101
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Qi X, Wang J, Tan F, Dong C, Liu K, Li X, Zhang L, Wu H, Wang HL, Qu S, Wang Z, Wang Z. Quantum Dot Interface-Mediated CsPbIBr 2 Film Growth and Passivation for Efficient Carbon-Based Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2021; 13:55349-55357. [PMID: 34762401 DOI: 10.1021/acsami.1c16290] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
CsPbIxBry-based all-inorganic perovskite materials are a potential candidate for stable semitransparent and tandem structured photovoltaic devices. However, poor film (morphological and crystalline) quality and interfacial recombination lead consequently to a decline in the photoelectric conversion performance of the applied solar cells. In this work, we incorporated PbS quantum dots (QDs) at the interface of electron transporting layer (ETL) SnO2 and perovskite to modulate the crystallization of CsPbIBr2 and the interfacial charge dynamics in carbon-based solar cells. The as-casted PbS QDs behave as seeds for lattice-matching the epitaxial growth of pinhole-free CsPbIBr2 films. The modified films with reduced defect density exhibit facilitated carrier transfer and suppressed charge recombination at the ETL/perovskite interface, contributing to an enhanced device efficiency from 7.00 to 9.09% and increased reproducibility and ambient stability. This strategic method of QD-assisted lattice-matched epitaxial growth is promising to prepare high-quality perovskite films for efficient perovskite solar cells.
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Affiliation(s)
- Xingnan Qi
- Key Laboratory of Photovoltaic Materials, Henan University, Kaifeng, Henan 475004, P. R. China
- The Beijing Key Laboratory for Nano-Photonics and Nano-Structure, Department of Physics, Capital Normal University, Beijing 100048, P. R. China
- Department of Materials Science and Engineering, Southern University of Science and Technology, Xueyuan Avenue 1088, Shenzhen, Guangdong 518055, P. R. China
- Guangdong Provincial Key Laboratory of Energy Materials for Electric Power, Southern University of Science and Technology, Xueyuan Avenue 1088, Shenzhen, Guangdong 518055, P. R. China
| | - Jiantao Wang
- Department of Materials Science and Engineering, Southern University of Science and Technology, Xueyuan Avenue 1088, Shenzhen, Guangdong 518055, P. R. China
- Guangdong Provincial Key Laboratory of Energy Materials for Electric Power, Southern University of Science and Technology, Xueyuan Avenue 1088, Shenzhen, Guangdong 518055, P. R. China
- Department of Chemistry, Hong Kong University of Science and Technology, Clear Water Bay Road, Hong Kong 999077, P. R. China
| | - Furui Tan
- Key Laboratory of Photovoltaic Materials, Henan University, Kaifeng, Henan 475004, P. R. China
| | - Chen Dong
- Key Laboratory of Photovoltaic Materials, Henan University, Kaifeng, Henan 475004, P. R. China
| | - Kong Liu
- Key Laboratory of Semiconductor Materials Science, Beijing Key Laboratory of Low Dimensional Semiconductor Materials and Devices, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, P. R. China
| | - Xiaobao Li
- School of Civil Engineering, Hefei University of Technology, Hefei, Anhui 230009, P. R. China
| | - Lisheng Zhang
- The Beijing Key Laboratory for Nano-Photonics and Nano-Structure, Department of Physics, Capital Normal University, Beijing 100048, P. R. China
| | - Hongkai Wu
- Department of Chemistry, Hong Kong University of Science and Technology, Clear Water Bay Road, Hong Kong 999077, P. R. China
| | - Hsing-Lin Wang
- Department of Materials Science and Engineering, Southern University of Science and Technology, Xueyuan Avenue 1088, Shenzhen, Guangdong 518055, P. R. China
- Guangdong Provincial Key Laboratory of Energy Materials for Electric Power, Southern University of Science and Technology, Xueyuan Avenue 1088, Shenzhen, Guangdong 518055, P. R. China
| | - Shengchun Qu
- Key Laboratory of Semiconductor Materials Science, Beijing Key Laboratory of Low Dimensional Semiconductor Materials and Devices, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, P. R. China
| | - Zhanguo Wang
- Key Laboratory of Semiconductor Materials Science, Beijing Key Laboratory of Low Dimensional Semiconductor Materials and Devices, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, P. R. China
| | - Zhijie Wang
- Key Laboratory of Semiconductor Materials Science, Beijing Key Laboratory of Low Dimensional Semiconductor Materials and Devices, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, P. R. China
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102
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Gu X, Xiang W, Tian Q, Liu SF. Rational Surface-Defect Control via Designed Passivation for High-Efficiency Inorganic Perovskite Solar Cells. Angew Chem Int Ed Engl 2021; 60:23164-23170. [PMID: 34405503 DOI: 10.1002/anie.202109724] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Indexed: 11/06/2022]
Abstract
Iodine vacancies (VI ) and undercoordinated Pb2+ on the surface of all-inorganic perovskite films are mainly responsible for nonradiative charge recombination. An environmentally benign material, histamine (HA), is used to passivate the VI in perovskite films. A theoretical study shows that HA bonds to the VI on the surface of the perovskite film via a Lewis base-acid interaction; an additional hydrogen bond (H-bond) strengthens such interaction owing to the favorable molecular configuration of HA. Undercoordinated Pb2+ and Pb clusters are passivated, leading to significantly reduced surface trap density and prolonged charge lifetime within the perovskite films. HA passivation also induces an upward shift of the energy band edge of the perovskite layer, facilitating interfacial hole transfer. The combination of the above raises the solar cell efficiency from 19.5 to 20.8 % under 100 mW cm-2 illumination, the highest efficiency so far for inorganic metal halide perovskite solar cells (PSCs).
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Affiliation(s)
- Xiaojing Gu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Wanchun Xiang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Qingwen Tian
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Shengzhong Frank Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, 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;, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
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103
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Lan W, Chen D, Guo Q, Tian B, Xie X, He Y, Chai W, Liu G, Dong P, Xi H, Zhu W, Zhang C. Performance Enhancement of All-Inorganic Carbon-Based CsPbIBr 2 Perovskite Solar Cells Using a Moth-Eye Anti-Reflector. NANOMATERIALS 2021; 11:nano11102726. [PMID: 34685177 PMCID: PMC8538339 DOI: 10.3390/nano11102726] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/11/2021] [Accepted: 10/13/2021] [Indexed: 11/16/2022]
Abstract
All-inorganic carbon-based CsPbIBr2 perovskite solar cells (PSCs) have attracted increasing interest due to the low cost and the balance between bandgap and stability. However, the relatively narrow light absorption range (300 to 600 nm) limited the further improvement of short-circuit current density (JSC) and power conversion efficiency (PCE) of PSCs. Considering the inevitable reflectance loss (~10%) at air/glass interface, we prepared the moth-eye anti-reflector by ultraviolet nanoimprint technology and achieved an average reflectance as low as 5.15%. By attaching the anti-reflector on the glass side of PSCs, the JSC was promoted by 9.4% from 10.89 mA/cm2 to 11.91 mA/cm2, which is the highest among PSCs with a structure of glass/FTO/c-TiO2/CsPbIBr2/Carbon, and the PCE was enhanced by 9.9% from 9.17% to 10.08%. The results demonstrated that the larger JSC induced by the optical reflectance modulation of moth-eye anti-reflector was responsible for the improved PCE. Simultaneously, this moth-eye anti-reflector can withstand a high temperature up to 200 °C, and perform efficiently at a wide range of incident angles from 40° to 90° and under various light intensities. This work is helpful to further improve the performance of CsPbIBr2 PSCs by optical modulation and boost the possible application of wide-range-wavelength anti-reflector in single and multi-junction solar cells.
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Affiliation(s)
- Wensheng Lan
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, Xi’an 710071, China; (W.L.); (Q.G.); (B.T.); (Y.H.); (W.C.); (H.X.); (W.Z.)
| | - Dazheng Chen
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, Xi’an 710071, China; (W.L.); (Q.G.); (B.T.); (Y.H.); (W.C.); (H.X.); (W.Z.)
- Correspondence: (D.C.); (C.Z.)
| | - Qirui Guo
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, Xi’an 710071, China; (W.L.); (Q.G.); (B.T.); (Y.H.); (W.C.); (H.X.); (W.Z.)
| | - Baichuan Tian
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, Xi’an 710071, China; (W.L.); (Q.G.); (B.T.); (Y.H.); (W.C.); (H.X.); (W.Z.)
| | - Xiaoping Xie
- Qinghai Huanghe Hydropower Development Co., Ltd., Xining 810008, China; (X.X.); (G.L.); (P.D.)
| | - Yibing He
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, Xi’an 710071, China; (W.L.); (Q.G.); (B.T.); (Y.H.); (W.C.); (H.X.); (W.Z.)
| | - Wenming Chai
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, Xi’an 710071, China; (W.L.); (Q.G.); (B.T.); (Y.H.); (W.C.); (H.X.); (W.Z.)
| | - Gang Liu
- Qinghai Huanghe Hydropower Development Co., Ltd., Xining 810008, China; (X.X.); (G.L.); (P.D.)
| | - Peng Dong
- Qinghai Huanghe Hydropower Development Co., Ltd., Xining 810008, China; (X.X.); (G.L.); (P.D.)
| | - He Xi
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, Xi’an 710071, China; (W.L.); (Q.G.); (B.T.); (Y.H.); (W.C.); (H.X.); (W.Z.)
| | - Weidong Zhu
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, Xi’an 710071, China; (W.L.); (Q.G.); (B.T.); (Y.H.); (W.C.); (H.X.); (W.Z.)
| | - Chunfu Zhang
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, Xi’an 710071, China; (W.L.); (Q.G.); (B.T.); (Y.H.); (W.C.); (H.X.); (W.Z.)
- Correspondence: (D.C.); (C.Z.)
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104
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Wang P, Li W, Sandberg OJ, Guo C, Sun R, Wang H, Li D, Zhang H, Cheng S, Liu D, Min J, Armin A, Wang T. Tuning of the Interconnecting Layer for Monolithic Perovskite/Organic Tandem Solar Cells with Record Efficiency Exceeding 21. NANO LETTERS 2021; 21:7845-7854. [PMID: 34505789 DOI: 10.1021/acs.nanolett.1c02897] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The photovoltaic performance of inorganic perovskite solar cells (PSCs) still lags behind the organic-inorganic hybrid PSCs due to limited light absorption of wide bandgap CsPbI3-xBrx under solar illumination. Constructing tandem devices with organic solar cells can effectively extend light absorption toward the long-wavelength region and reduce radiative photovoltage loss. Herein, we utilize wide-bandgap CsPbI2Br semiconductor and narrow-bandgap PM6:Y6-BO blend to fabricate perovskite/organic tandem solar cells with an efficiency of 21.1% and a very small tandem open-circuit voltage loss of 0.06 V. We demonstrate that the hole transport material of the interconnecting layers plays a critical role in determining efficiency, with polyTPD being superior to PBDB-T-Si and D18 due to its low parasitic absorption, sufficient hole mobility and quasi-Ohmic contact to suppress charge accumulation and voltage loss within the tandem device. These perovskite/organic tandem devices also display superior storage, thermal and ultraviolet stabilities.
