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Wang Y, Zheng D, Wang K, Yang Q, Qian J, Zhou J, Liu SF, Yang D. Lattice Mismatch at the Heterojunction of Perovskite Solar Cells. Angew Chem Int Ed Engl 2024; 63:e202405878. [PMID: 38713005 DOI: 10.1002/anie.202405878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/06/2024] [Accepted: 05/07/2024] [Indexed: 05/08/2024]
Abstract
Lattice mismatch significantly influences microscopic transport in semiconducting devices, affecting interfacial charge behavior and device efficacy. This atomic-level disordering, often overlooked in previous research, is crucial for device efficiency and lifetime. Recent studies have highlighted emerging challenges related to lattice mismatch in perovskite solar cells, especially at heterojunctions, revealing issues like severe tensile stress, increased ion migration, and reduced carrier mobility. This review systematically discusses the effects of lattice mismatch on strain, material stability, and carrier dynamics. It also includes detailed characterizations of these phenomena and summarizes current strategies including epitaxial growth and buffer layer, as well as explores future solutions to mitigate mismatch-induced issues. We also provide the challenges and prospects for lattice mismatch, aiming to enhance the efficiency and stability of perovskite solar cells, and contribute to renewable energy technology advancements.
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Affiliation(s)
- Yong Wang
- Key Laboratory of Photoelectric Conversion and Utilization of Solar Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Dexu Zheng
- China National Nuclear Power Co., Ltd., Beijing, 100097, China
| | - Kai Wang
- Huanjiang Laboratory, School of Aeronautics and Astronautics, Zhejiang University, Hangzhou, 310027, China
| | - Qi Yang
- China National Nuclear Power Co., Ltd., Beijing, 100097, China
| | - Jin Qian
- Huanjiang Laboratory, School of Aeronautics and Astronautics, Zhejiang University, Hangzhou, 310027, China
| | - Jiaju Zhou
- China National Nuclear Power Co., Ltd., Beijing, 100097, China
| | - Shengzhong Frank Liu
- Key Laboratory of Photoelectric Conversion and Utilization of Solar Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Dong Yang
- Key Laboratory of Photoelectric Conversion and Utilization of Solar Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
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2
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Angela E, Nodari D, Furlan F, Panidi J, McLachlan MA, Gasparini N. Blending Self-Assembled Monolayers for Enhanced Band Alignment and Improved Morphology in p-i-n Perovskite Photodetectors. ACS APPLIED MATERIALS & INTERFACES 2024; 16:33838-33845. [PMID: 38961574 PMCID: PMC11231979 DOI: 10.1021/acsami.4c06447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 06/11/2024] [Accepted: 06/12/2024] [Indexed: 07/05/2024]
Abstract
Perovskite photodetectors, devices that convert light to electricity, require good extraction and low noise levels to maximize the signal-to-noise ratio. Self-assembling monolayers (SAMs) have been shown to be effective hole transport materials thanks to their atomic layer thickness, transparency, and energetic alignment with the valence band of the perovskite. While efforts are being made to reduce noise levels via the active layer, little has been done to reduce noise via SAM interfacial engineering. Herein, we report hybrid perovskite photodetectors with high detectivity by blending two different SAMs (2-PACz and Me-4PACz). We find that with a 1:1 2-PACz:Me-4PACz ratio (by weight), the devices achieved a low noise of 1 × 10-13 A Hz-1/2, a high responsivity of 0.41 A W-1 at 710 nm, and a specific detectivity of 6.4 × 1011 Jones at 710 nm at -0.5 V, outperforming its two counterparts. In addition to the improved noise levels in these devices, impedance spectroscopy revealed that higher recombination lifetimes of 0.85 μs were achieved for the 1:1 2-PACz:Me-4PACz-based photodetectors, confirming their low defect density.
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Affiliation(s)
- Edoardo Angela
- Department of Materials, Molecular Science Research Hub, Imperial College, London W12 0BZ, U.K
| | - Davide Nodari
- Department of Chemistry and Centre for Processable Electronics, Molecular Science Research Hub, Imperial College, London W12 0BZ, U.K
| | - Francesco Furlan
- Department of Chemistry and Centre for Processable Electronics, Molecular Science Research Hub, Imperial College, London W12 0BZ, U.K
| | - Julianna Panidi
- Department of Chemistry and Centre for Processable Electronics, Molecular Science Research Hub, Imperial College, London W12 0BZ, U.K
| | - Martyn A McLachlan
- Department of Materials, Molecular Science Research Hub, Imperial College, London W12 0BZ, U.K
| | - Nicola Gasparini
- Department of Chemistry and Centre for Processable Electronics, Molecular Science Research Hub, Imperial College, London W12 0BZ, U.K
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3
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Dong K, Yang G, Wang M, Bian J, Zhu L, Zhang F, Yu S, Liu S, Xiao JD, Guo X, Jiang X. Impact of Dipole Effect on Perovskite Solar Cells. CHEMSUSCHEM 2024; 17:e202301497. [PMID: 38446050 DOI: 10.1002/cssc.202301497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 01/23/2024] [Indexed: 03/07/2024]
Abstract
Interface modification and bulk doping are two major strategies to improve the photovoltaic performance of perovskite solar cells (PSCs). Dipolar molecules are highly favored due to their unique dipolarity. This review discusses the basic concepts and characteristics of dipoles. In addition, the role of dipoles in PSCs and the corresponding conventional characterization methods for dipoles are introduced. Then, we systematically summarize the latest progress in achieving efficient and stable PSCs in dipole materials at several key interfaces. Finally, we look forward to the future application directions of dipole molecules in PSCs, aiming at providing deep insight and inspiration for developing efficient and stable PSCs.
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Affiliation(s)
- Kaiwen Dong
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Guangyue Yang
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Minhuan Wang
- Key Laboratory of Materials Modification by Laser, Ion and Electron Beams (Ministry of Education), School of Physics, Dalian University of Technology, Dalian, 116024, China
| | - Jiming Bian
- Key Laboratory of Materials Modification by Laser, Ion and Electron Beams (Ministry of Education), School of Physics, Dalian University of Technology, Dalian, 116024, China
| | - Lina Zhu
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Fengshan Zhang
- Shandong Huatai Paper Co., LTD & Shandong Yellow Triangle Biotechnology Industry Research Institute Co., LTD, Dongying, 257335, China
| | - Shitao Yu
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Shiwei Liu
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Juan-Ding Xiao
- Institutes of Physical Science and Information Technology, Anhui Graphene Materials Research Center, Anhui University Hefei, Anhui, 230601, P. R. China
| | - Xin Guo
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Dalian, 116023, China
| | - Xiaoqing Jiang
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
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4
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Deng P, Dai W, Gou Y, Zhang W, Xiao Z, He S, Xie X, Zhang K, Li J, Wang X, Lin L. Improving Thermal Stability of High-Efficiency Methylammonium-Free Perovskite Solar Cells via Chloride Additive Engineering. ACS APPLIED MATERIALS & INTERFACES 2024; 16:29338-29346. [PMID: 38770998 DOI: 10.1021/acsami.4c01335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Tin dioxide (SnO2), in perovskite solar cells (PSCs), stands out as the material most suited to the electron transport layer (ETL), yielding advantages with regard to ease of preparation, high mobility, and favorable energy level alignment. Nonetheless, there is a chance that energy losses from defects in the SnO2 and interface will result in a reduction in the Voc. Consequently, optimizing the interfaces within solar cell devices is a key to augmenting both the efficiency and the stability of PSCs. Herein this present study, we introduced butylammonium chloride (BACl) into the SnO2 ETL. The resulting optimized SnO2 film mitigated interface defect density, thereby improving charge extraction. The robust bonding capability of negatively charged Cl- ions facilitated their binding with noncoordinated Sn4+ ions, effectively passivating defects associated with oxygen vacancies and enhancing charge transport within the SnO2 ETL. Concurrently, doped BA+ and Cl- diffused into the perovskite lattice, fostering perovskite grain growth and reducing the defects in perovskite. In comparison to the control device, the Voc saw a 70 mV increase, achieving a champion efficiency of 22.86%. Additionally, following 1000 h of ambient storage, the unencapsulated device based on SnO2 preburied with BACl retained around 90% of its initial photovoltaic conversion efficiency.
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Affiliation(s)
- Pan Deng
- Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062 China
| | - Weideren Dai
- Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062 China
| | - Yanzhuo Gou
- Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062 China
| | - Wei Zhang
- Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062 China
| | - Zichen Xiao
- Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062 China
| | - Shihao He
- Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062 China
| | - Xian Xie
- Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062 China
| | - Kai Zhang
- Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062 China
| | - Jinhua Li
- Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062 China
| | - Xianbao Wang
- Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062 China
| | - Liangyou Lin
- Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062 China
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5
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You W, Ma Z, Du Z, Chen Y, Yang J, Yang Q, Huang Z, Hou S, Li Y, Zhang Q, Du H, Li Y, Gou F, Lv Z, Yu H, Xiang Y, Huang C, Yu J, Mai Y, Jiang F. Slow-Release Effect Assisted Crystallization for Sequential Deposition Realizes Efficient Inverted Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2024; 16:28905-28916. [PMID: 38773780 DOI: 10.1021/acsami.4c05880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2024]
Abstract
The two-step sequential deposition strategy has been widely recognized in promoting the research and application of perovskite solar cells, but the rapid reaction of organic salts with lead iodide inevitably affects the growth of perovskite crystals, accompanied by the generation of more defects. In this study, the regulation of crystal growth was achieved in a two-step deposition method by mixing 1-naphthylmethylammonium bromide (NMABr) with organic salts. The results show that the addition of NMABr effectively delays the aggregation and crystallization behavior of organic salts; thereby, the growth of the optimal crystal (001) orientation of perovskite is promoted. Based on this phenomenon of delaying the crystallization process of perovskite, the "slow-release effect assisted crystallization" is defined. Moreover, the incorporation of the Br element expands the band gap of perovskite and mitigates material defects as nonradiative recombination centers. Consequently, the power conversion efficiency (PCE) of the enhanced perovskite solar cells (PSCs) reaches 20.20%. It is noteworthy that the hydrophobic nature of the naphthalene moiety in NMABr can enhance the humidity resistance of PSCs, and the perovskite phase does not decompose for more than 3000 h (30-40% RH), enabling it to retain 90% of its initial efficiency even after exposure to a nitrogen environment for 1200 h.
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Affiliation(s)
- Wei You
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Zhu Ma
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, PR China
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Zhuowei Du
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Yi Chen
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Junbo Yang
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Qiang Yang
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Zhangfeng Huang
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Shanyue Hou
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Yanlin Li
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Qian Zhang
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Hao Du
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Yixian Li
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Fuchun Gou
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Zhuo Lv
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Hong Yu
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Yan Xiang
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Cheng Huang
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Jian Yu
- School of New Energy and Materials Engineering, Southwest Petroleum University, Chengdu 610500, PR China
| | - Yaohua Mai
- Institute of New Energy Technology, College of Information Science and Technology, Jinan University, Guangzhou 510632, PR China
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6
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Wei H, Yang Q, Li G, Liu X, Huang J, Wang C, Li X, Cai G. InCl 3-Assisted Surface Defects Restoring to Enhance Lead-Free Cs 2ZrCl 6 Nanocrystals for X-Ray Imaging and Blue LED Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309926. [PMID: 38196153 DOI: 10.1002/smll.202309926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/09/2023] [Indexed: 01/11/2024]
Abstract
As one type of recent emerging lead-free perovskites, Cs2ZrCl6 nanocrystals are widely concerned, benefiting from the eminent designability, high X-ray cutoff efficiency, and favorable stability. Improving the luminescence performance of Cs2ZrCl6 nanocrystals has great importance to cater for practical applications. In view of the surface defects frequently formed by the liquid phase method, the particle morphology and surface quality of this material are expected to be regulated if certain intervention is made in the synthesis process. In the work, differing from normal cell lattice modulation based on the ion doping, the grain size and surface morphology of Cs2ZrCl6 nanocrystals are optimized via adding a certain amount of InCl3 to the synthetic solution. The surface defects are restored to inhibit the defect-induced non-radiative transition, resulting in the improvement of the luminescence properties. Moreover, a flexible Cs2ZrCl6@polydimethylsiloxane film with excellent heat, water, and bending resistance and a light-emitting diode (LED) device are fabricated, exhibiting excellent application potential for X-ray imaging and blue LED.
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Affiliation(s)
- Hanqi Wei
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, P. R. China
- Science Center for Phase Diagram & Materials Design and Manufacture, Central South University, Changsha, Hunan, 410083, P. R. China
| | - Qihua Yang
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, P. R. China
- Science Center for Phase Diagram & Materials Design and Manufacture, Central South University, Changsha, Hunan, 410083, P. R. China
| | - Guihua Li
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, P. R. China
- Science Center for Phase Diagram & Materials Design and Manufacture, Central South University, Changsha, Hunan, 410083, P. R. China
| | - Xuan Liu
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, P. R. China
- Science Center for Phase Diagram & Materials Design and Manufacture, Central South University, Changsha, Hunan, 410083, P. R. China
| | - Junben Huang
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, P. R. China
- Science Center for Phase Diagram & Materials Design and Manufacture, Central South University, Changsha, Hunan, 410083, P. R. China
| | - Chujie Wang
- Hangzhou TiRay Technology Co. Ltd., Hangzhou, 311112, P. R. China
| | - Xiaoming Li
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, P. R. China
| | - Gemei Cai
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, P. R. China
- Science Center for Phase Diagram & Materials Design and Manufacture, Central South University, Changsha, Hunan, 410083, P. R. China
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7
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Shi X, Liu T, Dou Y, Hu X, Liu Y, Wang F, Wang L, Ren Z, Chen S. Air-Processed Perovskite Solar Cells with >25% Efficiency and High Stability Enabled by Crystallization Modulation and Holistic Passivation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2402785. [PMID: 38777327 DOI: 10.1002/adma.202402785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 05/20/2024] [Indexed: 05/25/2024]
Abstract
Organic semiconductors (e.g., PCBM and IDIC) frequently serve as interface passivants for perovskite solar cells (PSCs) due to their beneficial passivation effects on perovskite interfaces. However, their passivation to the interiors of perovskite films is greatly limited by their poor solubility in polar solvents and compatibility issues. Here the facile synthesis of organic semiconductor nanoparticle (NP) passivants that readily disperse in perovskite inks is reported. Adding these NPs into perovskite inks not only modulates perovskite crystallization, improves film quality and conductivity, but also achieves holistic bulk film passivation. Consequently, blade-coated p-i-n PSCs with ICBA NPs achieve an impressive efficiency of 25.1% (independently certified as 25.0%), the highest reported value for air-processed PSCs irrespective of fabrication methods or device structures. This work develops a novel approach for effective and holistic perovskite passivation by converting conventional passivants to perovskite-compatible NPs, paving the way for more efficient and stable perovskite solar devices.