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Affiliation(s)
- Pang Wang
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, China
| | - Wei Li
- Sustainable Advanced Materials (Sêr SAM), Department of Physics, Swansea University, Singleton Park, Swansea, Wales SA2 8PP, U.K
| | - Oskar J Sandberg
- Sustainable Advanced Materials (Sêr SAM), Department of Physics, Swansea University, Singleton Park, Swansea, Wales SA2 8PP, U.K
| | - Chuanhang Guo
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, China
| | - Rui Sun
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
| | - Hui Wang
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, China
| | - Donghui Li
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, China
| | - Huijun Zhang
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, China
| | - Shili Cheng
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, China
| | - Dan Liu
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, China
| | - Jie Min
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
| | - Ardalan Armin
- Sustainable Advanced Materials (Sêr SAM), Department of Physics, Swansea University, Singleton Park, Swansea, Wales SA2 8PP, U.K
| | - Tao Wang
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, China
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105
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Repair Strategies for Perovskite Solar Cells. Chem Res Chin Univ 2021. [DOI: 10.1007/s40242-021-1334-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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106
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Gu X, Xiang W, Tian Q, Liu S(F. Rational Surface‐Defect Control via Designed Passivation for High‐Efficiency Inorganic Perovskite Solar Cells. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202109724] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xiaojing Gu
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education Shaanxi Key Laboratory for Advanced Energy Devices Shaanxi Engineering Lab for Advanced Energy Technology School of Materials Science and Engineering Shaanxi Normal University Xi'an 710119 China
| | - Wanchun Xiang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education Shaanxi Key Laboratory for Advanced Energy Devices Shaanxi Engineering Lab for Advanced Energy Technology School of Materials Science and Engineering Shaanxi Normal University Xi'an 710119 China
| | - Qingwen Tian
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education Shaanxi Key Laboratory for Advanced Energy Devices Shaanxi Engineering Lab for Advanced Energy Technology School of Materials Science and Engineering Shaanxi Normal University Xi'an 710119 China
| | - Shengzhong (Frank) Liu
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education Shaanxi Key Laboratory for Advanced Energy Devices 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;, iChEM Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 China
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107
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Shen S, Wu T, Xue J, Li H, Chen Q, Cheng H, Wu L, Qian J. A smart material built upon the photo-thermochromic effect and its use for managing indoor temperature. Chem Commun (Camb) 2021; 57:8628-8631. [PMID: 34369510 DOI: 10.1039/d1cc03379d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We demonstrate a material by dispersing a thermochromic mixture of leuco dye, developer, and solvent as microspheres in a polymer matrix to improve the efficiency of building energy management. The smart, photo-thermochromic film can automatically switch between a colored and colorless state in response to climate temperature and light to realize photothermal heating and cooling.
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Affiliation(s)
- Song Shen
- School of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
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108
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Ding C, Chen X, Zhang T, Zhou C, Liu X, Wang J, Lin J, Chen X. Electrochemical synthesis of annealing-free and highly stable black-phase CsPbI 3 perovskite. Chem Commun (Camb) 2021; 57:8981-8984. [PMID: 34486627 DOI: 10.1039/d1cc03661k] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
All-inorganic CsPbI3 halide perovskite has become a hot research topic for applications in next-generation optoelectronic devices. However, the main limitations are the high-temperature synthesis and poor phase stability. In this study, we demonstrate a unique solution-phase strategy for the low-temperature preparation of black-phase CsPbI3 by in situ electrochemistry. By controllable adjustment of the electrochemical growth process, annealing-free black-phase CsPbI3 can be synthesized. The black-phase CsPbI3 showed high-purity red photoluminescence at approximately 690 nm with ultra-high environmental stability for up to 11 days at a high relative humidity of 70%. The underlying mechanisms of the formation of the highly stable black-phase CsPbI3 at room temperature have been discussed in this study. The results provide a new platform for the large scale, low-temperature, and convenient synthesis of black-phase CsPbI3 perovskite.
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Affiliation(s)
- Chuyun Ding
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai 200090, China.
| | - Xi Chen
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai 200090, China.
| | - Tianju Zhang
- Laboratory of Micro-Nano Optoelectronic Materials and Devices, Key Laboratory of Materials for High-Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China. .,Center of Materials Science and Optoelectronic Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chaocheng Zhou
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai 200090, China. .,State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiaolin Liu
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai 200090, China.
| | - Jun Wang
- Laboratory of Micro-Nano Optoelectronic Materials and Devices, Key Laboratory of Materials for High-Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China. .,Center of Materials Science and Optoelectronic Engineering, University of Chinese Academy of Sciences, Beijing 100049, China.,CAS Center for Excellence in Ultra-intense Laser Science, Shanghai 201800, China
| | - Jia Lin
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai 200090, China.
| | - Xianfeng Chen
- State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China.,Collaborative Innovation Center of Light Manipulation and Applications, Shandong Normal University, Jinan 250358, China
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109
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Xiang W, Liu SF, Tress W. Interfaces and Interfacial Layers in Inorganic Perovskite Solar Cells. Angew Chem Int Ed Engl 2021; 60:26440-26453. [PMID: 34478217 DOI: 10.1002/anie.202108800] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Indexed: 11/09/2022]
Abstract
Owing to their superior thermal stability, metal halide inorganic perovskite materials continue to attract interest for photovoltaics applications. The highest reported power conversion efficiency (PCE) for solar cells based on inorganic perovskites is over 20 %. As this PCE corresponds to 73 % of the theoretical limit, there remains more room for further improving the device PCEs than for improving organic-inorganic hybrid perovskite solar cells (PSCs). The main loss is in the photovoltage, which is limited by interfaces in terms of non-radiative recombination caused by traps and energy-level mismatch. Furthermore, inefficient charge extraction at interfacial contacts reduces the photocurrent and fill factor. This Minireview summarizes the recent developments in the fundamental understanding of how the interfaces and interfacial layers influence the performance of solar cells based on inorganic perovskite absorbers. An outlook for the development of highly efficient and stable inorganic PSCs from the interface point of view is also given.
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Affiliation(s)
- Wanchun Xiang
- Key Laboratory for Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science &Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Shengzhong Frank Liu
- Key Laboratory for Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science &Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Wolfgang Tress
- Institute of Computational Physics, Zurich University of Applied Sciences, Wildbachstr. 21, 8401, Winterthur, Switzerland
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110
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Li H, Hao X, Chang B, Li Z, Wang L, Pan L, Chen X, Yin L. Stiffening the Pb-X Framework through a π-Conjugated Small-Molecule Cross-Linker for High-Performance Inorganic CsPbI 2Br Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2021; 13:40489-40501. [PMID: 34405676 DOI: 10.1021/acsami.1c06533] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Inorganic CsPbI2Br perovskites have witnessed incredible advances as a promising representative for translucent and tandem solar cells, but unfortunately, they are still plagued by serious energy losses and undesired phase instability. Herein, a new type of π-conjugated small molecule of 4-guanidinobenzoic-acid-hydrochloride (4-GBACl) is demonstrated to effectively cross-link the Pb-X framework of perovskites. The strong coordination between 4-GBACl and the [PbX6]4- octahedron of perovskites effectively stiffens the Pb-X framework to suppress the ion migration, thus stabilizing the perovskite phase structure against light and thermal conditions. Apart from the physical barrier for phase instability resulting from the hydrophobic benzene ring at grain boundaries (GBs), guanidinium cations and -COOH and Cl- groups can simultaneously afford the passivation of positively and negatively charged defects at the GBs and surface, including undercoordinated halide species and undercoordinated Pb2+ ions, thereby effectively inhibiting the charge trapping/recombination centers. Two-dimensional confocal-fluorescence mapping images provide a visualized sight into the significantly suppressed nonradiative recombination and the prolonged carrier lifetime. It is suggested that the 4-GBACl additive plays multiple roles in grain cross-linking to regulate crystallization, distinctly reducing the trap-state density, ion migration inhibition, and moisture barrier in CsPbI2Br films. Consequently, the 4-GBACl-treated device exhibits a champion power conversion efficiency (PCE) of 15.59% accompanied with a considerably improved Voc of 1.28 V and maintains 88% of the initial PCE value after 1200 h aging under 20% relative humidity.
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Affiliation(s)
- Hui Li
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan 250061, P. R.China
| | - Xiaotao Hao
- State Key Laboratory of Crystal Materials, School of Physics, Shandong University, Jinan 250100, P. R.China
| | - Bohong Chang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan 250061, P. R.China
| | - Zihao Li
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan 250061, P. R.China
| | - Lian Wang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan 250061, P. R.China
| | - Lu Pan
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan 250061, P. R.China
| | - Xihan Chen
- Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen 518055, P. R.China
| | - Longwei Yin
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan 250061, P. R.China
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111
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Zhang C, Feng X, Song Q, Zhou C, Peng L, Chen J, Liu X, Chen H, Lin J, Chen X. Blue-Violet Emission with Near-Unity Photoluminescence Quantum Yield from Cu(I)-Doped Rb 3InCl 6 Single Crystals. J Phys Chem Lett 2021; 12:7928-7934. [PMID: 34387495 DOI: 10.1021/acs.jpclett.1c01751] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Low-dimensional metal halides have attracted considerable attention due to their unique optoelectronic properties. In this study, we report a solid-state synthesis of air-stable all-inorganic Pb-free zero-dimensional (0D) Rb3InCl6 single crystals (SCs). By a heterovalent doping of Cu+ ions, the Rb3InCl6:Cu+ SCs featured an efficient blue-violet emission with a greatly enhanced photoluminescence (PL) quantum yield (95%) and an ultralong PL lifetime (13.95 μs). Combined with temperature-dependent PL and density functional theory calculations, we conclude that the efficient electronic isolation, enhanced exciton-phonon coupling, and electronic structure modulation after doping lead to bright blue-violet emission. Furthermore, the SCs exhibited excellent stability, maintaining 90% of the initial PL intensity after being stored in ambient conditions for more than two months. The results provide a new strategy for improving the optoelectronic properties of 0D all-inorganic metal halides, which is promising for potential light-emitting applications.
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Affiliation(s)
- Chao Zhang
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai 200090, China
| | - Xuezhen Feng
- State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Qilin Song
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai 200090, China
| | - Chaocheng Zhou
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai 200090, China
- State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Lin Peng
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai 200090, China
| | - Jing Chen
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai 200090, China
| | - Xiaolin Liu
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai 200090, China
| | - Hong Chen
- State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Jia Lin
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai 200090, China
| | - Xianfeng Chen
- State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
- Collaborative Innovation Center of Light Manipulation and Applications, Shandong Normal University, Jinan 250358, China
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112
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Mazumdar S, Zhao Y, Zhang X. Stability of Perovskite Solar Cells: Degradation Mechanisms and Remedies. FRONTIERS IN ELECTRONICS 2021. [DOI: 10.3389/felec.2021.712785] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Inorganic–organic metal halide perovskite light harvester-based perovskite solar cells (PSCs) have come to the limelight of solar cell research due to their rapid growth in efficiency. At present, stability and reliability are challenging aspects concerning the Si-based or thin film-based commercial devices. Commercialization of perovskite solar cells remains elusive due to the lack of stability of these devices under real operational conditions, especially for longer duration use. A large number of researchers have been engaged in an ardent effort to improve the stability of perovskite solar cells. Understanding the degradation mechanisms has been the primary importance before exploring the remedies for degradation. In this review, a methodical understanding of various degradation mechanisms of perovskites and perovskite solar cells is presented followed by a discussion on different steps taken to overcome the stability issues. Recent insights on degradation mechanisms are discussed. Various approaches of stability enhancement are reviewed with an emphasis on reports that complied with the operational standard for practical application in a commercial solar module. The operational stability standard enacted by the International Electrotechnical Commission is especially discussed with reports that met the requirements or showed excellent results, which is the most important criterion to evaluate a device’s actual prospect to be utilized for practical applications in commercial solar modules. An overall understanding of degradation pathways in perovskites and perovskite solar cells and steps taken to overcome those with references including state-of-the-art devices with promising operational stability can be gained from this review.
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Sun Y, Zhang H, Zhu K, Ye W, She L, Gao X, Ji W, Zeng Q. Research on the influence of polar solvents on CsPbBr 3 perovskite QDs. RSC Adv 2021; 11:27333-27337. [PMID: 35480687 PMCID: PMC9037818 DOI: 10.1039/d1ra04485k] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 07/28/2021] [Indexed: 11/21/2022] Open
Abstract
All-inorganic CsPbX3 (X = Cl, Br, I) perovskite quantum dots (QDs) have become a kind of optoelectronic material with huge application prospects due to their excellent physical and optical properties. However, their poor structural stability to the external environment, especially polar solvents, seriously hinder further development in practical applications. Considering whether polar solvents have the same effects on perovskites QDs, few studies have been investigated in this area presently. In order to find out the effect of different polar solvents on all-inorganic perovskite QDs, in this work, we select 12 kinds of polar solvents of methanol, ethanol, isopropanol, 1-butanol, 1-pentanol, 1-octanol, N,N-dimethylformamide (DMF), tetramethylethylenediamine (TMEDA), ethyl acetate, n-butyl acetate, dibutyl phthalate and acetone for a specific analysis. The characterization of their morphology, optical and physicochemical properties shows that different polar solvents have different effects on all-inorganic perovskite QDs, but their effects are regular. Polar solvents act on the ligands preferentially, and the effects can be divided into: reducing the concentration of ligands; substituting ligands partially; completely destroying the surface ligands; polar solvents with the same functional group, as the polarity of the solvent increases, the impact on all-inorganic perovskite QDs is greater. We believe that this discovery has important implications for improving the stability of all-inorganic perovskite QDs.
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Affiliation(s)
- Yifang Sun
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences Dong_Nanhu Road 3888 Changchun 130033 P. R. China .,University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Huidan Zhang
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences Dong_Nanhu Road 3888 Changchun 130033 P. R. China .,University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Kai Zhu
- Innovation Practice Center, Changchun University of Chinese Medicine Changchun 130017 P. R. China
| | - Weiguang Ye
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences Dong_Nanhu Road 3888 Changchun 130033 P. R. China
| | - Lushuang She
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences Dong_Nanhu Road 3888 Changchun 130033 P. R. China .,University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Ximing Gao
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences Dong_Nanhu Road 3888 Changchun 130033 P. R. China .,University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Wenyu Ji
- Key Lab of Physics and Technology for Advanced Batteries (Ministry of Education), Department of Physics, Jilin University Changchun 130012 P. R. China
| | - Qinghui Zeng
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences Dong_Nanhu Road 3888 Changchun 130033 P. R. China
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Steele JA, Prakasam V, Huang H, Solano E, Chernyshov D, Hofkens J, Roeffaers MBJ. Trojans That Flip the Black Phase: Impurity-Driven Stabilization and Spontaneous Strain Suppression in γ-CsPbI 3 Perovskite. J Am Chem Soc 2021; 143:10500-10508. [PMID: 34196547 DOI: 10.1021/jacs.1c05046] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The technological progress and widespread adoption of all-organic CsPbI3 perovskite devices is hampered by its thermodynamic instability at room temperature. Because of its inherent tolerance toward deep trap formation, there has been no shortage to exploring which dopants can improve the phase stability. While the relative size of the dopant is important, an assessment of the literature suggests that its relative size and impact on crystal volume do not always reveal what will beneficially shift the phase transition temperature. In this perspective, we analyze the changes in crystal symmetry of CsPbI3 perovskite as it transforms from a thermodynamically stable high-temperature cubic (α) structure into its distorted low-temperature tetragonal (β) and unstable orthorhombic (γ) perovskite structures. Quantified assessment of the symmetry-adapted strains which are introduced due to changes in temperature and composition show that the stability of γ-CsPbI3 is best rationalized from the point of view of crystal symmetry. In particular, improved thermal-phase stability is directly traced to the suppression of spontaneous strain formation and increased crystal symmetry at room temperature.
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Affiliation(s)
- Julian A Steele
- cMACS, Department of Microbial and Molecular Systems, KU Leuven, 3001 Leuven, Belgium
| | - Vittal Prakasam
- cMACS, Department of Microbial and Molecular Systems, KU Leuven, 3001 Leuven, Belgium
| | - Haowei Huang
- cMACS, Department of Microbial and Molecular Systems, KU Leuven, 3001 Leuven, Belgium
| | - Eduardo Solano
- NCD-SWEET Beamline, ALBA Synchrotron Light Source, 08290, Cerdanyola del Vallès, Barcelona, Spain
| | - Dmitry Chernyshov
- Swiss-Norwegian Beamlines at the European Synchrotron Radiation Facility, 71 Avenue des Martyrs, F-38000 Grenoble, France
| | - Johan Hofkens
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, Leuven, 3001, Belgium.,Max Plank Institute for Polymer Research, Mainz, D-55128, Germany
| | - Maarten B J Roeffaers
- cMACS, Department of Microbial and Molecular Systems, KU Leuven, 3001 Leuven, Belgium
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Ergoktas MS, Bakan G, Kovalska E, Le Fevre LW, Fields RP, Steiner P, Yu X, Salihoglu O, Balci S, Fal’ko VI, Novoselov K, Dryfe RAW, Kocabas C. Multispectral Graphene-Based Electro-Optical Surfaces with Reversible Tunability from Visible to Microwave Wavelengths. NATURE PHOTONICS 2021; 15:493-498. [PMID: 34221110 PMCID: PMC7611111 DOI: 10.1038/s41566-021-00791-1] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 03/03/2021] [Indexed: 05/20/2023]
Abstract
Optical materials with colour-changing abilities have been explored for display devices1, smart windows2,3, or modulation of visual appearance4-6. The efficiency of these materials, however, has strong wavelength dependence, which limits their functionality to a specific spectral range. Here, we report graphene-based electro-optical devices with unprecedented optical tunability covering the entire electromagnetic spectrum from the visible to microwave. We achieve this non-volatile and reversible tunability by electro-intercalation of lithium into graphene layers in an optically accessible device structure. This unique colour-changing capability, together with area-selective intercalation, inspires fabrication of new multispectral devices, including display devices and electro-optical camouflage coating. We anticipate that these results provide realistic approaches for programmable smart optical surfaces with a potential utility in many scientific and engineering fields such as active plasmonics and adaptive thermal management.
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Affiliation(s)
- M. Said Ergoktas
- Department of Materials, University of Manchester, Manchester, M13 9PL, UK
- National Graphene Institute, University of Manchester, Manchester, M13 9PL, UK
| | - Gokhan Bakan
- Department of Materials, University of Manchester, Manchester, M13 9PL, UK
- National Graphene Institute, University of Manchester, Manchester, M13 9PL, UK
| | | | - Lewis W. Le Fevre
- National Graphene Institute, University of Manchester, Manchester, M13 9PL, UK
- Department of Chemistry, University of Manchester, Manchester, M13 9PL, UK
- Department of Electrical and Electronic Engineering, University of Manchester, Manchester, M13 9PL, UK
| | - Richard P. Fields
- National Graphene Institute, University of Manchester, Manchester, M13 9PL, UK
| | - Pietro Steiner
- Department of Materials, University of Manchester, Manchester, M13 9PL, UK
- National Graphene Institute, University of Manchester, Manchester, M13 9PL, UK
| | - Xiaoxiao Yu
- Department of Materials, University of Manchester, Manchester, M13 9PL, UK
- National Graphene Institute, University of Manchester, Manchester, M13 9PL, UK
| | - Omer Salihoglu
- Department of Physics, Bilkent University, Ankara, Turkey
| | - Sinan Balci
- Department of Photonics, Izmir Institute of Technology, Izmir, Turkey
| | - Vladimir I. Fal’ko
- National Graphene Institute, University of Manchester, Manchester, M13 9PL, UK
- Department of Physics and Astronomy, University of Manchester, Manchester, M13 9PL, UK
- Henry Royce Institute for Advanced Materials, University of Manchester, Manchester, M13 9PL, UK
| | - Kostya Novoselov
- National Graphene Institute, University of Manchester, Manchester, M13 9PL, UK
- Department of Physics and Astronomy, University of Manchester, Manchester, M13 9PL, UK
| | - Robert A. W. Dryfe
- National Graphene Institute, University of Manchester, Manchester, M13 9PL, UK
- Department of Chemistry, University of Manchester, Manchester, M13 9PL, UK
- Henry Royce Institute for Advanced Materials, University of Manchester, Manchester, M13 9PL, UK
| | - Coskun Kocabas
- Department of Materials, University of Manchester, Manchester, M13 9PL, UK
- National Graphene Institute, University of Manchester, Manchester, M13 9PL, UK
- Henry Royce Institute for Advanced Materials, University of Manchester, Manchester, M13 9PL, UK
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116
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He Q, Chen G, Wang Y, Liu X, Xu D, Xu X, Liu Y, Bao J, Wang X. CsPbX 3 -ITO (X = Cl, Br, I) Nano-Heterojunctions: Voltage Tuned Positive to Negative Photoresponse. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2101403. [PMID: 34106510 DOI: 10.1002/smll.202101403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/06/2021] [Indexed: 06/12/2023]
Abstract
All-Inorganic perovskite CsPbX3 (X = Cl, Br, I) quantum dots (QDs) have attracted tremendous attention in the past few years for their appealing performance in optoelectronic applications. Major properties of CsPbX3 QDs include the positive photoconductivity (PPC) and the defect tolerance of the in-band trap states. Here it is reported that when hybridizing CsPbX3 QDs with indium tin oxide (ITO) nanocrystals to form CsPbX3 -ITO nano-heterojunctions (NHJs), a voltage tuned photoresponse-from PPC to negative photoconductivity (NPC) transform-is achieved in lateral drain-source structured ITO/CsPbX3 -ITO-NHJs/ITO devices. A model combining exciton, charge separation, transport, and most critical the voltage driven electron filling of the in-band trap states with drain-source voltage (VDS ) above a threshold, is proposed to understand this unusual PPC-NPC transform mechanism, which is different from that of any known nanomaterial system. This finding exhibits potentials for developing devices such as photodetectors, optoelectronic switches, and memories.