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Affiliation(s)
- Xiaoyu Shi
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 21003, P. R. China
| | - Tianxiao Liu
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 21003, P. R. China
| | - Yunjie Dou
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 21003, P. R. China
| | - Xiaodong Hu
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 21003, P. R. China
| | - Yangyang Liu
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 21003, P. R. China
| | - Feifei Wang
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 21003, P. R. China
| | - Lingyuan Wang
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 21003, P. R. China
| | - Zhijun Ren
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 21003, P. R. China
| | - Shangshang Chen
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 21003, P. R. China
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8
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Dong K, Zhu L, Yang G, Zheng L, Wang Y, Zhang B, Zhou J, Bian J, Zhang F, Yu S, Liu S, Wang M, Xiao JD, Guo X, Jiang X. Influence of F-Containing Materials on Perovskite Solar Cells. CHEMSUSCHEM 2024:e202400038. [PMID: 38771426 DOI: 10.1002/cssc.202400038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 04/21/2024] [Accepted: 05/21/2024] [Indexed: 05/22/2024]
Abstract
Perovskite solar cells (PSCs) are usually modified and passivated to improve their performance and stability. The interface modification and bulk doping are the two basic strategies. Fluorine (F)-containing materials are highly favored because of their unique hydrophobicity and coordination ability. This review discusses the basic characteristics of F, and the basic principles of improving the photovoltaic performance and stability of PSC devices using F-containing materials. We systematically summarized the latest progress in the application of F-containing materials to achieve efficient and stable PSCs on several key interface layers. It is believed that this work will afford significant understanding and inspirations toward the future application directions of F-containing materials in PSCs, and provide profound insights for the development of efficient and stable PSCs.
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Affiliation(s)
- Kaiwen Dong
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Lina Zhu
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Guangyue Yang
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Likai Zheng
- Laboratory of Photonics and Interfaces, École polytechnique fédérale de Lausanne, 1015, Lausanne, Switzerland
| | - Yuehui Wang
- College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Bingqian Zhang
- College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Jierui Zhou
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Jiming Bian
- Key Laboratory of Materials Modification by Laser, Ion and Electron Beams (Ministry of Education), School of Physics, Dalian University of Technology, Dalian, 116024, P. R. China
| | - Fengshan Zhang
- Shandong Huatai Paper Co., Ltd & Shandong Yellow Triangle Biotechnology Industry Research Institute Co., LTD, Dongying, 257335, P. R. China
| | - Shitao Yu
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Shiwei Liu
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Minhuan Wang
- Key Laboratory of Materials Modification by Laser, Ion and Electron Beams (Ministry of Education), School of Physics, Dalian University of Technology, Dalian, 116024, P. R. China
| | - Juan-Ding Xiao
- Anhui Graphene Carbon Fiber Materials Research Center, Institutes of Physical Science and Information Technology, Anhui University, Hefei, Anhui, 230601, P. R. China
| | - Xin Guo
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Dalian, 116023, P. R. China
| | - Xiaoqing Jiang
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
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9
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Hattori N, Manseki K, Hibi Y, Nagaya N, Yoshida N, Sugiura T, Vafaei S. Simultaneous Li-Doping and Formation of SnO 2-Based Composites with TiO 2: Applications for Perovskite Solar Cells. MATERIALS (BASEL, SWITZERLAND) 2024; 17:2339. [PMID: 38793406 PMCID: PMC11123386 DOI: 10.3390/ma17102339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 05/02/2024] [Accepted: 05/11/2024] [Indexed: 05/26/2024]
Abstract
Tin oxide (SnO2) has been recognized as one of the beneficial components in the electron transport layer (ETL) of lead-halide perovskite solar cells (PSCs) due to its high electron mobility. The SnO2-based thin film serves for electron extraction and transport in the device, induced by light absorption at the perovskite layer. The focus of this paper is on the heat treatment of a nanoaggregate layer of single-nanometer-scale SnO2 particles in combination with another metal-dopant precursor to develop a new process for ETL in PSCs. The combined precursor solution of Li chloride and titanium(IV) isopropoxide (TTIP) was deposited onto the SnO2 layer. We varied the heat treatment conditions of the spin-coated films comprising double layers, i.e., an Li/TTIP precursor layer and SnO2 nanoparticle layer, to understand the effects of nanoparticle interconnection via sintering and the mixing ratio of the Li-dopant on the photovoltaic performance. X-ray diffraction (XRD) and high-resolution transmission electron microscopy (HR-TEM) measurements of the sintered nanoparticles suggested that an Li-doped solid solution of SnO2 with a small amount of TiO2 nanoparticles formed via heating. Interestingly, the bandgap of the Li-doped ETL samples was estimated to be 3.45 eV, indicating a narrower bandgap as compared to that of pure SnO2. This observation also supported the formation of an SnO2/TiO2 solid solution in the ETL. The utilization of such a nanoparticulate SnO2 film in combination with an Li/TTIP precursor could offer a new approach as an alternative to conventional SnO2 electron transport layers for optimizing the performance of lead-halide perovskite solar cells.
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Affiliation(s)
- Nagisa Hattori
- Graduate School of Natural Science and Technology, Gifu University, Yanagido 1-1, Gifu 501-1193, Japan
| | - Kazuhiro Manseki
- Graduate School of Natural Science and Technology, Gifu University, Yanagido 1-1, Gifu 501-1193, Japan
| | - Yuto Hibi
- Graduate School of Natural Science and Technology, Gifu University, Yanagido 1-1, Gifu 501-1193, Japan
| | - Naohide Nagaya
- Graduate School of Natural Science and Technology, Gifu University, Yanagido 1-1, Gifu 501-1193, Japan
| | - Norimitsu Yoshida
- Graduate School of Natural Science and Technology, Gifu University, Yanagido 1-1, Gifu 501-1193, Japan
| | - Takashi Sugiura
- Graduate School of Natural Science and Technology, Gifu University, Yanagido 1-1, Gifu 501-1193, Japan
| | - Saeid Vafaei
- Mechanical Engineering Department, Bradley University, 1501 West Bradley Avenue, Peoria, IL 61625, USA
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10
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Guo M, Pang H, Chen X, Wan P, Xia X, Chen S. Synergy of Front-Surface Energy-Level Gradient and Lattice Anchoring Effect for Enhancing Perovskite Solar Cell Performance. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307498. [PMID: 38059807 DOI: 10.1002/smll.202307498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/17/2023] [Indexed: 12/08/2023]
Abstract
A front surface gradient of the absorber valence band can effectively reduce the open-circuit voltage (VOC) loss of perovskite solar cells by suppressing the minority carrier concentration near the front surface. However, the existing method is limited to the one-step fabrication process, resulting in underachieved photon harvesting and power conversion efficiency (PCE). To solve the problem, ZnCd-based alloy quantum dots (QDs) are utilized to create a valence-band-maximum gradient at the front surface of a two-step processed FAPbI3 absorber. This design significantly enhances VOC without requiring surface passivation. Furthermore, it is demonstrated that reducing the QD-perovskite lattice mismatch while maintaining QD's energy levels mitigates nonradiative recombination without compromising the front surface gradient effect. As a result, normal-structured perovskite solar cells achieve a VOC equivalent to 93% of the Schockley-Queisser limit and a PCE of 24.37%.
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Affiliation(s)
- Mingxuan Guo
- Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Huimin Pang
- Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Xingtong Chen
- Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Peng Wan
- Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Xueqing Xia
- Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Song Chen
- Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
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11
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Song F, Zheng D, Feng J, Liu J, Ye T, Li Z, Wang K, Liu SF, Yang D. Mechanical Durability and Flexibility in Perovskite Photovoltaics: Advancements and Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2312041. [PMID: 38219020 DOI: 10.1002/adma.202312041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/18/2023] [Indexed: 01/15/2024]
Abstract
The remarkable progress in perovskite solar cell (PSC) technology has witnessed a remarkable leap in efficiency within the past decade. As this technology continues to mature, flexible PSCs (F-PSCs) are emerging as pivotal components for a wide array of applications, spanning from powering portable electronics and wearable devices to integrating seamlessly into electronic textiles and large-scale industrial roofing. F-PSCs characterized by their lightweight, mechanical flexibility, and adaptability for cost-effective roll-to-roll manufacturing, hold immense commercial potential. However, the persistent concerns regarding the overall stability and mechanical robustness of these devices loom large. This comprehensive review delves into recent strides made in enhancing the mechanical stability of F-PSCs. It covers a spectrum of crucial aspects, encompassing perovskite material optimization, precise crystal grain regulation, film quality enhancement, strategic interface engineering, innovational developed flexible transparent electrodes, judicious substrate selection, and the integration of various functional layers. By collating and analyzing these dedicated research endeavors, this review illuminates the current landscape of progress in addressing the challenges surrounding mechanical stability. Furthermore, it provides valuable insights into the persistent obstacles and bottlenecks that demand attention and innovative solutions in the field of F-PSCs.
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Affiliation(s)
- Fei Song
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, China
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Dexu Zheng
- China National Nuclear Power Co., Ltd., Beijing, 100097, China
| | - Jiangshan Feng
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jishuang Liu
- China National Nuclear Power Co., Ltd., Beijing, 100097, China
| | - Tao Ye
- Ministry of Education Key Laboratory of Micro/Nano Systems for Aerospace, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Zhipeng Li
- China National Nuclear Power Co., Ltd., Beijing, 100097, China
| | - Kai Wang
- Huanjiang Laboratory, School of Aeronautics and Astronautics, Zhejiang University, Zhuji, 311800, China
| | - Shengzhong Frank Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, China
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Dong Yang
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
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12
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Li Y, Wang Y, Xu Z, Peng B, Li X. Key Roles of Interfaces in Inverted Metal-Halide Perovskite Solar Cells. ACS NANO 2024; 18:10688-10725. [PMID: 38600721 DOI: 10.1021/acsnano.3c11642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
Metal-halide perovskite solar cells (PSCs), an emerging technology for transforming solar energy into a clean source of electricity, have reached efficiency levels comparable to those of commercial silicon cells. Compared with other types of PSCs, inverted perovskite solar cells (IPSCs) have shown promise with regard to commercialization due to their facile fabrication and excellent optoelectronic properties. The interlayer interfaces play an important role in the performance of perovskite cells, not only affecting charge transfer and transport, but also acting as a barrier against oxygen and moisture permeation. Herein, we describe and summarize the last three years of studies that summarize the advantages of interface engineering-based advances for the commercialization of IPSCs. This review includes a brief introduction of the structure and working principle of IPSCs, and analyzes how interfaces affect the performance of IPSC devices from the perspective of photovoltaic performance and device lifetime. In addition, a comprehensive summary of various interface engineering approaches to solving these problems and challenges in IPSCs, including the use of interlayers, interface modification, defect passivation, and others, is summarized. Moreover, based upon current developments and breakthroughs, fundamental and engineering perspectives on future commercialization pathways are provided for the innovation and design of next-generation IPSCs.
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Affiliation(s)
- Yue Li
- Hubei Province Key Laboratory of Systems Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Yuhua Wang
- Hubei Province Key Laboratory of Systems Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Zichao Xu
- Hubei Province Key Laboratory of Systems Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Bo Peng
- Hubei Province Key Laboratory of Systems Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Xifei Li
- Key Materials & Components of Electrical Vehicles for Overseas Expertise Introduction Center for Discipline Innovation, Institute of Advanced Electrochemical Energy & School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, China
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
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13
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Zhu P, Chen C, Dai J, Zhang Y, Mao R, Chen S, Huang J, Zhu J. Toward the Commercialization of Perovskite Solar Modules. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307357. [PMID: 38214179 DOI: 10.1002/adma.202307357] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 12/23/2023] [Indexed: 01/13/2024]
Abstract
Perovskite (PVSK) photovoltaic (PV) devices are undergoing rapid development and have reached a certified power conversion efficiency (PCE) of 26.1% at the cell level. Tremendous efforts in material and device engineering have also increased moisture, heat, and light-related stability. Moreover, the solution-process nature makes the fabrication process of perovskite photovoltaic devices feasible and compatible with some mature high-volume manufacturing techniques. All these features render perovskite solar modules (PSMs) suitable for terawatt-scale energy production with a low levelized cost of electricity (LCOE). In this review, the current status of perovskite solar cells (PSCs) and modules and their potential applications are first introduced. Then critical challenges are identified in their commercialization and propose the corresponding solutions, including developing strategies to realize high-quality films over a large area to further improve power conversion efficiency and stability to meet the commercial demands. Finally, some potential development directions and issues requiring attention in the future, mainly focusing on further dealing with toxicity and recycling of the whole device, and the attainment of highly efficient perovskite-based tandem modules, which can reduce the environmental impact and accelerate the LCOE reduction are put forwarded.
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Affiliation(s)
- Pengchen Zhu
- National Laboratory of Solid State Microstructures, School of Sustainable Energy and Resources, Jiangsu Key Laboratory of Artificial Functional Materials, Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Jiangsu, 210023, P. R. China
| | - Chuanlu Chen
- National Laboratory of Solid State Microstructures, School of Sustainable Energy and Resources, Jiangsu Key Laboratory of Artificial Functional Materials, Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Jiangsu, 210023, P. R. China
| | - Jiaqi Dai
- National Laboratory of Solid State Microstructures, School of Sustainable Energy and Resources, Jiangsu Key Laboratory of Artificial Functional Materials, Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Jiangsu, 210023, P. R. China
| | - Yuzhen Zhang
- National Laboratory of Solid State Microstructures, School of Sustainable Energy and Resources, Jiangsu Key Laboratory of Artificial Functional Materials, Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Jiangsu, 210023, P. R. China
| | - Ruiqi Mao
- National Laboratory of Solid State Microstructures, School of Sustainable Energy and Resources, Jiangsu Key Laboratory of Artificial Functional Materials, Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Jiangsu, 210023, P. R. China
| | - Shangshang Chen
- State Key Laboratory of Coordination Chemistry, MOE Key Laboratory of High-Performance Polymer Materials & Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 210023, P. R. China
| | - Jinsong Huang
- Department of Applied Physical Sciences, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Jia Zhu
- National Laboratory of Solid State Microstructures, School of Sustainable Energy and Resources, Jiangsu Key Laboratory of Artificial Functional Materials, Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Jiangsu, 210023, P. R. China
- College of Engineering and Applied Sciences, Nanjing University, Nanjing, Jiangsu, 210023, P. R. China
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14
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Cheng P, An Y, Jen AKY, Lei D. New Nanophotonics Approaches for Enhancing the Efficiency and Stability of Perovskite Solar Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2309459. [PMID: 37878233 DOI: 10.1002/adma.202309459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 10/13/2023] [Indexed: 10/26/2023]
Abstract
Over the past decade, the power conversion efficiency (PCE) of perovskite solar cells (PSCs) has experienced a remarkable ascent, soaring from 3.8% in 2009 to a remarkable record of 26.1% in 2023. Many recent approaches for improving PSC performance employ nanophotonic technologies, from light harvesting and thermal management to the manipulation of charge carrier dynamics. Plasmonic nanoparticles and arrayed dielectric nanostructures have been applied to tailor the light absorption, scattering, and conversion, as well as the heat dissipation within PSCs to improve their PCE and operational stability. In this review, it is begin with a concise introduction to define the realm of nanophotonics by focusing on the nanoscale interactions between light and surface plasmons or dielectric photonic structures. Prevailing strategies that utilize resonance-enhanced light-matter interactions for boosting the PCE and stability of PSCs from light trapping, carrier transportation, and thermal management perspectives are then elaborated, and the resultant practical applications, such as semitransparent photovoltaics, colored PSCs, and smart perovskite windows are discussed. Finally, the state-of-the-art nanophotonic paradigms in PSCs are reviewed, and the benefits of these approaches in improving the aesthetic effects and energy-saving character of PSC-integrated buildings are highlighted.
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Affiliation(s)
- Pengfei Cheng
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
- The Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
| | - Yidan An
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
- The Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
| | - Alex K-Y Jen
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
- The Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
| | - Dangyuan Lei
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
- The Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Centre, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, 999077, China
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15
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Ghasemi M, Wei Q, Lu J, Yang Y, Hou J, Jia B, Wen X. Can thick metal-halide perovskite single crystals have narrower optical bandgaps with near-infrared absorption? Phys Chem Chem Phys 2024; 26:9137-9148. [PMID: 38456202 DOI: 10.1039/d4cp00034j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
Metal-halide perovskite (MHP) single crystals are emerging as potential competitors to their polycrystalline thin-film counterparts. These materials have shown the specific feature of extended absorbance towards the near-infrared (NIR) region, which promises further extension of their applications in the field of photovoltaics and photodetectors. This notable expansion of absorbance has been explained by the narrower effective optical bandgap of MHP single crystals promoted by their large thickness over several micrometres to millimetres. Herein, the attributes of the material's thickness and the measurement technique used to estimate these characteristics are discussed to elucidate the actual origins of the extended absorbance of MHP single crystals. Contrary to the general belief of the narrower bandgap of the MHP single crystals, we demonstrate that the extended NIR absorption in the MHP single crystals mainly originates from the combination of unique below-bandgap absorption of MHPs, the thickness of single crystals, and the technical limitation of the spectrophotometer, with the key attributes of (i) significantly large thickness of the MHP single crystals by suppressing the transmitted light and (ii) the detector's limited dynamic range. Combining the theoretical and experimental characterizations, we clarify the significant role of the large thickness together with the limited sensitivity of the detector in promoting the well-known red shift of the absorption onset of the MHP single crystals. The observations evidently show that in some special circumstances, the acquired absorption spectrum cannot reliably represent the optical bandgap of MHP materials. This highlights some misinterpretations in the estimation of the narrower optical bandgap of the MHP single crystals from conventional optical methods, while the optical bandgap is an inherent property independent of the thickness. The proposed broad applications of the MHP single crystals are dictated by their fascinating properties, and therefore, a deep insight into these features should be considered besides device applications, because much of their property-function relationships are still ambiguous and a subject of debate.
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Affiliation(s)
- Mehri Ghasemi
- School of Science, RMIT University, Melbourne 3000, Australia.
| | - Qianwen Wei
- National Center for International Research on Photoelectric and Energy Materials, School of Materials and Energy, Yunnan University, Kunming 650091, China
| | - Junlin Lu
- School of Science, RMIT University, Melbourne 3000, Australia.
| | - Yu Yang
- National Center for International Research on Photoelectric and Energy Materials, School of Materials and Energy, Yunnan University, Kunming 650091, China
| | - Jingwei Hou
- School of Chemical Engineering, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Baohua Jia
- School of Science, RMIT University, Melbourne 3000, Australia.
| | - Xiaoming Wen
- School of Science, RMIT University, Melbourne 3000, Australia.
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16
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Lee HJ, Kang YJ, Kwon SN, Kim DH, Na SI. Enhancing the Stability and Efficiency of Inverted Perovskite Solar Cells with a Mixed Ammonium Ligands Passivation Strategy. SMALL METHODS 2024; 8:e2300948. [PMID: 38009733 DOI: 10.1002/smtd.202300948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/03/2023] [Indexed: 11/29/2023]
Abstract
The perovskite solar cell (PSC), which has achieved efficiencies of more than 26%, is expected to be a promising technology that can alternate silicon-based solar cells. However, the performance of PSCs is still limited due to defects and ion migration that occur at the large number of grain boundaries present in perovskite thin films. In this study, the mixed ammonium ligands passivation strategy (MAPS) is demonstrated, which combines n-octylammonium iodide (OAI) and 1,3-diaminopropane (DAP) can effectively suppress the grain boundary defects and ion migration through grain boundaries by the synergistic effect of OAI and DAP, resulting in improved efficiency and stability of PSCs. It has also been revealed that MAPS not only enhances crystallinity and reduces grain boundaries but also improves charge transport while suppressing charge recombination. The MAPS-based opaque PSC shows the best power conversion efficiency (PCE) of 21.29% with improved open-circuit voltage (VOC ) and fill factor (FF), and retained 84% of its initial PCE after 1900 h at 65 °C in N2 atmosphere. Amazingly, the MAPS-based semi-transparent PSC (STP-PSC) retained 94% of their maximum power (21.00% at around 10% AVT) after 1000 h under 1 sun illumination and MAPS-based perovskite submodule (PSM) achieved a PCE of 19.59%, which is among the highest values reported recently.
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Affiliation(s)
- Hyun-Jung Lee
- Professional Graduate School of Flexible and Printable Electronics and LANL-JBNU Engineering Institute Korea, Jeonbuk National University, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
| | - Yu-Jin Kang
- New & Renewable Energy Laboratory, KEPCO Research Institute, Daejeon, 34056, Republic of Korea
| | - Sung-Nam Kwon
- Professional Graduate School of Flexible and Printable Electronics and LANL-JBNU Engineering Institute Korea, Jeonbuk National University, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
| | - Do-Hyung Kim
- New & Renewable Energy Laboratory, KEPCO Research Institute, Daejeon, 34056, Republic of Korea
| | - Seok-In Na
- Professional Graduate School of Flexible and Printable Electronics and LANL-JBNU Engineering Institute Korea, Jeonbuk National University, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
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17
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Hoang MT, Yang Y, Chiu WH, Yu Y, Pham ND, Moonie P, Koplick A, Tulloch G, Martens W, Wang H. Unraveling the Mechanism of Alkali Metal Fluoride Post-Treatment of SnO 2 for Efficient Planar Perovskite Solar Cells. SMALL METHODS 2024; 8:e2300431. [PMID: 37349857 DOI: 10.1002/smtd.202300431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/31/2023] [Indexed: 06/24/2023]
Abstract
The facile synthesis and beneficial properties of tin oxide have driven the development of efficient planar perovskite solar cells (PSCs). To increase the PSC performance, alkali salts are used to treat the SnO2 surface to minimize the defect states. However, the underlying mechanism of alkali cations' role in the PSCs needs further exploration. Herein the effect of alkali fluoride salts (KF, RbF, and CsF) on the properties of SnO2 and PSC performance is investigated. The results show different alkali have significant roles depending on their nature. Larger cations Cs+ preferably locate at the SnO2 film surface to passivate surface defects and enhance conductivity, while smaller cations like Rb+ or K+ cations tend to diffuse into the perovskite layer to reduce trap density of the material. The former effect leads to enhanced fill factor while the latter effect increases the open circuit voltage of the device. It is then demonstrated that a dual cation post-treatment of the SnO2 layer with RbF and CsF achieves PSC with a significantly higher power conversion efficiency (PCE) of 21.66% compared to pristine PSC with a PCE of 19.71%. This highlights the significance of defect engineering of SnO2 using selective multiple alkali treatment to improve PSC performance.
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Affiliation(s)
- Minh Tam Hoang
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology, Brisbane, QLD, 4001, Australia
- Centre for Materials Science, Queensland University of Technology, Brisbane, QLD, 4000, Australia
| | - Yang Yang
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology, Brisbane, QLD, 4001, Australia
- Centre for Materials Science, Queensland University of Technology, Brisbane, QLD, 4000, Australia
| | - Wei Hsun Chiu
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology, Brisbane, QLD, 4001, Australia
- Centre for Materials Science, Queensland University of Technology, Brisbane, QLD, 4000, Australia
| | - Yongyue Yu
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology, Brisbane, QLD, 4001, Australia
- Centre for Materials Science, Queensland University of Technology, Brisbane, QLD, 4000, Australia
| | | | - Paul Moonie
- Greatcell Australia, Bomen, NSW, 2650, Australia
| | | | | | - Wayde Martens
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology, Brisbane, QLD, 4001, Australia
- Centre for Materials Science, Queensland University of Technology, Brisbane, QLD, 4000, Australia
| | - Hongxia Wang
- School of Chemistry and Physics, Faculty of Science, Queensland University of Technology, Brisbane, QLD, 4001, Australia
- Centre for Materials Science, Queensland University of Technology, Brisbane, QLD, 4000, Australia
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18
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Li X, Yu W, Hou T, Yang X, Wang X, Jiang G, Fu Z, Chen K, Li Y, Yang C, Sun X, Zhang M. Selective grain boundary passivation by ammonium nitrate for enhanced performance and stability of FA-Cs based perovskite solar cells. Chem Commun (Camb) 2024; 60:1460-1463. [PMID: 38223975 DOI: 10.1039/d3cc05504c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
Grain boundaries of metal halide perovskites contain massive defects that are detrimental to photovoltaics applications. This work demonstrates that inorganic NH4NO3 can selectively passivate the grain boundaries of perovskite films and improve their moisture resistance simultaneously, resulting in enhanced performance and stability of the methylammonium-free perovskite solar cells.
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Affiliation(s)
- Xiaoshan Li
- School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, 610500, China.
| | - Wenjing Yu
- School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, 610500, China.
- Sichuan Shale Gas Project Management Department, CNPC Bohai Drilling Engineering Co. Ltd., Chengdu 610057, China
| | - Tian Hou
- School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, 610500, China.
| | - Xin Yang
- School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, 610500, China.
| | - Xin Wang
- School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, 610500, China.
| | - Guangmian Jiang
- School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, 610500, China.
| | - Zhipeng Fu
- School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, 610500, China.
| | - Kaipeng Chen
- School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, 610500, China.
| | - Yanlin Li
- School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, 610500, China.
| | - Chengbin Yang
- School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, 610500, China.
| | - Xiaoran Sun
- School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, 610500, China.
| | - Meng Zhang
- School of New Energy and Materials, Southwest Petroleum University (SWPU), Chengdu, 610500, China.
- The Australian Centre for Advanced Photovoltaics, School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, Sydney, NSW 2052, Australia.
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19
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Wu H, Hou Y, Yoon J, Knoepfel AM, Zheng L, Yang D, Wang K, Qian J, Priya S, Wang K. Down-selection of biomolecules to assemble "reverse micelle" with perovskites. Nat Commun 2024; 15:772. [PMID: 38278790 PMCID: PMC10817902 DOI: 10.1038/s41467-024-44881-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 01/08/2024] [Indexed: 01/28/2024] Open
Abstract
Biological molecule-semiconductor interfacing has triggered numerous opportunities in applied physics such as bio-assisted data storage and computation, brain-computer interface, and advanced distributed bio-sensing. The introduction of electronics into biological embodiment is being quickly developed as it has great potential in providing adaptivity and improving functionality. Reciprocally, introducing biomaterials into semiconductors to manifest bio-mimetic functionality is impactful in triggering new enhanced mechanisms. In this study, we utilize the vulnerable perovskite semiconductors as a platform to understand if certain types of biomolecules can regulate the lattice and endow a unique mechanism for stabilizing the metastable perovskite lattice. Three tiers of biomolecules have been systematically tested and the results reveal a fundamental mechanism for the formation of a "reverse-micelle" structure. Systematic exploration of a large set of biomolecules led to the discovery of guiding principle for down-selection of biomolecules which extends the classic emulsion theory to this hybrid systems. Results demonstrate that by introducing biomaterials into semiconductors, natural phenomena typically observed in biological systems can also be incorporated into semiconducting crystals, providing a new perspective to engineer existing synthetic materials.
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Affiliation(s)
- Haodong Wu
- Department of Materials Science and Engineering, Pennsylvania State University, University Park, PA, 16802, USA
| | - Yuchen Hou
- Department of Materials Science and Engineering, Pennsylvania State University, University Park, PA, 16802, USA
| | - Jungjin Yoon
- Department of Materials Science and Engineering, Pennsylvania State University, University Park, PA, 16802, USA
- Materials Research Institute, Pennsylvania State University, University Park, PA, 16802, USA
| | - Abbey Marie Knoepfel
- Department of Materials Science and Engineering, Pennsylvania State University, University Park, PA, 16802, USA
| | - Luyao Zheng
- Department of Materials Science and Engineering, Pennsylvania State University, University Park, PA, 16802, USA
| | - Dong Yang
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Dalian, 116023, China
| | - Ke Wang
- Materials Research Institute, Pennsylvania State University, University Park, PA, 16802, USA
| | - Jin Qian
- Huanjiang Laboratory, Zhuji, 311800, China
- School of Aeronautics and Astronautics, Zhejiang University, Hangzhou, 310027, China
| | - Shashank Priya
- Department of Materials Science and Engineering, Pennsylvania State University, University Park, PA, 16802, USA.
- Materials Research Institute, Pennsylvania State University, University Park, PA, 16802, USA.
| | - Kai Wang
- Department of Materials Science and Engineering, Pennsylvania State University, University Park, PA, 16802, USA.
- Materials Research Institute, Pennsylvania State University, University Park, PA, 16802, USA.
- Huanjiang Laboratory, Zhuji, 311800, China.
- School of Aeronautics and Astronautics, Zhejiang University, Hangzhou, 310027, China.