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Affiliation(s)
- Qiqian He
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210046, P. R. China
| | - Gaoyu Chen
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210046, P. R. China
| | - Yongkai Wang
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210046, P. R. China
| | - Xiaoyu Liu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210046, P. R. China
| | - Danting Xu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210046, P. R. China
| | - Xiangxing Xu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210046, P. R. China
| | - Ying Liu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210046, P. R. China
| | - Jianchun Bao
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210046, P. R. China
| | - Xun Wang
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University Beijing, Beijing, 100084, P. R. China
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117
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Yu SK, Zhang ZR, Ren ZH, Zhai HL, Zhu QY, Dai J. 2D Lead Iodide Perovskite with Mercaptan-Containing Amine and Its Exceptional Water Stability. Inorg Chem 2021; 60:9132-9140. [PMID: 34081433 DOI: 10.1021/acs.inorgchem.1c01106] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Two dimensional (2D) hybrid perovskites have attracted a great deal of interest because of their appropriate photovoltaic efficiency and environmental stability. Although some 2D hybrid perovskites with sulfur-containing amines have been reported, the cation having the mercaptan group has not been well explored yet. In this work, cysteamine (Cya, HS(CH2)2NH2), a mercaptan-containing amine, was introduced into 2D hybrid perovskite. Two 2D lead iodides with different structures, (HCya)2PbI4 (1) and (HCya)7Pb4I15 (2), were isolated as a red low-temperature phase and a yellow high-temperature phase, respectively. X-ray single-crystal structural analysis showed that the red phase 1 is a single layered corner-shared perovskite and that the yellow phase 2 is a corner/edge-shared quasi-2D perovskite. A thermo-induced reversible 1 to 2 phase transition was found in this synthetic system. The configuration of HCya cation greatly influences the crystallization equilibrium, generating different structures of the lead halides. The single-crystal structure of 1 is discussed in comparison with that of (HAE)2PbI4 (AE = HO(CH2)2NH2), an analogue of 1. The different effects of OH and SH groups on the 2D frameworks are studied based on their hydrogen bonding properties. More remarkably, although the two perovskites have similar structures, the (HCya)2PbI4 (1) has an intrinsic water stability that is much more stable than (HAE)2PbI4, which should be attributed to the affinity of the SH group with lead on the surface of the lead halide.
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Affiliation(s)
- Shuai-Kang Yu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Zhi-Ruo Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Zhou-Hong Ren
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Hang-Ling Zhai
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Qin-Yu Zhu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Jie Dai
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
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Zhong Y, Wang Y, Zhou Y, He Q, Ge S, Liu X, Xu R, Feng S. Fabrication of FTO/PNIPAm/FTO Electrical‐Thermal Dual‐Response Smart Window for Solar Radiation Management in the Full Temperature Range**. ChemistrySelect 2021. [DOI: 10.1002/slct.202101124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yangyang Zhong
- School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 China
| | - Yongjuan Wang
- School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 China
| | - Yuming Zhou
- School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 China
- Jiangsu Optoelectronic Functional Materials and Engineering Laboratory Nanjing 211189 China
| | - Qiang He
- School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 China
| | - Sujuan Ge
- School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 China
| | - Xiaolin Liu
- School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 China
| | - Ran Xu
- School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 China
| | - Shuangjiang Feng
- School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 China
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119
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Full-frame and high-contrast smart windows from halide-exchanged perovskites. Nat Commun 2021; 12:3360. [PMID: 34099690 PMCID: PMC8184980 DOI: 10.1038/s41467-021-23701-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 04/29/2021] [Indexed: 11/18/2022] Open
Abstract
Window glazing plays an essential role to modulate indoor light and heat transmission, which is a prospect to save the energy cost in buildings. The latest photovoltachromic technology has been regarded as one of the most ideal solutions, however, to achieve full-frame size (100% active area) and high-contrast ratio (>30% variable in visible wavelength) for smart window applicability is still a challenge. Here we report a photovoltachromic device combining full-transparent perovskite photovoltaic and ion-gel based electrochromic components in a vertical tandem architecture without any intermediated electrode. Most importantly, by accurately adjusting the halide-exchanging period, this photovoltachromic module can realize a high pristine transmittance up to 76%. Moreover, it possesses excellent colour-rendering index to 96, wide contrast ratio (>30%) on average visible transmittance (400-780 nm), and a self-adaptable transmittance adjustment and control indoor brightness and temperature automatically depending on different solar irradiances. Window glazing plays a crucial role in modulating indoor light and heat transmission, which is beneficial for energy saving. Here, Liu et al. report a full-frame and high-contrast smart windows made of perovskite photovoltaic and ion-gel electrochromic components to realise self-adjusting brightness and temperature regulator.
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120
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Dong H, Kareem S, Gong X, Ruan J, Gao P, Zhou X, Liu X, Zhao X, Xie Y. Water-Triggered Transformation of Ligand-Free Lead Halide Perovskite Nanocrystal-Embedded Pb(OH)Br with Ultrahigh Stability. ACS APPLIED MATERIALS & INTERFACES 2021; 13:23960-23969. [PMID: 33974393 DOI: 10.1021/acsami.1c06627] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Lead halide perovskite (LHP) nanomaterials have attracted tremendous attention owing to their remarkable optoelectronic properties. However, they are extremely unstable under moist environments, high temperatures, and light illumination due to their intrinsic structural lability, which has been the critical unsolved problem for practical applications. To address this issue, we propose a facile and environmentally friendly ligand-free approach to design and synthesize rod-like CsPb2Br5-embedded Pb(OH)Br with excellent stability under various harsh environments such as soaking in water, heating, and ultraviolet (UV) illumination. Plate-like CsPbBr3- and Cs4PbBr6-embedded Pb(OH)Br powders are first formed by evaporating the solvent in a dispersion of ethanol (or methanol, isopropanol), Cs2CO3, and PbBr2. Upon soaking in water, the plate-like sample undergoes phase transformation from CsPbBr3 and Cs4PbBr6 to CsPb2Br5 and shape conversion from nanoplate to a microrod, leading to the formation of rod-like CsPb2Br5-embedded Pb(OH)Br. The stable Pb(OH)Br coating effectively prevents the luminescent CsPb2Br5 nanocrystals from reacting with water, leading to extremely high aqueous stability of the CsPb2Br5-embedded Pb(OH)Br. The photoluminescence (PL) intensity of the representative CsPb2Br5-embedded Pb(OH)Br sample can maintain 92.2% of the initial PL intensity value even after soaking in room-temperature water for 165 days; in the meantime, the phase and shape are preserved. The typical sample also shows outstanding stability under hot water, UV illumination, and annealing conditions. The ultrahigh aqueous stability, thermal stability, and photostability of the CsPb2Br5-embedded Pb(OH)Br nanomaterials suggest an effective, facile, and environmentally friendly technique to grow perovskite-based nanomaterials for promising practical applications in the optoelectronic field.
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Affiliation(s)
- Hao Dong
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, No. 122, Luoshi Road, Wuhan 430070, P. R. China
| | - Shefiu Kareem
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, No. 122, Luoshi Road, Wuhan 430070, P. R. China
| | - Xiao Gong
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, No. 122, Luoshi Road, Wuhan 430070, P. R. China
| | - Jian Ruan
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, No. 122, Luoshi Road, Wuhan 430070, P. R. China
| | - Peng Gao
- Laboratory of Advanced Functional Materials, Xiamen Institute of Rare-earth Materials, Chinese Academy of Science, No 1300 Jimei Road, Jimei District, 361021 Xiamen, Fujian, P. R. China
| | - Xuedong Zhou
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, No. 122, Luoshi Road, Wuhan 430070, P. R. China
| | - Xiaoqing Liu
- Center for Materials Research & Testing, Wuhan University of Technology, Wuhan, Hubei 430070, P. R. China
| | - Xiujian Zhao
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, No. 122, Luoshi Road, Wuhan 430070, P. R. China
| | - Yi Xie
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, No. 122, Luoshi Road, Wuhan 430070, P. R. China
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121
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Owczarek M, Szklarz P, Jakubas R. Towards ferroelectricity-inducing chains of halogenoantimonates(iii) and halogenobismuthates(iii). RSC Adv 2021; 11:17574-17586. [PMID: 35480207 PMCID: PMC9033163 DOI: 10.1039/d0ra10151f] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 05/06/2021] [Indexed: 11/28/2022] Open
Abstract
In halogenoantimonate(iii) and halogenobismuthate(iii) organic–inorganic hybrids, chains of trans-connected octahedra, trans-[MX5]∞, are considered attractive anionic structures for inducing ferroelectricity. The latter is realized by displacing the bridging halogen atoms along the chain direction – the process that changes the polarity of the whole unit. Advances in the identification of such materials have been hindered, however, by substantial difficulty in obtaining such structures. Here we investigate structural and dielectric properties of three families of compounds based on 2-mercaptopyrimidinium, 2-aminopyrimidinium, and 2-amino-4-methylpyrimidinium cations in which 8 out of 12 compounds show trans-[MX5]∞ chains in their crystal structures. Two of the compounds adopt a polar P21 space group and are potentially ferroelectric. We perform a detailed structural analysis of all compounds with trans-[MX5]∞ chains discovered by far to understand the factors that lead to the chains' formation. We reveal that the size of a cation predominantly defines the accessibility of structures with this anionic form and we provide rules for designing hybrids with trans-[MX5]∞ chains to help guide future efforts to engineer materials with interesting non-linear electrical properties. A discovered abundance of structures with rare and highly-desired anionic chains is examined to identify structural factors leading to the chains' formation.![]()
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Affiliation(s)
- Magdalena Owczarek
- Faculty of Chemistry, University of Wroclaw F. Joliot Curie 14 50-383 Wroclaw Poland
| | - Przemysław Szklarz
- Faculty of Chemistry, University of Wroclaw F. Joliot Curie 14 50-383 Wroclaw Poland
| | - Ryszard Jakubas
- Faculty of Chemistry, University of Wroclaw F. Joliot Curie 14 50-383 Wroclaw Poland
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122
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Sun M, Geng T, Yong X, Lu S, Ai L, Xiao G, Cai J, Zou B, Zang S. Pressure-Triggered Blue Emission of Zero-Dimensional Organic Bismuth Bromide Perovskite. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2004853. [PMID: 33977076 PMCID: PMC8097370 DOI: 10.1002/advs.202004853] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/10/2021] [Indexed: 05/20/2023]
Abstract
Understanding the structure-property relationships in Zero-dimensional (0D) organic-inorganic metal halide perovskites (OMHPs) is essential for their use in optoelectronic applications. Moreover, increasing the emission intensity, particularly for blue emission, is considerably a challenge. Here, intriguing pressure-induced emission (PIE) is successfully achieved from an initially nonluminous 0D OMHP [(C6H11NH3)4BiBr6]Br·CH3CN (Cy4BiBr7 ) upon compression. The emission intensity increases significantly, even reaching high-efficiency blue luminescence, as the external pressure is increased to 4.9 GPa. Analyses of the in situ high-pressure experiments and first-principle calculations indicate that the observed PIE can be attributed to the enhanced exciton binding energy associated with [BiBr6]3- octahedron distortion under pressure. This study of Cy4BiBr7 sheds light on the relationship between the structure and optical properties of OMHPs. The results may improve potential applications of such materials in the fields of pressure sensing and trademark security.