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20
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Aydin E, Allen TG, De Bastiani M, Razzaq A, Xu L, Ugur E, Liu J, De Wolf S. Pathways toward commercial perovskite/silicon tandem photovoltaics. Science 2024; 383:eadh3849. [PMID: 38207044 DOI: 10.1126/science.adh3849] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 12/01/2023] [Indexed: 01/13/2024]
Abstract
Perovskite/silicon tandem solar cells offer a promising route to increase the power conversion efficiency of crystalline silicon (c-Si) solar cells beyond the theoretical single-junction limitations at an affordable cost. In the past decade, progress has been made toward the fabrication of highly efficient laboratory-scale tandems through a range of vacuum- and solution-based perovskite processing technologies onto various types of c-Si bottom cells. However, to become a commercial reality, the transition from laboratory to industrial fabrication will require appropriate, scalable input materials and manufacturing processes. In addition, perovskite/silicon tandem research needs to increasingly focus on stability, reliability, throughput of cell production and characterization, cell-to-module integration, and accurate field-performance prediction and evaluation. This Review discusses these aspects in view of contemporary solar cell manufacturing, offers insights into the possible pathways toward commercial perovskite/silicon tandem photovoltaics, and highlights research opportunities to realize this goal.
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Affiliation(s)
- Erkan Aydin
- KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Thomas G Allen
- KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Michele De Bastiani
- KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Arsalan Razzaq
- KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Lujia Xu
- KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Esma Ugur
- KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Jiang Liu
- KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Stefaan De Wolf
- KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
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21
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Li K, Zhang C, Zhao M, Ren J, Li S, Hao Y. Perovskite Crystallization Regulation via Antimonene Quantum Sheets for Highly Efficient and Stable Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2024; 16:655-668. [PMID: 38134003 DOI: 10.1021/acsami.3c14530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2023]
Abstract
The two-step deposition method offers significant advantages in the production of high-performance planar perovskite solar cells (PSCs). Nevertheless, there are still numerous challenges in regulating perovskite crystallization during the two-step process. In this work, two-dimensional (2D) material antimonene quantum sheets (AMQSs) as an additive are introduced to regulate the crystallization process of perovskite. As a result, perovskite films with high crystalline quality and vertical growth orientation are obtained by AMQSs providing heterogeneous nucleation sites with the penetration of a mixture solution of AMQSs and FAI into the PbI2 layer. Also, the influence mechanism of AMQSs on the crystallization of perovskite film is analyzed in details. At the same time, due to the chemical interaction between antimonene and the uncoordinated Pb2+, the defects in the perovskite are efficiently passivated. In addition, the energy level at the perovskite/SnO2 interface becomes more matched, leading to improved charge transport and extraction with the incorporation of AMQSs. Benefiting from the versatile AMQSs, the power conversion efficiency (PCE) of PSCs made by PbI2 + FAI:AMQSs is improved from 20.65 to 22.31% with the vastly enhanced Jsc and Voc. The ambient and operational stability of the unencapsulated PSCs fabricated using the PbI2 + FAI:AMQSs method were significantly improved, retaining 80% of the original PCE after being stored in a dark environment at a relative humidity of 30-40% for 18 days and 83% of the original PCE following continuous AM 1.5G illumination for 200 h.
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Affiliation(s)
- Kangning Li
- College of Electronic Information and Optical Engineering, Key Lab of Advanced Transducers and Intelligent Control System, Taiyuan University of Technology, Taiyuan 030024, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030000, China
| | - Chenxi Zhang
- College of Electronic Information and Optical Engineering, Key Lab of Advanced Transducers and Intelligent Control System, Taiyuan University of Technology, Taiyuan 030024, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030000, China
| | - Min Zhao
- Key Laboratory of Interface Science and Engineering in Advanced Materials, Taiyuan University of Technology, Taiyuan 030024, China
| | - Jingkun Ren
- College of Electronic Information and Optical Engineering, Key Lab of Advanced Transducers and Intelligent Control System, Taiyuan University of Technology, Taiyuan 030024, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030000, China
| | - Shiqi Li
- College of Electronic Information and Optical Engineering, Key Lab of Advanced Transducers and Intelligent Control System, Taiyuan University of Technology, Taiyuan 030024, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030000, China
| | - Yuying Hao
- College of Electronic Information and Optical Engineering, Key Lab of Advanced Transducers and Intelligent Control System, Taiyuan University of Technology, Taiyuan 030024, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030000, China
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22
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Ma Z, Dong Y, Wang R, Xu Z, Li M, Tan Z. Transparent Recombination Electrode with Dual-Functional Transport and Protective Layer for Efficient and Stable Monolithic Perovskite/Organic Tandem Solar Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2307502. [PMID: 37755234 DOI: 10.1002/adma.202307502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/16/2023] [Indexed: 09/28/2023]
Abstract
Rational selection and design of recombination electrodes (RCEs) are crucial to enhancing the power conversion efficiency (PCE) and stability of monolithic tandem solar cells (TSCs). Sputtered indium tin oxide (ITO) with high conductivity and excellent transmittance is introduced as RCE in perovskite/organic TSCs. To prevent high-energy ITO particles destroy the underlying material during sputtering, dual-functional transport and protective layer (C1) is employed. The styryl group in C1 can be thermally crosslinked to serve as a sputtering protective layer. Meanwhile, the conjugated phenanthroline skeleton in C1 shows high electron mobility and hole blocking capability to promote the electron transport process at the interfaces and effectively reduce charge accumulation. Monolithic perovskite/organic TSC with high PCE of 24.07% and excellent stability is demonstrated by stacking a 1.77 eV bandgap perovskite layer and a 1.35 eV bandgap organic active layer. This strategy provides new insights for overcoming the fundamental efficiency limits of single-junction devices and promotes the further development of TSC devices.
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Affiliation(s)
- Zongwen Ma
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yiman Dong
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Ruyue Wang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zhiyang Xu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Minghua Li
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zhan'ao Tan
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
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23
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Liu X, Hu Q, Peng Y, Peng X, Zhao W, Li H, Wang H, Zhang X, Lei Y. Multifunctional Polymer Restraint of the Agglomeration of SnO 2 Nanocrystals for Efficient and Stable Planar Perovskite Solar Cells. J Phys Chem Lett 2023; 14:9433-9440. [PMID: 37824679 DOI: 10.1021/acs.jpclett.3c01957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Abstract
The aggregation of SnO2 nanocrystals due to van der Waals interactions is not conducive to the realization of a compact and pinhole-free electron transport layer (ETL). Herein, we have utilized potassium alginate (PA) to self-assemble SnO2 nanocrystals, forming a PA-SnO2 ETL for perovskite solar cells (PSCs). Through density functional theory (DFT) calculations, PA can be effectively absorbed onto the surface of SnO2. This inhibits the agglomeration of SnO2 nanocrystals in solution, forming a smoother pinhole-free film. This also changes the surface contact potential (CPD) of the SnO2 film, which leads to a reduction in the energy barrier between the ETL and the perovskite layers, promotes effective charge transfer, and reduces trap density. Consequently, the power conversion efficiency (PCE) of PSCs with a PA-SnO2 ETL increased from 19.24% to 22.16%, and the short-circuit current (JSC) was enhanced from 23.52 to 25.21 mA cm-2. Furthermore, the PA-modified unpackaged device demonstrates better humidity stability compared to the original device.
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Affiliation(s)
- Xingchong Liu
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Qinghao Hu
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Yongshan Peng
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Xian Peng
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Weikang Zhao
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Haimin Li
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Hanyu Wang
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Xiaoyan Zhang
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Yue Lei
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
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24
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Vasilopoulou M, Mohd Yusoff ARB, Nazeeruddin MK. Perovskite Materials and Perovskite Solar Cells. PRINTABLE MESOSCOPIC PEROVSKITE SOLAR CELLS 2023:137-165. [DOI: 10.1002/9783527834297.ch6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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25
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Tan Q, Li Z, Luo G, Zhang X, Che B, Chen G, Gao H, He D, Ma G, Wang J, Xiu J, Yi H, Chen T, He Z. Inverted perovskite solar cells using dimethylacridine-based dopants. Nature 2023; 620:545-551. [PMID: 37224876 DOI: 10.1038/s41586-023-06207-0] [Citation(s) in RCA: 49] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 05/12/2023] [Indexed: 05/26/2023]
Abstract
Doping of perovskite semiconductors1 and passivation of their grain boundaries2 remain challenging but essential for advancing high-efficiency perovskite solar cells. Particularly, it is crucial to build perovskite/indium tin oxide (ITO) Schottky contact based inverted devices without predepositing a layer of hole-transport material3-5. Here we report a dimethylacridine-based molecular doping process used to construct a well-matched p-perovskite/ITO contact, along with all-round passivation of grain boundaries, achieving a certified power conversion efficiency (PCE) of 25.39%. The molecules are shown to be extruded from the precursor solution to the grain boundaries and the bottom of the film surface in the chlorobenzene-quenched crystallization process, which we call a molecule-extrusion process. The core coordination complex between the deprotonated phosphonic acid group of the molecule and lead polyiodide of perovskite is responsible for both mechanical absorption and electronic charge transfer, and leads to p-type doping of the perovskite film. We created an efficient device with a PCE of 25.86% (reverse scan) and that maintained 96.6% of initial PCE after 1,000 h of light soaking.
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Affiliation(s)
- Qin Tan
- Department of Materials Science and Engineering, Institute of Innovative Materials, Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation, Southern University of Science and Technology, Shenzhen, China
| | - Zhaoning Li
- Department of Materials Science and Engineering, Institute of Innovative Materials, Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation, Southern University of Science and Technology, Shenzhen, China
| | - Guangfu Luo
- Department of Materials Science and Engineering, Institute of Innovative Materials, Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation, Southern University of Science and Technology, Shenzhen, China
| | - Xusheng Zhang
- Department of Materials Science and Engineering, Institute of Innovative Materials, Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation, Southern University of Science and Technology, Shenzhen, China
| | - Bo Che
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, China
| | - Guocong Chen
- Department of Materials Science and Engineering, Institute of Innovative Materials, Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation, Southern University of Science and Technology, Shenzhen, China
| | - Han Gao
- Department of Materials Science and Engineering, Institute of Innovative Materials, Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation, Southern University of Science and Technology, Shenzhen, China
| | - Dong He
- Department of Materials Science and Engineering, Institute of Innovative Materials, Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation, Southern University of Science and Technology, Shenzhen, China
| | - Guoqiang Ma
- Department of Materials Science and Engineering, Institute of Innovative Materials, Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation, Southern University of Science and Technology, Shenzhen, China
| | - Jiafeng Wang
- Department of Materials Science and Engineering, Institute of Innovative Materials, Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation, Southern University of Science and Technology, Shenzhen, China
| | - Jingwei Xiu
- Department of Materials Science and Engineering, Institute of Innovative Materials, Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation, Southern University of Science and Technology, Shenzhen, China
| | - Huqiang Yi
- Department of Materials Science and Engineering, Institute of Innovative Materials, Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation, Southern University of Science and Technology, Shenzhen, China
| | - Tao Chen
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, China
| | - Zhubing He
- Department of Materials Science and Engineering, Institute of Innovative Materials, Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation, Southern University of Science and Technology, Shenzhen, China.
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26
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Tian C, Sun A, Liang J, Zhang Z, Zheng Y, Wu X, Liu Y, Tang C, Chen CC. Inhibiting Interfacial Diffusion in Heterojunction Perovskite Solar Cells by Replacing Low-Dimensional Perovskite with Uniformly Anchored Quaternized Polystyrene. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301091. [PMID: 37069780 DOI: 10.1002/smll.202301091] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/14/2023] [Indexed: 06/19/2023]
Abstract
Surface heterojunction has been regarded as an effective method to improve the device efficiency of perovskite solar cells. Nevertheless, the durability of different heterojunction under thermal stress is rarely investigated and compared. In this work, benzylammonium chloride and benzyltrimethylammonium chloride are utilized to construct 3D/2D and 3D/1D heterojunctions, respectively. A quaternized polystyrene is synthesized to construct a three-dimensional perovskite/amorphous ionic polymer (3D/AIP) heterojunction. Due to the migration and volatility of organic cations, severe interfacial diffusion is found among 3D/2D and 3D/1D heterojunctions, in which the quaternary ammonium cations in the 1D structure are less volatile and mobile than the primary ammonium cations in the 2D structure. 3D/AIP heterojunction remains intact under thermal stress due to the strong ionic bond anchoring at the interface and the ultra-high molecular weight of AIP. Furthermore, the dipole layer formed by AIP can further reduce the voltage loss caused by nonradiative recombination at the interface by 0.088 V. Therefore, the devices based on the 3D/AIP heterojunction achieve a champion power conversion efficiency of 24.27% and maintain 90% of its initial efficiency after either thermal aging for 400 h or wet aging for 3000 h, showing a great promise for polymer/perovskite heterojunction towards real applications.
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Affiliation(s)
- Congcong Tian
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, P. R. China
| | - Anxin Sun
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, P. R. China
| | - Jianghu Liang
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, P. R. China
| | - Zhanfei Zhang
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, P. R. China
| | - Yiting Zheng
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, P. R. China
| | - Xueyun Wu
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, P. R. China
| | - Yuan Liu
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, P. R. China
| | - Chen Tang
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, P. R. China
| | - Chun-Chao Chen
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, P. R. China
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27
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Romero-Pérez C, Delgado NF, Herrera-Collado M, Calvo ME, Míguez H. Ultrapure Green High Photoluminescence Quantum Yield from FAPbBr 3 Nanocrystals Embedded in Transparent Porous Films. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2023; 35:5541-5549. [PMID: 37528839 PMCID: PMC10389805 DOI: 10.1021/acs.chemmater.3c00934] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/19/2023] [Indexed: 08/03/2023]
Abstract
Achieving highly transparent and emissive films based on perovskite quantum dots (PQDs) is a challenging task since their photoluminescence quantum yield (PLQY) typically drops abruptly when they are used as building blocks to make a solid. In this work, we obtain highly transparent films containing FAPbBr3 quantum dots that display a narrow green emission (λ = 530 nm, full width at half-maximum (FWHM) = 23 nm) with a PLQY as high as 86%. The method employed makes use of porous matrices that act as arrays of nanoreactors to synthesize the targeted quantum dots within their void space, providing both a means to keep them dispersed and a protective environment. Further infiltration with poly(methyl methacrylate) (PMMA) increases the mechanical and chemical stability of the ensemble and serves to passivate surface defects, boosting the emission of the embedded PQD and significantly reducing the width of the emission peak, which fulfills the requirements established by the Commission Internationale de l'Éclairage (CIE) to be considered an ultrapure green emitter. The versatility of this approach is demonstrated by fabricating a color-converting layer that can be easily transferred onto a light-emitting device surface to modify the spectral properties of the outgoing radiation.
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Affiliation(s)
- Carlos Romero-Pérez
- Instituto
de Ciencias de Materiales de Sevilla (Consejo Superior de Investigaciones
Científicas-Universidad de Sevilla), C/Américo Vespucio, 49, Sevilla 41092, Spain
| | - Natalia Fernández Delgado
- Department
of Material Science, Metallurgical Engineering and Inorganic Chemistry
IMEYMAT, Facultad de Ciencias (Universidad
de Cádiz), Campus Río San Pedro, s/n, Puerto Real, Cádiz 11510, Spain
| | - Miriam Herrera-Collado
- Department
of Material Science, Metallurgical Engineering and Inorganic Chemistry
IMEYMAT, Facultad de Ciencias (Universidad
de Cádiz), Campus Río San Pedro, s/n, Puerto Real, Cádiz 11510, Spain
| | - Mauricio E. Calvo
- Instituto
de Ciencias de Materiales de Sevilla (Consejo Superior de Investigaciones
Científicas-Universidad de Sevilla), C/Américo Vespucio, 49, Sevilla 41092, Spain
| | - Hernán Míguez
- Instituto
de Ciencias de Materiales de Sevilla (Consejo Superior de Investigaciones
Científicas-Universidad de Sevilla), C/Américo Vespucio, 49, Sevilla 41092, Spain
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28
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Naito T, Takagi M, Tachikawa M, Yamashita K, Shimazaki T. Theoretical Study of the Molecular Passivation Effect of Lewis Base/Acid on Lead-Free Tin Perovskite Surface Defects. J Phys Chem Lett 2023:6695-6701. [PMID: 37466615 DOI: 10.1021/acs.jpclett.3c01450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Extensive research has been recently conducted to improve the power conversion efficiency (PCE) of perovskite solar cells. However, the charge carriers are easily trapped by the defect sites located at the interface between the perovskite layer and the electrode, which decreases the PCE. To reduce such defect sites, the passivation technique is frequently employed to coat small molecules on the perovskite surface during the manufacturing process. To clarify the passivation mechanism from a molecular viewpoint, we performed density functional theory calculations to target Pb-free Sn perovskites (CH3NH3SnI3). We investigated the passivation effect of Lewis base/acid molecules, such as ethylene diamine (EDA) and iodopentafluorobenzene (IPFB), and discussed behaviors of the defect levels within the bandgap as they have strong negative impacts on the PCE. The adsorption of EDA/IPFB on the Sn perovskite surface can remove the defect levels from the bandgap. Furthermore, we discuss the importance of interactions with molecular orbitals.
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Affiliation(s)
- Takumi Naito
- Quantum Chemistry Division, Yokohama City University, Seto 22-2, Kanazawa-Ku, Yokohama 236-0027, Kanagawa, Japan
| | - Makito Takagi
- Quantum Chemistry Division, Yokohama City University, Seto 22-2, Kanazawa-Ku, Yokohama 236-0027, Kanagawa, Japan
| | - Masanori Tachikawa
- Quantum Chemistry Division, Yokohama City University, Seto 22-2, Kanazawa-Ku, Yokohama 236-0027, Kanagawa, Japan
| | - Koichi Yamashita
- Quantum Chemistry Division, Yokohama City University, Seto 22-2, Kanazawa-Ku, Yokohama 236-0027, Kanagawa, Japan
| | - Tomomi Shimazaki
- Quantum Chemistry Division, Yokohama City University, Seto 22-2, Kanazawa-Ku, Yokohama 236-0027, Kanagawa, Japan
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29
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Ma Y, Gong J, Zeng P, Liu M. Recent Progress in Interfacial Dipole Engineering for Perovskite Solar Cells. NANO-MICRO LETTERS 2023; 15:173. [PMID: 37420117 PMCID: PMC10328907 DOI: 10.1007/s40820-023-01131-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 05/26/2023] [Indexed: 07/09/2023]
Abstract
Design and modification of interfaces have been the main strategies in developing perovskite solar cells (PSCs). Among the interfacial treatments, dipole molecules have emerged as a practical approach to improve the efficiency and stability of PSCs due to their unique and versatile abilities to control the interfacial properties. Despite extensive applications in conventional semiconductors, working principles and design of interfacial dipoles in the performance/stability enhancement of PSCs are lacking an insightful elucidation. In this review, we first discuss the fundamental properties of electric dipoles and the specific roles of interfacial dipoles in PSCs. Then we systematically summarize the recent progress of dipole materials in several key interfaces to achieve efficient and stable PSCs. In addition to such discussions, we also dive into reliable analytical techniques to support the characterization of interfacial dipoles in PSCs. Finally, we highlight future directions and potential avenues for research in the development of dipolar materials through tailored molecular designs. Our review sheds light on the importance of continued efforts in this exciting emerging field, which holds great potential for the development of high-performance and stable PSCs as commercially demanded.
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Affiliation(s)
- Yinyi Ma
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, People's Republic of China
| | - Jue Gong
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, People's Republic of China
| | - Peng Zeng
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, People's Republic of China
| | - Mingzhen Liu
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, People's Republic of China.
- State Key Laboratory Electronic Thin Film and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 611731, People's Republic of China.
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30
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Zanetta A, Bulfaro I, Faini F, Manzi M, Pica G, De Bastiani M, Bellani S, Zappia MI, Bianca G, Gabatel L, Panda JK, Del Rio Castillo AE, Prato M, Lauciello S, Bonaccorso F, Grancini G. Enhancing charge extraction in inverted perovskite solar cells contacts via ultrathin graphene:fullerene composite interlayers. JOURNAL OF MATERIALS CHEMISTRY. A 2023; 11:12866-12875. [PMID: 37346737 PMCID: PMC10281336 DOI: 10.1039/d2ta07512a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 11/29/2022] [Indexed: 06/23/2023]
Abstract
Improving the perovskite/electron-transporting layer (ETL) interface is a crucial task to boost the performance of perovskite solar cells (PSCs). This is utterly fundamental in an inverted (p-i-n) configuration using fullerene-based ETLs. Here, we propose a scalable strategy to improve fullerene-based ETLs by incorporating high-quality few-layer graphene flakes (GFs), industrially produced through wet-jet milling exfoliation of graphite, into phenyl-C61-butyric acid methyl ester (PCBM). Our new composite ETL (GF:PCBM) can be processed into an ultrathin (∼10 nm), pinhole-free film atop the perovskite. We find that the presence of GFs in the PCBM matrix reduces defect-mediated recombination, while creating preferential paths for the extraction of electrons towards the current collector. The use of our GF-based composite ETL resulted in a significant enhancement in the open circuit voltage and fill factor of triple cation-based inverted PSCs, boosting the power conversion efficiency from ∼19% up to 20.8% upon the incorporation of GFs into the ETL.
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Affiliation(s)
- Andrea Zanetta
- Department of Chemistry & INSTM, University of Pavia Via T. Taramelli 14 27100 Pavia Italy
| | - Isabella Bulfaro
- Department of Chemistry & INSTM, University of Pavia Via T. Taramelli 14 27100 Pavia Italy
| | - Fabiola Faini
- Department of Chemistry & INSTM, University of Pavia Via T. Taramelli 14 27100 Pavia Italy
| | - Matteo Manzi
- Department of Chemistry & INSTM, University of Pavia Via T. Taramelli 14 27100 Pavia Italy
| | - Giovanni Pica
- Department of Chemistry & INSTM, University of Pavia Via T. Taramelli 14 27100 Pavia Italy
| | - Michele De Bastiani
- Department of Chemistry & INSTM, University of Pavia Via T. Taramelli 14 27100 Pavia Italy
| | | | | | - Gabriele Bianca
- Graphene Labs, Istituto Italiano di Tecnologia Via Morego 30 16163 Genova Italy
- Dipartimento di Chimica e Chimica Industriale, Università degli Studi di Genova Via Dodecaneso 31 16146 Genoa Italy
| | - Luca Gabatel
- BeDimensional S.p.A Via Lungotorrente Secca 30R 16163 Genova Italy
- Department of Mechanical Engineering - DIME, University of Genoa Via Opera Pia 15 16145 Genova Italy
| | - Jaya-Kumar Panda
- BeDimensional S.p.A Via Lungotorrente Secca 30R 16163 Genova Italy
| | | | - Mirko Prato
- Materials Characterization Facility, Istituto Italiano di Tecnologia Via Morego 30 16163 Genova Italy
| | - Simone Lauciello
- Electron Microscopy Facility, Istituto Italiano di Tecnologia Via Morego 30 16163 Genova Italy
| | | | - Giulia Grancini
- Department of Chemistry & INSTM, University of Pavia Via T. Taramelli 14 27100 Pavia Italy
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Fu Q, Tang X, Gao Y, Liu H, Chen M, Wang R, Song Z, Yang Y, Wang J, Liu Y. Dimensional Tuning of Perylene Diimide-Based Polymers for Perovskite Solar Cells with Over 24% Efficiency. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301175. [PMID: 36919257 DOI: 10.1002/smll.202301175] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Indexed: 06/15/2023]
Abstract
The hygroscopic dopants used in Spiro-OMeTAD hole transport material (HTM) in state-of-the-art perovskite solar cells (PSCs) inevitably induce premature degradation of the devices. Here, two multifunctional polymer interface materials based on the perylene diimides (PDI) unit are developed. It is found that quasi-two-dimensional (2D) polymer 2DP-PDI can form a denser film and exhibit better hydrophobicity than linear polymer P-PDI. Importantly, 2DP-PDI can passivate the surface defects and extract hole carriers of perovskite film more effectively, leading to much reduced nonradiative recombination loss. With polymer interface material between the perovskite and HTM layers, the optimized device using 2DP-PDI and P-PDI yields a champion PCE of 24.20% and 23.09%, respectively, along with significantly improved stability, whereas the control device shows a lower efficiency of 22.23%. These results suggest that developing multifunctional polymer interface materials can be a promising strategy to improve the efficiency and stability of PSCs.
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Affiliation(s)
- Qiang Fu
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry and Renewable Energy Conversion and Storage Center (RECAST), Nankai University, Tianjin, 300071, China
| | - Xingchen Tang
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry and Renewable Energy Conversion and Storage Center (RECAST), Nankai University, Tianjin, 300071, China
| | - Yuping Gao
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry and Renewable Energy Conversion and Storage Center (RECAST), Nankai University, Tianjin, 300071, China
| | - Hang Liu
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry and Renewable Energy Conversion and Storage Center (RECAST), Nankai University, Tianjin, 300071, China
| | - Mingqian Chen
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry and Renewable Energy Conversion and Storage Center (RECAST), Nankai University, Tianjin, 300071, China
| | - Rui Wang
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry and Renewable Energy Conversion and Storage Center (RECAST), Nankai University, Tianjin, 300071, China
| | - Zonglong Song
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry and Renewable Energy Conversion and Storage Center (RECAST), Nankai University, Tianjin, 300071, China
| | - Yang Yang
- The Institute of Seawater Desalination and Multipurpose Utilization, Ministry of Natural Resources, Tianjin, 300192, China
| | - Jian Wang
- The Institute of Seawater Desalination and Multipurpose Utilization, Ministry of Natural Resources, Tianjin, 300192, China
| | - Yongsheng Liu
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry and Renewable Energy Conversion and Storage Center (RECAST), Nankai University, Tianjin, 300071, China
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin, 300192, China
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32
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Bărar A, Maclean SA, Dănilă O, Taylor AD. Towards High-Efficiency Photon Trapping in Thin-Film Perovskite Solar Cells Using Etched Fractal Metadevices. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16113934. [PMID: 37297068 DOI: 10.3390/ma16113934] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/10/2023] [Accepted: 05/16/2023] [Indexed: 06/12/2023]
Abstract
Reflective loss is one of the main factors contributing to power conversion efficiency limitation in thin-film perovskite solar cells. This issue has been tackled through several approaches, such as anti-reflective coatings, surface texturing, or superficial light-trapping metastructures. We report detailed simulation-based investigations on the photon trapping capabilities of a standard Methylammonium Lead Iodide (MAPbI3) solar cell, with its top layer conveniently designed as a fractal metadevice, to reach a reflection value R<0.1 in the visible domain. Our results show that, under certain architecture configurations, reflection values below 0.1 are obtained throughout the visible domain. This represents a net improvement when compared to the 0.25 reflection yielded by a reference MAPbI3 having a plane surface, under identical simulation conditions. We also present the minimum architectural requirements of the metadevice by comparing it to simpler structures of the same family and performing a comparative study. Furthermore, the designed metadevice presents low power dissipation and exhibits approximately similar behavior regardless of the incident polarization angle. As a result, the proposed system is a viable candidate for being a standard requirement in obtaining high-efficiency perovskite solar cells.
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Affiliation(s)
- Ana Bărar
- Electronic Technology and Reliability Department, Polytechnic University of Bucharest, 060082 Bucharest, Romania
| | - Stephen Akwei Maclean
- Chemical Engineering Department, Tandon School of Engineering, New York University, Brooklyn, NY 11201, USA
| | - Octavian Dănilă
- Physics Department, Polytechnic University of Bucharest, 060082 Bucharest, Romania
| | - André D Taylor
- Chemical Engineering Department, Tandon School of Engineering, New York University, Brooklyn, NY 11201, USA
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Wu S, Zhang J, Qin M, Li F, Deng X, Lu X, Li WJ, Jen AKY. Manipulating Crystallographic Orientation via Cross-Linkable Ligand for Efficient and Stable Perovskite Solar Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2207189. [PMID: 36760026 DOI: 10.1002/smll.202207189] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 01/16/2023] [Indexed: 05/11/2023]
Abstract
The crystallographic orientation of polycrystalline perovskites is found to be strongly correlated with their intrinsic properties; therefore, it can be used to effectively enhance the performance of perovskite-based devices. Here, a facile way of manipulating the facet orientation of polycrystalline perovskite films in a controllable manner is reported. By incorporating a cross-linkable organic ligand into the perovskite precursor solution, the crystal orientation disorder can be reduced in the resultant perovskite films to exhibit the prominent (001) orientation with a preferred stacking mode. Moreover, the as-formed low-dimensional perovskites (LDPs) between the organic ligand and the excess lead iodide can passivate the defects around the grain boundaries. Consequently, highly efficient p-i-n structured perovskite solar cells (PSCs) can be made in both rigid and flexible forms from modified perovskites to show high power conversion efficiencies (PCE) of 24.12% and 23.23%, respectively. The devices also exhibit superior long-term stability in a humid environment (with T90 > 1000 h) and under thermal stress (retaining 87% of its initial PCE after 1000 h). More importantly, the ligand enables the derived LDPs to be crosslinked (under 254 nm UV illumination) to demonstrate excellent mechanical bending durability in flexible devices.