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Affiliation(s)
- Meng‐En Sun
- Green Catalysis Center and College of ChemistryZhengzhou UniversityZhengzhou450001P. R. China
| | - Ting Geng
- State Key Laboratory of Superhard MaterialsCollege of PhysicsJilin UniversityChangchun130012P. R. China
| | - Xue Yong
- Green Catalysis Center and College of ChemistryZhengzhou UniversityZhengzhou450001P. R. China
| | - Siyu Lu
- Green Catalysis Center and College of ChemistryZhengzhou UniversityZhengzhou450001P. R. China
| | - Lin Ai
- Green Catalysis Center and College of ChemistryZhengzhou UniversityZhengzhou450001P. R. China
| | - Guanjun Xiao
- State Key Laboratory of Superhard MaterialsCollege of PhysicsJilin UniversityChangchun130012P. R. China
| | - Jinmeng Cai
- Green Catalysis Center and College of ChemistryZhengzhou UniversityZhengzhou450001P. R. China
| | - Bo Zou
- State Key Laboratory of Superhard MaterialsCollege of PhysicsJilin UniversityChangchun130012P. R. China
| | - Shuang‐Quan Zang
- Green Catalysis Center and College of ChemistryZhengzhou UniversityZhengzhou450001P. R. China
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123
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Zhang C, Liu X, Chen J, Lin J. Solution and
Solid‐Phase
Growth of Bulk Halide Perovskite Single Crystals. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202000593] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Chao Zhang
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power Shanghai 200090 China
| | - Xiaolin Liu
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power Shanghai 200090 China
| | - Jing Chen
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power Shanghai 200090 China
| | - Jia Lin
- Department of Physics, Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power Shanghai 200090 China
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124
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Han B, Zhang L, Cao Y, Li B, Liu Z, Xu L, Wang P, Lin P, Wu X, Cui C. Antisolvent engineering on low-temperature processed CsPbI 3 inorganic perovskites for improved performances of solar cells. NANOTECHNOLOGY 2021; 32:185402. [PMID: 33472186 DOI: 10.1088/1361-6528/abde03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
CsPbI3 inorganic perovskites with ideal bandgap and much enhanced thermal stability compared with organic-inorganic hybrid perovskites, have attracted much interest in the field of solar cells. The performances of solar cells highly depend on the quality of perovskite films, yet the research on fabrication methods of inorganic perovskites is far below that of organic-inorganic hybrid counterparts. Antisolvent engineering is a widely used method in controlling the morphology and crystallinity of organic-inorganic hybrid perovskites. Its effect varies with parameters such as the physicochemical properties of antisolvents and the compositions of perovskite precursors. Specially, there lacks a comprehensive study comparing different antisolvents used in low-temperature processed CsPbI3 from dimethylammonium-based precursors. In this work, we used three different antisolvents to control the growth of CsPbI3 films in a low-temperature (<200 °C) processed procedure and systematically compared the properties of resultant films. The green antisolvent ethyl acetate (EA) engineered CsPbI3 films exhibit improved morphology and crystallinity as well as reduced defects, compared with the counterparts processed without antisolvent or those with widely employed toxic antisolvents toluene and chlorobenzene. The EA antisolvent engineering results in efficient CsPbI3 perovskite solar cells with a champion power conversion efficiency of 8.8%. Our work thus provides a green and viable way to prepare high quality CsPbI3 perovskite films for optoelectronic applications.
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Affiliation(s)
- Bingquan Han
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Lei Zhang
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Yuwei Cao
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Benyi Li
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Zhiyuan Liu
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Lingbo Xu
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
- State Key Laboratory of Silicon Materials and Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, People's Republic of China
| | - Peng Wang
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Ping Lin
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Xiaoping Wu
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Can Cui
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
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125
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Filtering of yellow light in a liquid-crystal light shutter for higher color contrast and reduced glare. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114846] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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126
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Zeng Y, Huang X, Huang C, Zhang H, Wang F, Wang Z. Unprecedented 2D Homochiral Hybrid Lead‐Iodide Perovskite Thermochromic Ferroelectrics with Ferroelastic Switching. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202102195] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Yu‐Ling Zeng
- Ordered Matter Science Research Center Nanchang University Nanchang 330031 P. R. China
| | - Xue‐Qin Huang
- Ordered Matter Science Research Center Nanchang University Nanchang 330031 P. R. China
| | - Chao‐Ran Huang
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province College of Chemistry and Chemical Engineering Gannan Normal University Ganzhou 341000 P. R. China
| | - Hua Zhang
- Ordered Matter Science Research Center Nanchang University Nanchang 330031 P. R. China
| | - Fang Wang
- Ordered Matter Science Research Center Nanchang University Nanchang 330031 P. R. China
| | - Zhong‐Xia Wang
- Ordered Matter Science Research Center Nanchang University Nanchang 330031 P. R. China
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127
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Zeng Y, Huang X, Huang C, Zhang H, Wang F, Wang Z. Unprecedented 2D Homochiral Hybrid Lead‐Iodide Perovskite Thermochromic Ferroelectrics with Ferroelastic Switching. Angew Chem Int Ed Engl 2021; 60:10730-10735. [DOI: 10.1002/anie.202102195] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Indexed: 11/07/2022]
Affiliation(s)
- Yu‐Ling Zeng
- Ordered Matter Science Research Center Nanchang University Nanchang 330031 P. R. China
| | - Xue‐Qin Huang
- Ordered Matter Science Research Center Nanchang University Nanchang 330031 P. R. China
| | - Chao‐Ran Huang
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province College of Chemistry and Chemical Engineering Gannan Normal University Ganzhou 341000 P. R. China
| | - Hua Zhang
- Ordered Matter Science Research Center Nanchang University Nanchang 330031 P. R. China
| | - Fang Wang
- Ordered Matter Science Research Center Nanchang University Nanchang 330031 P. R. China
| | - Zhong‐Xia Wang
- Ordered Matter Science Research Center Nanchang University Nanchang 330031 P. R. China
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128
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Tao L, Wang B, Wang H, Chen C, Ding X, Tian Y, Lu H, Yang X, Cheng M. Surface Defect Passivation and Energy Level Alignment Engineering with a Fluorine-Substituted Hole Transport Material for Efficient Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2021; 13:13470-13477. [PMID: 33705094 DOI: 10.1021/acsami.0c21975] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The surface and boundary defects present in the perovskite film are reported to be nonradiative recombination and degradation centers, restricting further improvement of the power conversion efficiency (PCE) and long-term stability of perovskite solar cells. To address this problem, herein, we introduce a fluorine-substituted small molecular material 2FBTA-1 as a bifunctional buffer layer to efficiently passivate the surface defects of perovskite and tune the energy level alignment between the perovskite/2,2',7,7'-tetrakis(N,N-di-(p-methoxyphenyl)amino)-9,9'-spirobifluorene (Spiro-OMeTAD) interface. X-ray photoelectron spectroscopy shows that with the insertion of 2FBTA-1 between perovskite and Spiro-OMeTAD, the metallic Pb0 defects and uncoordinated Pb2+ defects are well restricted. Consequently, the average PCE is distinctly improved from 18.4 ± 0.51 to 20.3 ± 0.40%. Moreover, the long-term stability of unencapsulated devices with 2FBTA-1 treatment under ambient conditions (relative humidity 40-60%) is effectively enhanced, retaining 87% of the initial efficiency after storage for 500 h.
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Affiliation(s)
- Li Tao
- Institute for Energy Research, Key Laboratory of Zhenjiang, Jiangsu University, Zhenjiang 212013, Jiangsu, China
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, China
| | - Biyi Wang
- Institute for Energy Research, Key Laboratory of Zhenjiang, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Haoxin Wang
- Institute for Energy Research, Key Laboratory of Zhenjiang, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Cheng Chen
- Institute for Energy Research, Key Laboratory of Zhenjiang, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Xingdong Ding
- Institute for Energy Research, Key Laboratory of Zhenjiang, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Yi Tian
- Institute for Energy Research, Key Laboratory of Zhenjiang, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Hongfei Lu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, China
| | - Xichuan Yang
- State Key Laboratory of Fine Chemicals, Institute of Artificial Photosynthesis, DUT-KTH Joint Education and Research Center on Molecular Devices, Dalian University of Technology (DUT), Dalian 116024, Liaoning, China
| | - Ming Cheng
- Institute for Energy Research, Key Laboratory of Zhenjiang, Jiangsu University, Zhenjiang 212013, Jiangsu, China
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129
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Zhang Y, Wang Z, Hu S, Yan P, Li H, Sheng C. Robust and Swiftly Reversible Thermochromic Behavior of a 2D Perovskite of (C 6H 4(CH 2NH 3) 2)(CH 3NH 3)[Pb 2I 7] for Smart Window and Photovoltaic Smart Window Applications. ACS APPLIED MATERIALS & INTERFACES 2021; 13:12042-12048. [PMID: 33666435 DOI: 10.1021/acsami.1c00163] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Highly robust, swiftly reversible thermochromic nature of a two-dimensional (2D) perovskite of (PDMA)(CH3NH3)n-1PbnI3n+1, nominally prepared as n = 2 is found, where PDMA = C6H4(CH2NH3)2. A wide band gap variation from 700 to 430 nm is observed between room temperature and >60 °C under ambient conditions, resulting from moisture absorption and desorption. X-ray diffraction and Fourier-transform infrared spectroscopy are performed to analyze the hydrated and dehydrated states. Furthermore, the (PDMA)(CH3NH3)n-1PbnI3n+1 film is demonstrated as an active material for smart windows and thermochromic solar cells, which could lower the inside air temperature in an enclosed space and supply a power conversion efficiency of more than 0.5% at a high ambient temperature, respectively. Overall, we may pave a pathway for exploring the novel phenomena and applications of Dion-Jacobson 2D perovskites.
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Affiliation(s)
- Yang Zhang
- School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Zeyang Wang
- School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Shu Hu
- School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Pingyuan Yan
- School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Heng Li
- School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - ChuanXiang Sheng
- School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
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130
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Wang Y, Yao S, Liu X, Chen G, Peng L. First-Principles Study on Optic-Electronic Properties of Charge-Ordered Indium Halide Perovskite Cs2In(I)In(III)Cl6 at High Pressure. FRONTIERS IN NANOTECHNOLOGY 2021. [DOI: 10.3389/fnano.2021.627387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Using the first principle method we studied, theoretically and in detail, the structural, optical, and electronic properties of a charge-ordered indium halide perovskite Cs2In(I)In(III)Cl6 at high pressure. In this structure, In1, In2, and In3 are octahedrally coordinated, whereas In4 is at the center of a pentagonal bipyramid. The charge of In on In1 and In2 sites can be assigned to 3+, while In+ occupies In3 and In4 sites. The results indicated that the band gap decreases, and the electron excitation produces the red-shift of peak value of optical absorption coefficient in visible and infrared regions with increasing pressure, and the reflectivity decreases in visible and infrared regions with increasing pressure. These theoretical results provide a basis for designing related inorganic halide perovskites.