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Affiliation(s)
- Shengfan Wu
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, 999077, Hong Kong
- Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Jie Zhang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Minchao Qin
- Department of Physics, The Chinese University of Hong Kong, Sha Tin, 999077, Hong Kong
| | - Fengzhu Li
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, 999077, Hong Kong
- Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Xiang Deng
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, 999077, Hong Kong
- Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Xinhui Lu
- Department of Physics, The Chinese University of Hong Kong, Sha Tin, 999077, Hong Kong
| | - Wen-Jung Li
- Department of Mechanical Engineering, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Alex K-Y Jen
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, 999077, Hong Kong
- Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, 999077, Hong Kong
- Department of Chemistry, City University of Hong Kong, Kowloon, 999077, Hong Kong
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Ma Y, Zeng C, Zeng P, Hu Y, Li F, Zheng Z, Qin M, Lu X, Liu M. How Do Surface Polar Molecules Contribute to High Open-Circuit Voltage in Perovskite Solar Cells? ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023:e2205072. [PMID: 37078797 DOI: 10.1002/advs.202205072] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 12/20/2022] [Indexed: 05/03/2023]
Abstract
To date, the improvement of open-circuit voltage (VOC ) offers a breakthrough for the performance of perovskite solar cells (PSCs) toward their theoretical limit. Surface modification through organic ammonium halide salts (e.g., phenethylammonium ions PEA+ and phenmethylammonium ions PMA+ ) is one of the most straightforward strategies to suppress defect density, thereby leading to improved VOC . However, the mechanism underlying the high voltage remains unclear. Here, polar molecular PMA+ is applied at the interface between perovskite and hole transporting layer and a remarkably high VOC of 1.175 V is obtained which corresponds to an increase of over 100 mV in comparison to the control device. It is revealed that the equivalent passivation effect of surface dipole effectively improves the splitting of the hole quasi-Fermi level. Ultimately the combined effect of defect suppression and surface dipole equivalent passivation effect leads to an overall increase in significantly enhanced VOC . The resulted PSCs device reaches an efficiency of up to 24.10%. Contributions are identified here by the surface polar molecules to the high VOC in PSCs. A fundamental mechanism is suggested by use of polar molecules which enables further high voltage, leading ways to highly efficient perovskite-based solar cells.
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Affiliation(s)
- Yinyi Ma
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China
| | - Chengsong Zeng
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China
| | - Peng Zeng
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China
| | - Yuchao Hu
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China
| | - Faming Li
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China
| | - Zhonghao Zheng
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China
| | - Minchao Qin
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, 999077, China
| | - Xinhui Lu
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, 999077, China
| | - Mingzhen Liu
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, P. R. China
- State Key Laboratory Electronic Thin Film and Integrated Devices, University of Science and Technology of China, Chengdu, 611731, P. R. China
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Kundar M, Bhandari S, Chung S, Cho K, Sharma SK, Singh R, Pal SK. Surface Passivation by Sulfur-Based 2D (TEA) 2PbI 4 for Stable and Efficient Perovskite Solar Cells. ACS OMEGA 2023; 8:12842-12852. [PMID: 37065021 PMCID: PMC10099414 DOI: 10.1021/acsomega.2c08126] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 02/14/2023] [Indexed: 06/19/2023]
Abstract
Perovskite solar cells (PSCs) with superior performance have been recognized as a potential candidate in photovoltaic technologies. However, defects in the active perovskite layer induce nonradiative recombination which restricts the performance and stability of PSCs. The construction of a thiophene-based 2D structure is one of the significant approaches for surface passivation of hybrid PSCs that may combine the benefits of the stability of 2D perovskite with the high performance of three-dimensional (3D) perovskite. Here, a sulfur-rich spacer cation 2-thiopheneethylamine iodide (TEAI) is synthesized as a passivation agent for the construction of a three-dimensional/two-dimensional (3D/2D) perovskite bilayer structure. TEAI-treated PSCs possess a much higher efficiency (20.06%) compared to the 3D perovskite (MA0.9FA0.1PbI3) devices (17.42%). Time-resolved photoluminescence and femtosecond transient absorption spectroscopy are employed to investigate the effect of surface passivation on the charge carrier dynamics of the 3D perovskite. Additionally, the stability test of TEAI-treated perovskite devices reveals significant improvement in humid (RH ∼ 46%) and thermal stability as the sulfur-based 2D (TEA)2PbI4 material self-assembles on the 3D surface, making the perovskite surface hydrophobic. Our findings provide a reliable approach to improve device stability and performance successively, paving the way for industrialization of PSCs.
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Affiliation(s)
- Milon Kundar
- School
of Physical Sciences, Indian Institute of
Technology Mandi, Kamand, Mandi, Himachal
Pradesh 175005, India
- Advanced
Materials Research Centre, Indian Institute
of Technology Mandi, Kamand, Mandi, Himachal
Pradesh 175005, India
| | - Sahil Bhandari
- School
of Physical Sciences, Indian Institute of
Technology Mandi, Kamand, Mandi, Himachal
Pradesh 175005, India
- Advanced
Materials Research Centre, Indian Institute
of Technology Mandi, Kamand, Mandi, Himachal
Pradesh 175005, India
| | - Sein Chung
- Department
of Chemical Engineering, Pohang University
of Science and Technology, Pohang 37673, South Korea
| | - Kilwon Cho
- Department
of Chemical Engineering, Pohang University
of Science and Technology, Pohang 37673, South Korea
| | - Satinder K. Sharma
- School
of Computing and Electrical Engineering (SCEE), Indian Institute of Technology Mandi, Kamand, Mandi, Himachal Pradesh 175005, India
| | - Ranbir Singh
- School
of Computing and Electrical Engineering (SCEE), Indian Institute of Technology Mandi, Kamand, Mandi, Himachal Pradesh 175005, India
- School
of Mechanical and Materials Engineering, Indian Institute of Technology Mandi, Kamand, Mandi, Himachal Pradesh 175005, India
| | - Suman Kalyan Pal
- School
of Physical Sciences, Indian Institute of
Technology Mandi, Kamand, Mandi, Himachal
Pradesh 175005, India
- Advanced
Materials Research Centre, Indian Institute
of Technology Mandi, Kamand, Mandi, Himachal
Pradesh 175005, India
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36
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Zhu X, Xu J, Cen H, Wu Z, Dong H, Xi J. Perspectives for the conversion of perovskite indoor photovoltaics into IoT reality. NANOSCALE 2023; 15:5167-5180. [PMID: 36846869 DOI: 10.1039/d2nr07022g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
As a competitive candidate for powering low-power terminals in Internet of Things (IoT) systems, indoor photovoltaic (IPV) technology has attracted much attention due to its effective power output under indoor light illumination. One such emerging photovoltaic technology, perovskite cell, has become a hot topic in the field of IPVs due to its outstanding theoretical performance limits and low manufacturing costs. However, several elusive issues remain limiting their applications. In this review, the challenges for perovskite IPVs are discussed in view of the bandgap tailoring to match indoor light spectra and the defect trapping regulation throughout the devices. Then, we summarize up-to-date perovskite cells, highlighting advanced strategies such as bandgap engineering, film engineering and interface engineering to enhance indoor performance. The investigation of indoor applications of large and flexible perovskite cells and integrated devices powered by perovskite cells is exhibited. Finally, the perspectives for the perovskite IPV field are provided to help facilitate the further improvement of indoor performance.
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Affiliation(s)
- Xinyi Zhu
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique, School of Electronic Science and Engineering, Xi'an Jiaotong University, No. 28, Xianning West Road, Xi'an, 710049, China.
| | - Jie Xu
- School of Science, Xi'an University of Architecture and Technology, Xi'an, 710055, China
| | - Hanlin Cen
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique, School of Electronic Science and Engineering, Xi'an Jiaotong University, No. 28, Xianning West Road, Xi'an, 710049, China.
| | - Zhaoxin Wu
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique, School of Electronic Science and Engineering, Xi'an Jiaotong University, No. 28, Xianning West Road, Xi'an, 710049, China.
- Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China
| | - Hua Dong
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique, School of Electronic Science and Engineering, Xi'an Jiaotong University, No. 28, Xianning West Road, Xi'an, 710049, China.
- Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China
| | - Jun Xi
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique, School of Electronic Science and Engineering, Xi'an Jiaotong University, No. 28, Xianning West Road, Xi'an, 710049, China.
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Zhou Q, Liu B, Shai X, Li Y, He P, Yu H, Chen C, Xu ZX, Wei D, Chen J. Precise modulation strategies of 2D/3D perovskite heterojunctions in efficient and stable solar cells. Chem Commun (Camb) 2023; 59:4128-4141. [PMID: 36919401 DOI: 10.1039/d2cc07048k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
2D/3D perovskite heterojunctions exhibit promising prospects in the improvement of efficiency and stability of perovskite solar cells (PSCs). However, many challenges remain in the development of high-quality 2D/3D heterojunctions, such as a reliable pathway to control the perovskite phase and generally poor performance in inverted (p-i-n) devices, which limit their commercialization. Fortunately, many excellent works have proposed lots of strategies to solve these challenges, which have triggered a new wave of research on 2D/3D perovskite heterojunctions in recent years. In this paper, the latest research progress and the critical factors involved in the modulating mechanisms of PSCs with 2D/3D heterojunctions have been summarized and laid out systematically. The advantages of constructing 2D/3D perovskite heterojunctions in PSCs are highlighted, and the problems and related solutions of low-dimensional perovskites as passivation layers towards high-performance PSCs are also discussed in depth. Finally, the prospects of 2D/3D perovskite heterojunctions utilized in the passivation strategies to further improve the photovoltaic performance of PSCs in the future have been presented.
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Affiliation(s)
- Qian Zhou
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China.
| | - Baibai Liu
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China.
| | - Xuxia Shai
- Institute of Physical and Engineering Science/Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China
| | - Yuelong Li
- Institute of Photoelectronic Thin Film Devices and Technology of Nankai University, Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin, Solar Energy Research Center of Nankai University, Tianjin 300350, P. R. China
| | - Peng He
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China.
| | - Hua Yu
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China.
| | - Cong Chen
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300401, China.
| | - Zong-Xiang Xu
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China.
| | - Dong Wei
- College of Physics and Energy, Fujian Normal University, FuZhou, 350117, China.
| | - Jiangzhao Chen
- Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China.
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Shi J, Wang M, Zhang C, Wang J, Zhou Y, Xu Y, Gaponenko NV, Bhatti AS. In Situ Fabrication of Lead-Free Double Perovskite/Polymer Composite Films for Optoelectronic Devices and Anticounterfeit Printing. ACS APPLIED MATERIALS & INTERFACES 2023; 15:12383-12392. [PMID: 36821493 DOI: 10.1021/acsami.2c22752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Lead-free double perovskites (DP) have the potential to become a rising star in the next generation of lighting markets by addressing the toxicity and instability issues associated with traditional lead-based perovskites. However, high concentrations of hydrochloric acid (HCl) were often employed as a solvent in the preparation of most DPs, accompanied by slow crystallization at high temperatures, which not only raised the risk and cost in the preparation process, but also had a potential threat to the environment. Here, an in situ fabrication strategy was proposed to realize the crystallization of DP in the polymer at low temperature with a mild dimethyl sulfoxide (DMSO) solvent, and subsequently obtained optically well-behaved Cs2Na0.8Ag0.2BiCl6/PMMA composite films (CFs) by doping with Ag+, generating bright orange luminescence with a photoluminescence quantum yield (PLQY) of up to 21.52%. Moreover, the growth dynamics of Cs2Na0.8Ag0.2BiCl6/PMMA CFs was further investigated by in situ optical transformation, which was extended to other DP-based polymer CFs. Finally, these CFs exhibited excellent performance in optoelectronic devices and anticounterfeit printing, the results of which provide a new pathway to advance the development of lead-free DP materials in the optical field.
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Affiliation(s)
- Jindou Shi
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research & Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, 710049 Xi'an, China
| | - Minqiang Wang
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research & Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, 710049 Xi'an, China
| | - Chen Zhang
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research & Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, 710049 Xi'an, China
| | - Junnan Wang
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research & Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, 710049 Xi'an, China
| | - Yun Zhou
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research & Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, 710049 Xi'an, China
| | - Youlong Xu
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education International Center for Dielectric Research & Shannxi Engineering Research Center of Advanced Energy Materials and Devices, Xi'an Jiaotong University, 710049 Xi'an, China
| | - Nikolai V Gaponenko
- Belarusian State University of Informatics and Radioelectronics, P. Browki 6, 220013 Minsk, Belarus
| | - Arshad Saleem Bhatti
- Centre for Micro and Nano Devices, Department of Physics, COMSATS Institute of Information Technology, Islamabad, 44500, Pakistan
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Zhang G, Ji G, Bao J, Chen C, Sim S, Du Z. Surface modifications by wet oxidation method removing getter layer in crystalline silicon cells. RSC Adv 2023; 13:8254-8261. [PMID: 36926011 PMCID: PMC10011970 DOI: 10.1039/d2ra07682a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 02/25/2023] [Indexed: 03/18/2023] Open
Abstract
Reducing the impurity atom content in crystalline silicon (c-Si) can effectively reduce the recombination current density (J 0) and improve the photoelectric conversion efficiency (PCE) of solar cells. Phosphorus diffusion gettering (PDG) has been proven to be an effective method to remove impurity atoms from c-Si. However, the research studies show that the traditional tube thermal diffusion method will cause a large number of dislocations on the silicon surface during the oxidation process, reducing the effectiveness of gettering. In this paper, the wet oxidation method is systematically used to remove phosphorus-rich layers (PRL) and modify the surface. The gettering effectiveness is measured by the minority carrier lifetime (τ eff) and bulk carrier lifetime (τ bulk) of silicon wafers. The results show that wet oxidation can reduce J 0 by 27.0% and increase τ eff by 26.3%. For the bulk region, the average τ bulk can be increased by more than 6-14%. In addition, with the final PCE comparison, the efficiency of the wet oxidation cell will be improved by 0.12%. These works indicate that the wet oxidation method can significantly improve the gettering effectiveness and the PCE of c-Si solar cell fabrication.
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Affiliation(s)
- Geng Zhang
- Jolywood (Taizhou) Solar Technology Co., Ltd. Taizhou 225500 Jiangsu China
| | - Genhua Ji
- Jolywood (Taizhou) Solar Technology Co., Ltd. Taizhou 225500 Jiangsu China
| | - Jie Bao
- Jolywood (Taizhou) Solar Technology Co., Ltd. Taizhou 225500 Jiangsu China
| | - Cheng Chen
- Jolywood (Taizhou) Solar Technology Co., Ltd. Taizhou 225500 Jiangsu China
| | - Seunghwan Sim
- Jolywood (Taizhou) Solar Technology Co., Ltd. Taizhou 225500 Jiangsu China
| | - Zheren Du
- Jolywood (Taizhou) Solar Technology Co., Ltd. Taizhou 225500 Jiangsu China
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Sun SQ, Sun Q, Ji YJ, Xu YL, He W, Zhu M, Zhou JG, Yu YJ, Feng DD, Xie YM, Li YY, Fung MK. Multidentate Molecule Anchoring Halide Perovskite Surface and Regulating Crystallization Kinetics toward Efficient Light-Emitting Diodes. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205336. [PMID: 36581559 DOI: 10.1002/smll.202205336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 11/24/2022] [Indexed: 06/17/2023]
Abstract
Functional passivators are conventionally utilized in modifying the crystallization properties of perovskites to minimize the non-radiative recombination losses in perovskite light-emitting diodes (PeLEDs). However, the weak anchor ability of some commonly adopted molecules has limited passivation ability to perovskites and even may desorb from the passivated defects in a short period of time, which bring about plenty of challenges for further development of high-performance PeLEDs. Here, a multidentate molecule, formamidine sulfinic acid (FSA), is introduced as a novel passivator to perovskites. FSA has multifunctional groups (S≐O, C≐N and NH2 ) where the S≐O and C≐N groups enable coordination with the lead ions and the NH2 interacts with the bromide ions, thus providing the most effective chemical passivation for defects and in turn the formation of highly stable perovskite emitters. Moreover, the interaction between the FSA and octahedral [PbBr6 ]4- can inhibit the formation of unfavorable low-n domains to further minimize the inefficient energy transfer inside the perovskite emitters. Therefore, the FSA passivated green-emitting PeLED exhibits a high external quantum efficiency (EQE) of 26.5% with fourfold enhancement in operating lifetime as compared to the control device, consolidating that the multidentate molecule is a promising strategy to effectively and sustainably passivate the perovskites.
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Affiliation(s)
- Shuang-Qiao Sun
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Qi Sun
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Yu-Jin Ji
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Yan-Lin Xu
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Wei He
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Min Zhu
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Jun-Gui Zhou
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - You-Jun Yu
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Dan-Dan Feng
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Yue-Min Xie
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - You-Yong Li
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
- Macao Institute of Materials Science and Engineering (MIMSE), MUST-SUDA Joint Research Center for Advanced Functional Materials, Zhuhai MUST Science and Technology Research Institute, Macau University of Science and Technology, Taipa, Macau, 999078, P. R. China
| | - Man-Keung Fung
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu, 215123, P. R. China
- Macao Institute of Materials Science and Engineering (MIMSE), MUST-SUDA Joint Research Center for Advanced Functional Materials, Zhuhai MUST Science and Technology Research Institute, Macau University of Science and Technology, Taipa, Macau, 999078, P. R. China
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41
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González-Juárez E, Espinosa-Roa A, Cadillo-Martínez AT, Garay-Tapia AM, Amado-Briseño MA, Vázquez-García RA, Valdez-Calderon A, Velusamy J, Sanchez EM. Enhancing the stability and efficiency of MAPbI 3 perovskite solar cells by theophylline-BF 4 - alkaloid derivatives, a theoretical-experimental approach. RSC Adv 2023; 13:5070-5080. [PMID: 36762084 PMCID: PMC9907567 DOI: 10.1039/d2ra07580f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/27/2023] [Indexed: 02/10/2023] Open
Abstract
Perovskite solar cells (PSCs) are an evolving photovoltaic field with the potential to disrupt the established silicon solar cell market. However, the presence of many transport barriers and defect trap states at the interfaces and grain boundaries has negative effects on PSCs; it decreases their efficiency and stability. The purpose of this work was to investigate the effects on efficiency and stability achieved by quaternary theophylline additives in MAPbI3 PSCs with the structure FTO/TiO2/perovskite/spiro-OMeTAD/Ag. The X-ray photoelectron spectroscopy (XPS) and theoretical calculation strategies were applied to study the additive's interaction in the layer. The tetrafluoroborinated additive results in an increase in device current density (J SC) (23.99 mA cm-1), fill factor (FF) (65.7%), and open-circuit voltage (V OC) (0.95 V), leading to significant improvement of the power conversion efficiency (PCE) to 15.04% compared to control devices (13.6%). Notably, films exposed to controlled humidity of 30% using the tetrafluoroborinated additive maintained their stability for more than 600 hours (h), while the control films were stable for less than 240 hours (h).
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Affiliation(s)
- Edgar González-Juárez
- Universidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas (FCQ)Av. Universidad s/n, Cd. UniversitariaSan Nicolás de los GarzaNuevo LeónC.P. 66450Mexico
| | - Arián Espinosa-Roa
- CONACyT-Centro de Investigación en Química Aplicada (CIQA), Unidad MonterreyAlianza Sur 204, PIITApodacaNuevo LeónC.P. 66628Mexico
| | - Alejandra T. Cadillo-Martínez
- Centro de Investigación en Materiales Avanzados S.C. (CIMAV), Unidad MonterreyAlianza Norte 202, PIITApodacaNuevo LeónC.P. 66628Mexico
| | - Andrés M. Garay-Tapia
- Centro de Investigación en Materiales Avanzados S.C. (CIMAV), Unidad MonterreyAlianza Norte 202, PIITApodacaNuevo LeónC.P. 66628Mexico
| | - Miguel A. Amado-Briseño
- CONACyT-Centro de Investigación en Química Aplicada (CIQA), Unidad MonterreyAlianza Sur 204, PIITApodacaNuevo LeónC.P. 66628Mexico,Universidad Autónoma del Estado de Hidalgo (UAEH). Área Académica de Ciencias de la Tierra y MaterialesCarretera Pachuca-Tulancingo Km. 4.5., Ciudad del ConocimientoMineral de la ReformaHgoC.P. 42184Mexico
| | - Rosa A. Vázquez-García
- Universidad Autónoma del Estado de Hidalgo (UAEH). Área Académica de Ciencias de la Tierra y MaterialesCarretera Pachuca-Tulancingo Km. 4.5., Ciudad del ConocimientoMineral de la ReformaHgoC.P. 42184Mexico
| | - Alejandro Valdez-Calderon
- Universidad Tecnológica de la Zona Metropolitana del Valle de MéxicoBlvd. Miguel Hidalgo y Costilla 5, Los Héroes de TizayucaTizayucaHgoC.P. 43816Mexico
| | - Jayaramakrishnan Velusamy
- Chemical Engineering and Biotechnology, University of Cambridge Philippa Fawcett Drive Cambridge CB3 0AS UK
| | - Eduardo M. Sanchez
- Universidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas (FCQ)Av. Universidad s/n, Cd. UniversitariaSan Nicolás de los GarzaNuevo LeónC.P. 66450Mexico
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42
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Kim W, Park J, Aggarwal Y, Sharma S, Choi EH, Park B. Highly Efficient and Stable Self-Powered Perovskite Photodiode by Cathode-Side Interfacial Passivation with Poly(Methyl Methacrylate). NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:619. [PMID: 36770580 PMCID: PMC9920469 DOI: 10.3390/nano13030619] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 01/29/2023] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
For several years now, organic-inorganic hybrid perovskite materials have shown remarkable progress in the field of opto-electronic devices. Herein, we introduce a cathode-side passivation layer of poly(methyl methacrylate) (PMMA) for a highly efficient and stable self-powered CH3NH3PbI3 perovskite-based photodiode. For effective noise-current suppression, the PMMA passivation layer was employed between a light-absorbing layer of CH3NH3PbI3 (MAPbI3) perovskite and an electron transport layer of [6,6]-phenyl-C61-butyric acid methyl ester. Due to its passivation effect on defects in perovskite film, the PMMA passivation layer can effectively suppress interface recombination and reduce the leakage/noise current. Without external bias, the MAPbI3 photodiode with the PMMA layer demonstrated a significantly high specific detectivity value (~1.07 × 1012 Jones) compared to that of a conventional MAPbI3 photodiode without a PMMA layer. Along with the enhanced specific detectivity, a wide linear dynamic response (~127 dB) with rapid rise (~50 μs) and decay (~17 μs) response times was obtained. Furthermore, highly durable dynamic responses of the PMMA-passivated MAPbI3 photodiode were observed even after a long storage time of 500 h. The results achieved with the cathode-side PMMA-passivated perovskite photodiodes represent a new means by which to realize highly sensitive and stable self-powered photodiodes for use in developing novel opto-electronic devices.
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Affiliation(s)
- Wonsun Kim
- Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea
| | - JaeWoo Park
- Department of Plasma-Bio Display, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Yushika Aggarwal
- Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Shital Sharma
- Department of Plasma-Bio Display, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Eun Ha Choi
- Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea
- Department of Plasma-Bio Display, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Byoungchoo Park
- Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea
- Department of Plasma-Bio Display, Kwangwoon University, Seoul 01897, Republic of Korea
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43
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Chen P, Xiao Y, Li L, Zhao L, Yu M, Li S, Hu J, Liu B, Yang Y, Luo D, Hou CH, Guo X, Shyue JJ, Lu ZH, Gong Q, Snaith HJ, Zhu R. Efficient Inverted Perovskite Solar Cells via Improved Sequential Deposition. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2206345. [PMID: 36443913 DOI: 10.1002/adma.202206345] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 11/21/2022] [Indexed: 06/16/2023]
Abstract
Inverted-structure metal halide perovskite solar cells (PSCs) have attractive advantages like low-temperature processability and outstanding device stability. The two-step sequential deposition method shows the benefits of easy fabrication and decent performance repeatability. Nevertheless, it is still challenging to achieve high-performance inverted PSCs with similar or equal power conversion efficiencies (PCEs) compared to the regular-structure counterparts via this deposition method. Here, an improved two-step sequential deposition technique is demonstrated via treating the bottom organic hole-selective layer with the binary modulation system composed of a polyelectrolyte and an ammonium salt. Such improved sequential deposition method leads to the spontaneous refinement of up and buried interfaces for the perovskite films, contributing to high film quality with significantly reduced defect density and better charge transportation. As a result, the optimized PSCs show a large enhancement in the open-circuit voltage by 100 mV and a dramatic lift in the PCE from 18.1% to 23.4%, delivering the current state-of-the-art performances for inverted PSCs. Moreover, good operational and thermal stability is achieved upon the improved inverted PSCs. This innovative strategy helps gain a deeper insight into the perovskite crystal growth and defect modulation in the inverted PSCs based on the two-step sequential deposition method.
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Affiliation(s)
- Peng Chen
- State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, School of Physics, Frontiers Science Center for Nano-optoelectronics & Collaborative Innovation Center of Quantum Matter, Peking University, Beijing, 100871, China
| | - Yun Xiao
- Clarendon Laboratory, Department of Physics, University of Oxford, Oxford, OX1 3PU, UK
| | - Lei Li
- State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, School of Physics, Frontiers Science Center for Nano-optoelectronics & Collaborative Innovation Center of Quantum Matter, Peking University, Beijing, 100871, China
| | - Lichen Zhao
- State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, School of Physics, Frontiers Science Center for Nano-optoelectronics & Collaborative Innovation Center of Quantum Matter, Peking University, Beijing, 100871, China
| | - Maotao Yu
- State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, School of Physics, Frontiers Science Center for Nano-optoelectronics & Collaborative Innovation Center of Quantum Matter, Peking University, Beijing, 100871, China
| | - Shunde Li
- State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, School of Physics, Frontiers Science Center for Nano-optoelectronics & Collaborative Innovation Center of Quantum Matter, Peking University, Beijing, 100871, China
| | - Juntao Hu
- Department of Physics, Center for Optoelectronics Engineering Research, Yunnan University, Kunming, Yunnan, 650091, China
- Center of Development and Research, Yunnan Tin Group (Holding) Co. Ltd, Kunming, Yunnan, 650106, China
| | - Bin Liu
- Department of Materials Science and Engineering, Southern University of Science and Technology (SUSTech), Shenzhen, Guangdong, 518055, China
| | - Yingguo Yang
- Shanghai Synchrotron Radiation Facility (SSRF), Zhangjiang Lab, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201204, China
| | - Deying Luo
- Department of Materials Science and Engineering, University of Toronto, Toronto, Ontario, M5G 3E4, Canada
| | - Cheng-Hung Hou
- Research Center for Applied Sciences, Academia Sinica, Taipei, 11529, Taiwan
| | - Xugang Guo
- Department of Materials Science and Engineering, Southern University of Science and Technology (SUSTech), Shenzhen, Guangdong, 518055, China
| | - Jing-Jong Shyue
- Research Center for Applied Sciences, Academia Sinica, Taipei, 11529, Taiwan
| | - Zheng-Hong Lu
- Department of Physics, Center for Optoelectronics Engineering Research, Yunnan University, Kunming, Yunnan, 650091, China
- Department of Materials Science and Engineering, University of Toronto, Toronto, Ontario, M5G 3E4, Canada
| | - Qihuang Gong
- State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, School of Physics, Frontiers Science Center for Nano-optoelectronics & Collaborative Innovation Center of Quantum Matter, Peking University, Beijing, 100871, China
- Peking University Yangtze Delta Institute of Optoelectronics, Nantong, Jiangsu, 226010, China
- Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi, 030006, China
| | - Henry J Snaith
- Clarendon Laboratory, Department of Physics, University of Oxford, Oxford, OX1 3PU, UK
| | - Rui Zhu
- State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, School of Physics, Frontiers Science Center for Nano-optoelectronics & Collaborative Innovation Center of Quantum Matter, Peking University, Beijing, 100871, China
- Peking University Yangtze Delta Institute of Optoelectronics, Nantong, Jiangsu, 226010, China
- Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi, 030006, China
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Park J, Aggarwal Y, Kim W, Sharma S, Choi EH, Park B. Self-powered CH 3NH 3PbI 3 perovskite photodiode with a noise-suppressible passivation layer of poly(methyl methacrylate). OPTICS EXPRESS 2023; 31:1202-1213. [PMID: 36785160 DOI: 10.1364/oe.479285] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 12/20/2022] [Indexed: 06/18/2023]
Abstract
Organohalide perovskite materials and related optoelectronic applications have drawn significant attention due to their promising high-performance photon-to-electricity conversion efficiencies. Herein, we demonstrate a highly sensitive self-powered perovskite-based photodetector created with a noise-current-suppressible passivation layer of poly(methyl methacrylate) (PMMA) at the interface between a CH3NH3PbI3 light-absorbing layer and a NiOx hole-transporting layer. Along with the defect passivation effect, the PMMA layer effectively diminishes unwanted carrier recombination losses at the interface, resulting in a significant reduction of the leakage/noise current. Consequently, without external bias, a remarkably high level of specific detectivity (∼4.5 × 1013 Jones from the dark current and ∼0.81 × 1012 Jones from the noise current) can be achieved due to the use of the PMMA passivation layer, greatly exceeding those of conventional unpassivated perovskite devices. Moreover, we observed a very wide linear dynamic response range of ∼129 dB together with rapid rise and decay response times of ∼52 and ∼18 µs, respectively. Overall, these results provide a solid foundation for advanced interface-engineering to realize high-performance self-powered perovskite photodetectors for various optoelectronic applications.