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131
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Sun QQ, Li Q, Li HY, Zhang MM, Sun ME, Li S, Quan Z, Zang SQ. Thermochromism and piezochromism of an atomically precise high-nuclearity silver sulfide nanocluster. Chem Commun (Camb) 2021; 57:2372-2375. [PMID: 33534872 DOI: 10.1039/d0cc07085h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A novel high-nuclearity silver sulfide nanocluster [Ag50S7(SC6H4F)36(dppp)6]·4DMI, (hereafter abbreviated as 1⋅4DMI) was synthesised. Solvent-free crystals of 1 displayed a completely reversible narrowing and broadening of the optical band gap that was accompanied by visual thermochromism and piezochromism changeovers, when stimulated by varying temperatures between 113 and 413 K or by changing the pressure from 1 atm to 7.5 GPa.
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Affiliation(s)
- Qiao-Qiao Sun
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
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132
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Wang M, Cao F, Wang M, Deng K, Li L. Intermediate-Adduct-Assisted Growth of Stable CsPbI 2 Br Inorganic Perovskite Films for High-Efficiency Semitransparent Solar Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2006745. [PMID: 33538006 DOI: 10.1002/adma.202006745] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 12/06/2020] [Indexed: 06/12/2023]
Abstract
Thanks to the tunable bandgap and excellent photoelectric characteristics, perovskites have been widely used in semitransparent solar cells (ST-SCs). Most works present unsatisfactory power conversion efficiencies (PCEs) through reducing the thickness of the perovskite films because there is a trade-off between PCE and average visible transmittance (AVT). As a consequence, most PCEs are less than 12% when the AVT is higher than 20% due to the limited voltage (Voc ) and short-circuit current (Jsc ). Herein, a strategy of intermediate adduct (IMAT) engineering is developed to improve the film quality of the inorganic perovskite CsPbI2 Br, which is a challenging issue to limit its performance of efficiency and stability. A normal n-i-p-structured PSC based on the optimal CsPbI2 Br film delivers a PCE of 16.02% with excellent stability. Furthermore, through optimizing the electrode type and interface, the ST-PSC shows a high Voc larger than 1.2 V and the PCE reaches 14.01% and 10.36% under an AVT of 31.7% and 40.9%, respectively. This is the first demonstration of a CsPbI2 Br ST-PSC, and it outperforms most of other types of perovskites.
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Affiliation(s)
- Min Wang
- School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Center for Energy Conversion Materials & Physics (CECMP), Soochow University, Suzhou, 215006, P. R. China
| | - Fengren Cao
- School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Center for Energy Conversion Materials & Physics (CECMP), Soochow University, Suzhou, 215006, P. R. China
| | - Meng Wang
- School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Center for Energy Conversion Materials & Physics (CECMP), Soochow University, Suzhou, 215006, P. R. China
| | - Kaimo Deng
- School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Center for Energy Conversion Materials & Physics (CECMP), Soochow University, Suzhou, 215006, P. R. China
| | - Liang Li
- School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Center for Energy Conversion Materials & Physics (CECMP), Soochow University, Suzhou, 215006, P. R. China
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133
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Yu Z, Wang L, Mu X, Chen C, Wu Y, Cao J, Tang Y. Intramolecular Electric Field Construction in Metal Phthalocyanine as Dopant‐Free Hole Transporting Material for Stable Perovskite Solar Cells with >21 % Efficiency. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016087] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Zefeng Yu
- State Key Laboratory of Applied Organic Chemistry Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China
| | - Luyao Wang
- School of Materials Science and Engineering Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Xijiao Mu
- State Key Laboratory of Applied Organic Chemistry Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China
| | - Chun‐Chao Chen
- School of Materials Science and Engineering Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Yiying Wu
- Department of Chemistry and Biochemistry The Ohio State University 100 West 18th Avenue Columbus OH 43210 USA
| | - Jing Cao
- State Key Laboratory of Applied Organic Chemistry Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China
| | - Yu Tang
- State Key Laboratory of Applied Organic Chemistry Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China
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134
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Mali SS, Patil JV, Steele JA, Rondiya SR, Dzade NY, Hong CK. Implementing Dopant-Free Hole-Transporting Layers and Metal-Incorporated CsPbI 2Br for Stable All-Inorganic Perovskite Solar Cells. ACS ENERGY LETTERS 2021; 6:778-788. [PMID: 33829109 PMCID: PMC8018314 DOI: 10.1021/acsenergylett.0c02385] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 12/02/2020] [Indexed: 05/13/2023]
Abstract
Mixed-halide CsPbI2Br perovskite is promising for efficient and thermally stable all-inorganic solar cells; however, the use of conventional antisolvent methods and additives-based hole-transporting layers (HTLs) currently hampers progress. Here, we have employed hot-air-assisted perovskite deposition in ambient condition to obtain high-quality photoactive CsPbI2Br perovskite films and have extended stable device operation using metal cation doping and dopant-free hole-transporting materials. Density functional theory calculations are used to study the structural and optoelectronic properties of the CsPbI2Br perovskite when it is doped with metal cations Eu2+ and In3+. We experimentally incorporated Eu2+ and In3+ metal ions into CsPbI2Br films and applied dopant-free copper(I) thiocyanate (CuSCN) and poly(3-hexylthiophene) (P3HT)-based materials as low-cost hole transporting layers, leading to record-high power conversion efficiencies of 15.27% and 15.69%, respectively, and a retention of >95% of the initial efficiency over 1600 h at 85 °C thermal stress.
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Affiliation(s)
- Sawanta S. Mali
- Polymer
Energy Materials Laboratory, School of Advanced Chemical Engineering, Chonnam National University, Gwangju, South Korea, 61186
| | - Jyoti V. Patil
- Polymer
Energy Materials Laboratory, School of Advanced Chemical Engineering, Chonnam National University, Gwangju, South Korea, 61186
- Optoelectronic
Convergence Research Center (OCRC), Chonnam
National University, Gwangju, South Korea, 61186
| | - Julian A. Steele
- cMACS,
Department of Microbial and Molecular Systems, KU Leuven, 3001 Leuven, Belgium
| | - Sachin R. Rondiya
- School
of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, Wales, United Kingdom
| | - Nelson Y. Dzade
- School
of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, Wales, United Kingdom
| | - Chang Kook Hong
- Polymer
Energy Materials Laboratory, School of Advanced Chemical Engineering, Chonnam National University, Gwangju, South Korea, 61186
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135
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Yu Z, Wang L, Mu X, Chen C, Wu Y, Cao J, Tang Y. Intramolecular Electric Field Construction in Metal Phthalocyanine as Dopant‐Free Hole Transporting Material for Stable Perovskite Solar Cells with >21 % Efficiency. Angew Chem Int Ed Engl 2021; 60:6294-6299. [DOI: 10.1002/anie.202016087] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/09/2021] [Indexed: 11/11/2022]
Affiliation(s)
- Zefeng Yu
- State Key Laboratory of Applied Organic Chemistry Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China
| | - Luyao Wang
- School of Materials Science and Engineering Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Xijiao Mu
- State Key Laboratory of Applied Organic Chemistry Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China
| | - Chun‐Chao Chen
- School of Materials Science and Engineering Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Yiying Wu
- Department of Chemistry and Biochemistry The Ohio State University 100 West 18th Avenue Columbus OH 43210 USA
| | - Jing Cao
- State Key Laboratory of Applied Organic Chemistry Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China
| | - Yu Tang
- State Key Laboratory of Applied Organic Chemistry Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China
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136
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Yuan J, Bi C, Xi J, Guo R, Tian J. Gradient-Band Alignment Homojunction Perovskite Quantum Dot Solar Cells. J Phys Chem Lett 2021; 12:1018-1024. [PMID: 33470817 DOI: 10.1021/acs.jpclett.0c03628] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The inorganic perovskite CsPbI3 that exists in the form of a quantum dot (QD) shows a stable cubic structure, attracting much attention for its application in solar cells. However, too many grain boundaries in the perovskite QD (PQD) layer block the transport of carriers, resulting in the potential loss of solar cells. Herein, we devise a gradient-band alignment (GBA) homojunction, which is constructed from three layers of PQDs with different band-gaps to form a gradient energy alignment. The GBA structure facilitated the charge extraction and increased the carrier diffusion length of the PQD layer because of the additional driving force for the electrons. In addition, the homojunction made from the same substance could minimize the lattice mismatch of the active layer. As a result, the champion solar cell based on the GBA homojunction layer achieved a high open voltage VOC of 1.25 V and a power conversion efficiency (PCE) of 13.2%.
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Affiliation(s)
- Jifeng Yuan
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Chenghao Bi
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Jiahao Xi
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Ruiqi Guo
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Jianjun Tian
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
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137
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Smart Window Based on Angular-Selective Absorption of Solar Radiation with Guest–Host Liquid Crystals. CRYSTALS 2021. [DOI: 10.3390/cryst11020131] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In this study, we analyzed angular-selective absorption in a guest–host liquid crystal (GHLC) cell for its application in smart windows. For reducing the energy consumption, angular-selective absorption is desired because the light transmitted through windows during the daytime is predominantly incident obliquely from direct sunlight. Owing to the absorption anisotropy of guest dichroic dyes, a GHLC cell can absorb the obliquely incident light, while allowing people to see through windows in a normal view. Therefore, the cell can provide a comfortable environment for occupants, and reduce the energy required for cooling by blocking the solar heat incident from the oblique direction. The GHLC cell can be switched between the transparent and opaque states for a normal view. The rising (falling) time was 6.1 (80.5) ms when the applied voltage was 10 V.
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138
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Chai W, Ma J, Zhu W, Chen D, Xi H, Zhang J, Zhang C, Hao Y. Suppressing Halide Phase Segregation in CsPbIBr 2 Films by Polymer Modification for Hysteresis-Less All-Inorganic Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2021; 13:2868-2878. [PMID: 33426867 DOI: 10.1021/acsami.0c20135] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
All-inorganic perovskite CsPbIBr2 materials are promising for optoelectronics, owing to their upgraded ambient stability and suitable bandgap. Unfortunately, they generally undergo severe halide phase segregation under illumination, which creates many iodide-rich and bromide-rich domains coupled with significant deterioration of their optical/electrical properties. Herein, we propose a facile and effective strategy to overcome the halide phase segregation in the CsPbIBr2 film by modifying its crystalline grains with poly(methyl methacrylate) (PMMA) for the first time. Such a strategy is proceeded by covering a PMMA layer on the substrate before deposition of the CsPbIBr2 film. Further investigations manifest that the CsPbIBr2 film with PMMA possesses larger grains, better crystallinity, and fewer traps than the one without any modification. Moreover, it holds the nearly eliminated halide phase segregation. Therefore, the carbon-based, all-inorganic CsPbIBr2 perovskite solar cell exhibits the much suppressed photocurrent hysteresis, coupled with an outstanding efficiency of 9.21% and a high photovoltage of 1.307 V.
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Affiliation(s)
- Wenming Chai
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology & Shaanxi Joint Key Laboratory of Graphene, School of Microelectronics, Xidian University, Xi'an 710071, China
| | - Junxiao Ma
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology & Shaanxi Joint Key Laboratory of Graphene, School of Microelectronics, Xidian University, Xi'an 710071, China
| | - Weidong Zhu
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology & Shaanxi Joint Key Laboratory of Graphene, School of Microelectronics, Xidian University, Xi'an 710071, China
| | - Dazheng Chen
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology & Shaanxi Joint Key Laboratory of Graphene, School of Microelectronics, Xidian University, Xi'an 710071, China
| | - He Xi
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology & Shaanxi Joint Key Laboratory of Graphene, School of Microelectronics, Xidian University, Xi'an 710071, China
| | - Jincheng Zhang
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology & Shaanxi Joint Key Laboratory of Graphene, School of Microelectronics, Xidian University, Xi'an 710071, China
| | - Chunfu Zhang
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology & Shaanxi Joint Key Laboratory of Graphene, School of Microelectronics, Xidian University, Xi'an 710071, China
| | - Yue Hao
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology & Shaanxi Joint Key Laboratory of Graphene, School of Microelectronics, Xidian University, Xi'an 710071, China
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139
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Arumugam GM, Karunakaran SK, Liu C, Zhang C, Guo F, Wu S, Mai Y. Inorganic hole transport layers in inverted perovskite solar cells: A review. NANO SELECT 2021. [DOI: 10.1002/nano.202000200] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Gowri Manohari Arumugam
- Institute of New Energy Technology College of Information Science and Technology Jinan University Guangzhou 510632 China
| | - Santhosh Kumar Karunakaran
- State Key Laboratory of Optoelectronic Materials and Technologies, Nanotechnology Research Center, School of Materials Science and Engineering Sun Yat‐sen University Guangzhou 510275 P.R. China
- Key Laboratory of Polymeric Composite and Functional Materials of Ministry of Education Sun Yat‐Sen University Guangzhou 510275 P.R. China
| | - Chong Liu
- Institute of New Energy Technology College of Information Science and Technology Jinan University Guangzhou 510632 China
| | - Cuiling Zhang
- Institute of New Energy Technology College of Information Science and Technology Jinan University Guangzhou 510632 China
| | - Fei Guo
- Institute of New Energy Technology College of Information Science and Technology Jinan University Guangzhou 510632 China
| | - Shaohang Wu
- Institute of New Energy Technology College of Information Science and Technology Jinan University Guangzhou 510632 China
| | - Yaohua Mai
- Institute of New Energy Technology College of Information Science and Technology Jinan University Guangzhou 510632 China
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140
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Kuan CH, Shen HH, Lin CF. Low photoactive phase temperature all-inorganic, tin-lead mixed perovskite solar cell. RSC Adv 2021; 11:3264-3271. [PMID: 35424289 PMCID: PMC8693988 DOI: 10.1039/d0ra10110a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 01/04/2021] [Indexed: 11/25/2022] Open
Abstract
CsPbI3 films have recently attracted significant attention as efficient absorbers for thermally stable photovoltaic devices. However, their large bandgap and photoactive black phase formation at high temperature impede their use for practical applications. Using the concept of lattice contraction, we demonstrate a low bandgap (≤1.44 eV) cesium-based inorganic perovskite CsPbxSn1−xI3 that can be solution processed at low temperature for photovoltaic devices. The results from systematic measurements imply that the partial substitution of lead (Pb) with tin (Sn) results in crystal lattice contraction, which is essential for realizing photoactive phase formation at l00 °C and stabilizing photoactive phase at room temperature. These findings demonstrate the potential of using cesium-based inorganic perovskite as viable alternatives to MA- or FA-based perovskite photovoltaic materials. In Cs-based all inorganic perovskite solar cells based, doping Sn can cause lattice shrinkage, which reduces annealing temperature of forming photoactive phase.![]()
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Affiliation(s)
- Chun-Hsiao Kuan
- Graduate Institute of Photonics and Optoelectronics, National Taiwan University No. 1, Sec. 4, Roosevelt Road Taipei 10617 Taiwan
| | - Hui-Hung Shen
- Graduate Institute of Photonics and Optoelectronics, National Taiwan University No. 1, Sec. 4, Roosevelt Road Taipei 10617 Taiwan
| | - Ching-Fuh Lin
- Graduate Institute of Photonics and Optoelectronics, National Taiwan University No. 1, Sec. 4, Roosevelt Road Taipei 10617 Taiwan .,Graduate Institute of Electronics Engineering, National Taiwan University No. 1, Sec. 4, Roosevelt Road Taipei 10617 Taiwan.,Department of Electrical Engineering, National Taiwan University No. 1, Sec. 4, Roosevelt Road Taipei 10617 Taiwan
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141
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Ma LL, Yang GP, Li GP, Zhang PF, Jin J, Wang Y, Wang JM, Wang YY. Luminescence modulation, near white light emission, selective luminescence sensing, and anticounterfeiting via a series of Ln-MOFs with a π-conjugated and uncoordinated lewis basic triazolyl ligand. Inorg Chem Front 2021. [DOI: 10.1039/d0qi01100b] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A series of Ln-MOFs with π-conjugated and uncoordinated lewis basic triazolyl ligand have luminescence modulation, near white light emission, selective luminescence sensing, and anticounterfeiting.
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Affiliation(s)
- Lu-Lu Ma
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education
- Shaanxi Key Laboratory of Physico-Inorganic Chemistry
- College of Chemistry & Materials Science
- Northwest University
- Xi'an 710127
| | - Guo-Ping Yang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education
- Shaanxi Key Laboratory of Physico-Inorganic Chemistry
- College of Chemistry & Materials Science
- Northwest University
- Xi'an 710127
| | - Gao-Peng Li
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education
- Shaanxi Key Laboratory of Physico-Inorganic Chemistry
- College of Chemistry & Materials Science
- Northwest University
- Xi'an 710127
| | - Peng-Feng Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education
- Shaanxi Key Laboratory of Physico-Inorganic Chemistry
- College of Chemistry & Materials Science
- Northwest University
- Xi'an 710127
| | - Jing Jin
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education
- Shaanxi Key Laboratory of Physico-Inorganic Chemistry
- College of Chemistry & Materials Science
- Northwest University
- Xi'an 710127
| | - Yao Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education
- Shaanxi Key Laboratory of Physico-Inorganic Chemistry
- College of Chemistry & Materials Science
- Northwest University
- Xi'an 710127
| | - Jiao-Min Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education
- Shaanxi Key Laboratory of Physico-Inorganic Chemistry
- College of Chemistry & Materials Science
- Northwest University
- Xi'an 710127
| | - Yao-Yu Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education
- Shaanxi Key Laboratory of Physico-Inorganic Chemistry
- College of Chemistry & Materials Science
- Northwest University
- Xi'an 710127
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142
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Sánchez S, Pfeifer L, Vlachopoulos N, Hagfeldt A. Rapid hybrid perovskite film crystallization from solution. Chem Soc Rev 2021; 50:7108-7131. [PMID: 33969365 DOI: 10.1039/d0cs01272f] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The use of a solution process to grow perovskite thin films allows to extend the material processability. It is known that the physicochemical properties of the perovskite material can be tuned by altering the solution precursors as well as by controlling the crystal growth of the film. This advancement necessarily implies the need for an understanding of the kinetic phenomena for the thin-film formation. Therefore, in this work we review the state of the art of perovskite hybrid crystal growth, starting from a comprehensive theoretical description towards broad experimental investigations. One part of the study focuses on rapid thermal annealing as a tool to control nucleation and crystal growth. We deduce that controlling crystal growth with high-precision photonic sintering simplifies the experimental framework required to understand perovskite crystallization. These types of synthesis methods open a new empirical parameter space. All this knowledge serves to improve the perovskite synthesis and the thin films' quality, which will result in higher device performances.
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Affiliation(s)
- Sandy Sánchez
- Laboratory of Photomolecular Sciences, Institute of Chemistry and Chemical Engineering, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland. and Laboratory of Photonics and Interfaces, Institute of Chemistry and Chemical Engineering, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Lukas Pfeifer
- Laboratory of Photonics and Interfaces, Institute of Chemistry and Chemical Engineering, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Nikolaos Vlachopoulos
- Laboratory of Photomolecular Sciences, Institute of Chemistry and Chemical Engineering, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland.
| | - Anders Hagfeldt
- Laboratory of Photomolecular Sciences, Institute of Chemistry and Chemical Engineering, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland.
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143
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Liu DS, Wu J, Xu H, Wang Z. Emerging Light-Emitting Materials for Photonic Integration. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2003733. [PMID: 33306201 DOI: 10.1002/adma.202003733] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 07/26/2020] [Indexed: 06/12/2023]
Abstract
The arrival of the information explosion era is urging the development of large-bandwidth high-data-rate optical interconnection technology. Up to now, the biggest stumbling block in optical interconnections has been the lack of efficient light sources despite significant progress that has been made in germanium-on-silicon (Ge-on-Si) and III-V-on-silicon (III-V-on-Si) lasers. 2D materials and metal halide perovskites have attracted much attention in recent years, and exhibit distinctive advantages in the application of on-chip light emitters. Herein, this Progress Report reviews the recent progress made in light-emitting materials with a focus on new materials, i.e., 2D materials and metal halide perovskites. The report briefly introduces the current status of Ge-on-Si and III-V-on-Si lasers and discusses the advances of 2D and perovskite light-emitting materials for photonic integration, including their optical properties, preparation methods, as well as the light sources based on these materials. Finally, challenges and perspectives of these emerging materials on the way to the efficient light sources are discussed.
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Affiliation(s)
- De-Sheng Liu
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Jiang Wu
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Hongxing Xu
- School of Physics and Technology, Wuhan University, Wuhan, 430072, China
| | - Zhiming Wang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, China
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144
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Handa T, Yamada T, Nagai M, Kanemitsu Y. Phonon, thermal, and thermo-optical properties of halide perovskites. Phys Chem Chem Phys 2020; 22:26069-26087. [PMID: 33174887 DOI: 10.1039/d0cp04426a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Metal halide perovskites are semiconductors with many fascinating characteristics and their widespread use in optoelectronic devices has been expected. High-quality thin films and single crystals can be fabricated by simple chemical solution processes and their fundamental electrical, optical, and thermal properties can be changed significantly by compositional substitution, in particular halogen ions. In this perspective, we provide an overview of phonon and thermal properties of metal halide perovskites, which play a decisive role in determining device performance. After a brief introduction to fundamental material properties, longitudinal-optical phonons and unusual thermal properties of metal halide perovskites are discussed. Remarkably, they possess very low thermal conductivities and very large thermal expansion coefficients despite their crystalline nature. In line with these discussions, we present optical properties governed by the strong electron-phonon interactions and the unusual thermal properties. By showing their unique thermo-optic responses and novel application examples, we highlight some aspects of the unusual thermal properties.
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Affiliation(s)
- Taketo Handa
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan.