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45
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Zhang Z, Qiao L, Meng K, Long R, Chen G, Gao P. Rationalization of passivation strategies toward high-performance perovskite solar cells. Chem Soc Rev 2023; 52:163-195. [PMID: 36454225 DOI: 10.1039/d2cs00217e] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Lead halide perovskite solar cells (PSCs) have shown unprecedented development in efficiency and progressed relentlessly in improving stability. All the achievements have been accompanied by diverse passivation strategies to circumvent the pervasive defects in perovskite materials, which play crucial roles in the process of charge recombination, ion migration, and component degradation. Among the tremendous efforts made to solve these issues and achieve high-performance PSCs, we classify and review both well-established and burgeoning passivation strategies to provide further guidance for the passivation protocols in PSCs, including chemical passivation to eliminate defects by the formation of chemical bonds, physical passivation to eliminate defects by strain relaxation or physical treatments, energetic passivation to improve the stability toward light and oxygen, and field-effect passivation to regulate the interfacial carrier behavior. The subtle but non-trivial consequences from various passivation strategies need advanced characterization techniques combining synchrotron-based X-ray analysis, capacitance-based measurements, spatially resolved imaging, fluorescent molecular probe, Kelvin probe force microscope, etc., to scrutinize the mechanisms. In the end, challenges and prospective research directions on advancing these passivation strategies are proposed. Judicious combinations among chemical, physical, energetic, and field-effect passivation deserve more attention for future high-efficiency and stable perovskite photovoltaics.
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Affiliation(s)
- Zhihao Zhang
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China. .,Laboratory for Advanced Functional Materials, Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen 361021, China
| | - Lu Qiao
- College of Chemistry, Key Laboratory of Theoretical and Computational Photochemistry of Ministry of Education, Beijing Normal University, Beijing 100875, China.
| | - Ke Meng
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.
| | - Run Long
- College of Chemistry, Key Laboratory of Theoretical and Computational Photochemistry of Ministry of Education, Beijing Normal University, Beijing 100875, China.
| | - Gang Chen
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China.
| | - Peng Gao
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China. .,Laboratory for Advanced Functional Materials, Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen 361021, China
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46
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Gao D, Li B, Li Z, Wu X, Zhang S, Zhao D, Jiang X, Zhang C, Wang Y, Li Z, Li N, Xiao S, Choy WCH, Jen AKY, Yang S, Zhu Z. Highly Efficient Flexible Perovskite Solar Cells through Pentylammonium Acetate Modification with Certified Efficiency of 23.35. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2206387. [PMID: 36349808 DOI: 10.1002/adma.202206387] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 11/02/2022] [Indexed: 06/16/2023]
Abstract
Among the emerging photovoltaic technologies, rigid perovskite solar cells (PSCs) have made tremendous development owing to their exceptional power conversion efficiency (PCE) of up to 25.7%. However, the record PCE of flexible PSCs (≈22.4%) still lags far behind their rigid counterparts and their mechanical stabilities are also not satisfactory. Herein, through modifying the interface between perovskite and hole transport layer via pentylammonium acetate (PenAAc) molecule a highly efficient and stable flexible inverted PSC is reported. Through synthetic manipulation of anion and cation, it is shown that the PenA+ and Ac- have strong chemical binding with both acceptor and donor defects of surface-terminating ends on perovskite films. The PenAAc-modified flexible PSCs achieve a record PCE of 23.68% (0.08 cm2 , certified: 23.35%) with a high open-circuit voltage (VOC ) of 1.17 V. Large-area devices (1.0 cm2 ) also realized an exceptional PCE of 21.52%. Moreover, the fabricated devices show excellent stability under mechanical bending, with PCE remaining above 91% of the original PCE even after 5000 bends.
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Affiliation(s)
- Danpeng Gao
- Department of Chemistry, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Bo Li
- Department of Chemistry, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Zhen Li
- Department of Chemistry, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Xin Wu
- Department of Chemistry, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Shoufeng Zhang
- Department of Chemistry, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Dan Zhao
- Department of Chemistry, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Xiaofen Jiang
- CAS Key Laboratory of Materials for Energy Conversion, Anhui Laboratory of Advanced Photon Science and Technology, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, 230026, China
| | - Chunlei Zhang
- Department of Chemistry, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Yan Wang
- Department of Chemistry, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Zhenjiang Li
- Department of Computer Science, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Nan Li
- Department of Electronic Engineering, The Chinese University of Hong Kong, New Territories, 999077, Hong Kong
| | - Shuang Xiao
- Guangdong Provincial Key Lab of Nano-Micro Materials Research, School of Chemical Biology and Biotechnology, Shenzhen Graduate School, Peking University, Shenzhen, 518055, China
- Center for Advanced Material Diagnostic Technology and College of Engineering Physics, Shenzhen Technology University, Shenzhen, 518118, China
| | - Wallace C H Choy
- Department of Electrical and Electronic Engineering, University of Hong Kong, Pokfulam Road, Kowloon, 999077, Hong Kong
| | - Alex K-Y Jen
- Department of Chemistry, City University of Hong Kong, Kowloon, 999077, Hong Kong
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, 999077, Hong Kong
- Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Shangfeng Yang
- CAS Key Laboratory of Materials for Energy Conversion, Anhui Laboratory of Advanced Photon Science and Technology, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, 230026, China
| | - Zonglong Zhu
- Department of Chemistry, City University of Hong Kong, Kowloon, 999077, Hong Kong
- Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, 999077, Hong Kong
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47
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Khorshidi E, Rezaei B, Kavousighahfarokhi A, Hanisch J, Reus MA, Müller-Buschbaum P, Ameri T. Antisolvent Additive Engineering for Boosting Performance and Stability of Graded Heterojunction Perovskite Solar Cells Using Amide-Functionalized Graphene Quantum Dots. ACS APPLIED MATERIALS & INTERFACES 2022; 14:54623-54634. [PMID: 36446022 PMCID: PMC9756295 DOI: 10.1021/acsami.2c12944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 11/15/2022] [Indexed: 06/16/2023]
Abstract
Additive and antisolvent engineering strategies are outstandingly efficient in enhancing perovskite quality, photovoltaic performance, and stability of perovskite solar cells (PSCs). In this work, an effective approach is applied by coupling the antisolvent mixture and multi-functional additive procedures, which is recognized as antisolvent additive engineering (AAE). The graphene quantum dots functionalized with amide (AGQDs), which consists of carbonyl, amine, and long hydrophobic alkyl chain functional groups, are added to the antisolvent mixture of toluene (T) and hexane (H) as an efficient additive to form the CH3NH3PbI3 (MAPI):AGQDs graded heterojunction structure. A broad range of analytical techniques, including scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, space charge limited current, UV-visible spectroscopy, external quantum efficiency, and time-of-flight secondary ion mass spectrometry, are used to investigate the effect of AAE treatment with AGQDs on the quality of perovskite film and performance of the PSCs. Importantly, not only a uniform and dense perovskite film with hydrophobic property is obtained but also defects on the perovskite surface are significantly passivated by the interaction between AGQDs and uncoordinated Pb2+. As a result, an enhanced power conversion efficiency (PCE) of 19.10% is achieved for the champion PSCs treated with AGQD additive, compared to the PCE of 16.00% for untreated reference PSCs. In addition, the high-efficiency PSCs based on AGQDs show high stability and maintain 89% of their initial PCE after 960 h in ambient conditions.
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Affiliation(s)
- Elahe Khorshidi
- Department
of Chemistry and Center for NanoScience (CeNS), Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13 (E), Munich81377, Germany
- Department
of Chemistry, Isfahan University of Technology, Isfahan84156-83111, Iran
| | - Behzad Rezaei
- Department
of Chemistry, Isfahan University of Technology, Isfahan84156-83111, Iran
| | - Arash Kavousighahfarokhi
- Department
of Electrical and Electronic Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM, Serdang43400, Selangor Darul Ehsan, Malaysia
| | - Jonas Hanisch
- Zentrum
für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg
(ZSW), Meitnerstraße
1, Stuttgart70563, Germany
| | - Manuel A. Reus
- Lehrstuhl
für Funktionelle Materialien, Physik-Department, Technische Universität München, James-Franck-Straße 1, Garching85748, Germany
| | - Peter Müller-Buschbaum
- Lehrstuhl
für Funktionelle Materialien, Physik-Department, Technische Universität München, James-Franck-Straße 1, Garching85748, Germany
- Heinz Maier-Leibnitz
Zentrum (MLZ), Technische Universität
München, Lichtenbergstr.
1, Garching85748, Germany
| | - Tayebeh Ameri
- Department
of Chemistry and Center for NanoScience (CeNS), Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13 (E), Munich81377, Germany
- Institute
for Materials and Processes, School of Engineering, University of Edinburgh, Sanderson Building, Robert Stevenson Road, EdinburghEH9 3FB, U.K.
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48
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Dhami BS, Iyer V, Pant A, Tripathi RPN, Taylor EJ, Lawrie BJ, Appavoo K. Angle-resolved polarimetry of hybrid perovskite emission for photonic technologies. NANOSCALE 2022; 14:17519-17527. [PMID: 36409224 DOI: 10.1039/d2nr03261a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Coupling between light and matter strongly depends on the polarization of the electromagnetic field and the nature of excitations in a material. As hybrid perovskites emerge as a promising class of materials for light-based technologies such as LEDs, LASERs, and photodetectors, it is critical to understand how their microstructure changes the intrinsic properties of the photon emission process. While the majority of optical studies have focused on the spectral content, quantum efficiency and lifetimes of emission in various hybrid perovskite thin films and nanostructures, few studies have investigated other properties of the emitted photons such as polarization and emission angle. Here, we use angle-resolved cathodoluminescence microscopy to access the full polarization state of photons emitted from large-grain hybrid perovskite films with spatial resolution well below the optical diffraction limit. Mapping these Stokes parameters as a function of the angle at which the photons are emitted from the thin film surface, we reveal the effect of a grain boundary on the degree of polarization and angle at which the photons are emitted. Such studies of angle- and polarization-resolved emission at the single grain level are necessary for future development of perovskite-based flat optics, where effects of grain boundaries and interfaces need to be mitigated.
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Affiliation(s)
- Bibek S Dhami
- Department of Physics, University of Alabama at Birmingham, AL 35294, USA.
| | - Vasudevan Iyer
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge TN, 37831, USA
| | - Aniket Pant
- Department of Physics, University of Alabama at Birmingham, AL 35294, USA.
| | - Ravi P N Tripathi
- Department of Physics, University of Alabama at Birmingham, AL 35294, USA.
| | - Ethan J Taylor
- Department of Physics, University of Alabama at Birmingham, AL 35294, USA.
| | - Benjamin J Lawrie
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge TN, 37831, USA
- Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge TN, 37831, USA
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49
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Lee AY, Park JH, Kim H, Jeong HY, Lee JH, Song MH. Blue Perovskite Nanocrystal Light-Emitting Diodes: Overcoming RuddlesdenPopper Fault-Induced Nonradiative Recombination via Post-Halide Exchange. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2205011. [PMID: 36354161 DOI: 10.1002/smll.202205011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Indexed: 06/16/2023]
Abstract
Metal halide perovskites (MHPs) have gained traction as emitters owing to their excellent optical properties, such as facile bandgap tuning, defect tolerance, and high color purity. Nevertheless, blue-emitting MHP light-emitting diodes (LEDs) show only marginal progress in device efficiency compared with green and red LEDs. Herein, the origin of the drop in efficiency of blue-emitting perovskite nanocrystals (PNCs) by mixing halides and the genesis of Ruddlesden-Popper faults (RPFs) in CsPbBrX Cl3-X nanocrystals is investigated. Using scanning transmission electron microscopy and density functional theory calculations, the authors have found that RPFs induce possible nonradiative recombination pathways owing to the high chloride vacancy concentration nearby. The authors further confirm that the blue-emitting PNCs do not show RPFs post-halide exchange in the CsPbBr3 nanocrystals. By introducing the post-halide exchange treatment, high-efficiency pure blue-emitting (464 nm) PNC-based LEDs with an external quantum efficiency of 2.1% and excellent spectral stability with a full-width at half-maximum of 14 nm are obtained.
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Affiliation(s)
- Ah-Young Lee
- Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan, 44919, Republic of Korea
| | - Jong Hyun Park
- Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan, 44919, Republic of Korea
| | - Hongju Kim
- Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan, 44919, Republic of Korea
| | - Hu Young Jeong
- Graduate School of Semiconductor Materials and Devices Engineering, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan, 44919, Republic of Korea
| | - Jun Hee Lee
- Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan, 44919, Republic of Korea
| | - Myoung Hoon Song
- Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan, 44919, Republic of Korea
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50
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Li W, Cheng B, Xiao P, Chen T, Zhang J, Yu J. Low-Temperature-Processed Monolayer Inverse Opal SnO 2 Scaffold for Efficient Perovskite Solar Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2205097. [PMID: 36310128 DOI: 10.1002/smll.202205097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/28/2022] [Indexed: 06/16/2023]
Abstract
Organic-inorganic halide perovskite solar cells (PSCs) have attracted tremendous attention in the photovoltaic field due to their excellent optical properties and simple fabrication process. However, the recombination of photogenerated electron-hole pairs at the interface severely affects the power conversion efficiency (PCE) of the PSCs. Herein, a monolayer of inverse opal SnO2 (IO-SnO2 ) is synthesized via a template-assisted method and used as a scaffold for perovskite layer (PSK). The porous IO-SnO2 scaffold increases the contact area and shortens the transport distance between the electron transport layer (ETL) and PSK. Ultraviolet photoelectron spectroscopy and Kelvin probe force microscopy results indicate that the built-in electric field is enhanced with IO-SnO2 scaffold, strengthening the driving force for charge separation. Femtosecond transient absorption spectroscopy measurements reveal that the IO-SnO2 scaffold facilitates interfacial electron transfer from PSK to ETL. Based on the above superiorities, the IO-SnO2 -based PSCs exhibit boosted PCE and device stability compared with the pristine PSCs. This work provides insights into the development of novel scaffold layers for high-performance PSCs.
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Affiliation(s)
- Wenjia Li
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Bei Cheng
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Peng Xiao
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Tao Chen
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Jianjun Zhang
- Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China
| | - Jiaguo Yu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
- Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China
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