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145
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Hou W, Han G, Ou T, Xiao Y, Chen Q. An Efficient and Stable Perovskite Solar Cell with Suppressed Defects by Employing Dithizone as a Lead Indicator. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202007353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Wenjing Hou
- Institute of Molecular Science Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province State Key Laboratory of Quantum Optics and Quantum Optics Devices Shanxi University Taiyuan 030006 P. R. China), E-mail: han
| | - Gaoyi Han
- Institute of Molecular Science Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province State Key Laboratory of Quantum Optics and Quantum Optics Devices Shanxi University Taiyuan 030006 P. R. China), E-mail: han
| | - Ting Ou
- Institute of Molecular Science Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province State Key Laboratory of Quantum Optics and Quantum Optics Devices Shanxi University Taiyuan 030006 P. R. China), E-mail: han
| | - Yaoming Xiao
- College of Chemical Engineering and Materials Science Quanzhou Normal University Quanzhou 362000 P. R. China
| | - Qi Chen
- School of Materials Science & Engineering Beijing Institute of Technology Beijing 100081 P. R. China
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146
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Hou W, Han G, Ou T, Xiao Y, Chen Q. An Efficient and Stable Perovskite Solar Cell with Suppressed Defects by Employing Dithizone as a Lead Indicator. Angew Chem Int Ed Engl 2020; 59:21409-21413. [PMID: 32790045 DOI: 10.1002/anie.202007353] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 07/22/2020] [Indexed: 11/07/2022]
Abstract
The defects in perovskite films are one of the most non-negligible factors that can attenuate the performances of perovskite solar cell. This work fabricates defect-reduced perovskite film by using the lead indicator (dithizone) as an additive of perovskite functional layer. The dithizone can retard the crystallization rate of perovskite films, passivate the defects, and enhance the structure stability of perovskite by coordinating with lead atoms. As a result, the device doped with dithizone yields outstanding power conversion efficiency and stability.
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Affiliation(s)
- Wenjing Hou
- Institute of Molecular Science, Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, State Key Laboratory of Quantum Optics and Quantum Optics Devices, Shanxi University, Taiyuan, 030006, P. R. China), E-mail: han
| | - Gaoyi Han
- Institute of Molecular Science, Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, State Key Laboratory of Quantum Optics and Quantum Optics Devices, Shanxi University, Taiyuan, 030006, P. R. China), E-mail: han
| | - Ting Ou
- Institute of Molecular Science, Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, State Key Laboratory of Quantum Optics and Quantum Optics Devices, Shanxi University, Taiyuan, 030006, P. R. China), E-mail: han
| | - Yaoming Xiao
- College of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou, 362000, P. R. China
| | - Qi Chen
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China
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147
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Su TS, Eickemeyer FT, Hope MA, Jahanbakhshi F, Mladenović M, Li J, Zhou Z, Mishra A, Yum JH, Ren D, Krishna A, Ouellette O, Wei TC, Zhou H, Huang HH, Mensi MD, Sivula K, Zakeeruddin SM, Milić JV, Hagfeldt A, Rothlisberger U, Emsley L, Zhang H, Grätzel M. Crown Ether Modulation Enables over 23% Efficient Formamidinium-Based Perovskite Solar Cells. J Am Chem Soc 2020; 142:19980-19991. [PMID: 33170007 DOI: 10.1021/jacs.0c08592] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The use of molecular modulators to reduce the defect density at the surface and grain boundaries of perovskite materials has been demonstrated to be an effective approach to enhance the photovoltaic performance and device stability of perovskite solar cells. Herein, we employ crown ethers to modulate perovskite films, affording passivation of undercoordinated surface defects. This interaction has been elucidated by solid-state nuclear magnetic resonance and density functional theory calculations. The crown ether hosts induce the formation of host-guest complexes on the surface of the perovskite films, which reduces the concentration of surface electronic defects and suppresses nonradiative recombination by 40%, while minimizing moisture permeation. As a result, we achieved substantially improved photovoltaic performance with power conversion efficiencies exceeding 23%, accompanied by enhanced stability under ambient and operational conditions. This work opens a new avenue to improve the performance and stability of perovskite-based optoelectronic devices through supramolecular chemistry.
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Affiliation(s)
- Tzu-Sen Su
- Laboratory of Photonics and Interfaces, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland.,Department of Chemical Engineering, National Tsing Hua University, Hsinchu 300, Taiwan
| | - Felix Thomas Eickemeyer
- Laboratory of Photonics and Interfaces, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland.,Laboratory of Photomolecular Science, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Michael A Hope
- Laboratory of Magnetic Resonance, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Farzaneh Jahanbakhshi
- Laboratory of Computational Chemistry and Biochemistry, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Marko Mladenović
- Laboratory of Computational Chemistry and Biochemistry, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Jun Li
- Laboratory of Photonics and Interfaces, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Zhiwen Zhou
- Laboratory of Photonics and Interfaces, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Aditya Mishra
- Laboratory of Magnetic Resonance, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Jun-Ho Yum
- Laboratory of Molecular Engineering of Optoelectronic Nanomaterials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne 1015, Switzerland
| | - Dan Ren
- Laboratory of Photonics and Interfaces, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Anurag Krishna
- Laboratory of Photomolecular Science, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Olivier Ouellette
- Laboratory of Photonics and Interfaces, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Tzu-Chien Wei
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 300, Taiwan
| | - Hua Zhou
- Advanced Photon Source, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Hsin-Hsiang Huang
- Materials Science Division and Center for Molecular Engineering, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Mounir Driss Mensi
- Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, Valais Wallis, CH-1951 Sion, Switzerland
| | - Kevin Sivula
- Laboratory of Molecular Engineering of Optoelectronic Nanomaterials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne 1015, Switzerland
| | - Shaik M Zakeeruddin
- Laboratory of Photonics and Interfaces, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Jovana V Milić
- Laboratory of Photonics and Interfaces, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Anders Hagfeldt
- Laboratory of Photomolecular Science, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Ursula Rothlisberger
- Laboratory of Computational Chemistry and Biochemistry, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Lyndon Emsley
- Laboratory of Magnetic Resonance, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Hong Zhang
- Laboratory of Photonics and Interfaces, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Michael Grätzel
- Laboratory of Photonics and Interfaces, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
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148
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Tang YY, Liu YH, Peng H, Deng BB, Cheng TT, Hu YT. Three-Dimensional Lead Bromide Hybrid Ferroelectric Realized by Lattice Expansion. J Am Chem Soc 2020; 142:19698-19704. [DOI: 10.1021/jacs.0c09586] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yuan-Yuan Tang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Yu-Hua Liu
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Hang Peng
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Bin-Bin Deng
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Ting-Ting Cheng
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
| | - Yan-Ting Hu
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People’s Republic of China
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149
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Zhang HY, Chen XG, Zhang ZX, Song XJ, Zhang T, Pan Q, Zhang Y, Xiong RG. Methylphosphonium Tin Bromide: A 3D Perovskite Molecular Ferroelectric Semiconductor. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2005213. [PMID: 33089541 DOI: 10.1002/adma.202005213] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/19/2020] [Indexed: 06/11/2023]
Abstract
3D ABX3 organic-inorganic halide perovskite (OIHP) semiconductors like [CH3 NH3 ]PbI3 have received great attention because of their various properties for wide applications. However, although a number of low-dimensional lead-based OIHP ferroelectric semiconductors have been documented, obtaining 3D ABX3 OIHP ferroelectric semiconductors is challenging. Herein, an A-site cation [CH3 PH3 ]+ (methylphosphonium, MP) is employed to successfully obtain a lead-free 3D ABX3 OIHP ferroelectric semiconductor MPSnBr3 , which shows clear above-room-temperature ferroelectricity and a direct bandgap of 2.62 eV. It is emphasized that MPSnBr3 is a multiaxial molecular ferroelectric with the number of ferroelectric polar axes being as many as 12, which is far more than those of the other OIHP ferroelectric semiconductors and even the classical inorganic perovskite ferroelectric semiconductors BiFeO3 (4 polar axes) and BaTiO3 (3 polar axes). MPSnBr3 is the first MP-based 3D ABX3 OIHP ferroelectric semiconductor. This finding throws light on the exploration of other excellent 3D ABX3 OIHP ferroelectric semiconductors with great application prospects.
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Affiliation(s)
- Han-Yue Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Xiao-Gang Chen
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Zhi-Xu Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Xian-Jiang Song
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Tie Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Qiang Pan
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Yi Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Ren-Gen Xiong
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
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150
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Wang P, Wang H, Mao Y, Zhang H, Ye F, Liu D, Wang T. Organic Ligands Armored ZnO Enhances Efficiency and Stability of CsPbI 2Br Perovskite Solar Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2000421. [PMID: 33173723 PMCID: PMC7610334 DOI: 10.1002/advs.202000421] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 09/01/2020] [Indexed: 05/04/2023]
Abstract
Inorganic perovskite solar cells (PSCs) have witnessed great progress in recent years due to their superior thermal stability. As a representative, CsPbI2Br is attracting considerable attention as it can balance the high efficiency of CsPbI3 and the stability of CsPbBr3. However, most research employs doped charge transport materials or applies bilayer transport layers to obtain decent performance, which vastly complicates the fabrication process and scarcely satisfies the commercial production requirement. In this work, all-layer-doping-free inorganic CsPbI2Br PSCs using organic ligands armored ZnO as the electron transport materials achieve an encouraging performance of 16.84%, which is one of the highest efficiencies among published works. Meanwhile, both the ZnO-based CsPbI2Br film and device show superior photostability under continuous white light-emitting diode illumination and improved thermal stability under 85 °C. The remarkable enhanced performance arises from the favorable organic ligands (acetate ions) residue in the ZnO film, which not only can conduce to maintain high crystallinity of perovskite, but also passivate traps at the interface through cesium/acetate interactions, thus suppressing the photo- and thermal- induced perovskite degradation.
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Affiliation(s)
- Pang Wang
- School of Materials Science and EngineeringWuhan University of TechnologyWuhan430070China
- State Key Laboratory of Silicate Materials for ArchitecturesWuhan University of TechnologyWuhan430070China
| | - Hui Wang
- School of Materials Science and EngineeringWuhan University of TechnologyWuhan430070China
- State Key Laboratory of Silicate Materials for ArchitecturesWuhan University of TechnologyWuhan430070China
| | - Yuchao Mao
- School of Materials Science and EngineeringWuhan University of TechnologyWuhan430070China
- State Key Laboratory of Silicate Materials for ArchitecturesWuhan University of TechnologyWuhan430070China
| | - Huijun Zhang
- School of Materials Science and EngineeringWuhan University of TechnologyWuhan430070China
- State Key Laboratory of Silicate Materials for ArchitecturesWuhan University of TechnologyWuhan430070China
| | - Fanghao Ye
- School of Materials Science and EngineeringWuhan University of TechnologyWuhan430070China
- State Key Laboratory of Silicate Materials for ArchitecturesWuhan University of TechnologyWuhan430070China
| | - Dan Liu
- School of Materials Science and EngineeringWuhan University of TechnologyWuhan430070China
- State Key Laboratory of Silicate Materials for ArchitecturesWuhan University of TechnologyWuhan430070China
| | - Tao Wang
- School of Materials Science and EngineeringWuhan University of TechnologyWuhan430070China
- State Key Laboratory of Silicate Materials for ArchitecturesWuhan University of TechnologyWuhan430070China
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