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Zhang J, She Y, Zhu Y, Su H, Zheng X, Yao Y, Li D, Liu SF. Enhancing Performance and Stability of Perovskite Solar Cells with a Novel Formamidine Group Additive. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2402557. [PMID: 38845022 DOI: 10.1002/smll.202402557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 05/10/2024] [Indexed: 10/04/2024]
Abstract
Perovskite materials, particularly FAPbI3, have emerged as promising candidates for solar energy conversion applications. However, these materials are plagued by well-known defects and suboptimal film quality. Enhancing crystallinity and minimizing defect density are therefore essential steps in the development of high-performance perovskite solar cells. In this study, 1H-Pyrazole-1-carboximidamide hydrochloride (PCH) is introduced into FAPbI3 perovskite films. The molecular structure of PCH features a pyrazole ring bonded to formamidine (FA). The FA moiety of PCH facilitated the incorporation of this additive into the film lattice, while the negatively charged pyrazole ring effectively passivated positively charged iodine vacancies. The presence of PCH led to the fabrication of an FAPbI3 device with improved crystallinity, a smoother surface, and reduced defect density, resulting in enhanced Voc and fill factor. A record power conversion efficiency of 24.62% is achieved, along with exceptional stability under prolonged air exposure and thermal stress. The findings highlight the efficacy of PCH as a novel additive for the development of high-performance perovskite solar cells.
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Affiliation(s)
- Jing Zhang
- Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, Institute for Adv. Energy Mater., School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, Shaanxi, 710119, P. R. China
| | - Yutong She
- Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, Institute for Adv. Energy Mater., School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, Shaanxi, 710119, P. R. China
| | - Yujie Zhu
- Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, Institute for Adv. Energy Mater., School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, Shaanxi, 710119, P. R. China
| | - Hang Su
- Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, Institute for Adv. Energy Mater., School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, Shaanxi, 710119, P. R. China
- Key Laboratory of Photoelectric Conversion and Utilization of Solar Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, P. R. China
| | - Xinxin Zheng
- Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, Institute for Adv. Energy Mater., School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, Shaanxi, 710119, P. R. China
| | - Yuyin Yao
- Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, Institute for Adv. Energy Mater., School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, Shaanxi, 710119, P. R. China
| | - Deng Li
- Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, Institute for Adv. Energy Mater., School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, Shaanxi, 710119, P. R. China
| | - Shengzhong Frank Liu
- Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, Institute for Adv. Energy Mater., School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, Shaanxi, 710119, P. R. China
- Key Laboratory of Photoelectric Conversion and Utilization of Solar Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
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2
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Jung S, Choi S, Shin W, Oh H, Kim N, Kim S, Kim N, Kim K, Lee H. Effects of Antisolvent Treatment on Copper(I) Thiocyanate Hole Transport Layer in n-i-p Perovskite Solar Cells. Molecules 2024; 29:4440. [PMID: 39339435 PMCID: PMC11433693 DOI: 10.3390/molecules29184440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2024] [Revised: 09/11/2024] [Accepted: 09/13/2024] [Indexed: 09/30/2024] Open
Abstract
Copper(I) thiocyanate (CuSCN) is considered an efficient HTL of low cost and with high stability in perovskite solar cells (PSCs). However, the diethyl sulfide solvent used for CuSCN preparation is known to cause damage to the underlying perovskite layer in n-i-p PSCs. Antisolvent treatment of CuSCN during spin-coating can effectively minimize interfacial interactions. However, the effects of antisolvent treatment are not sufficiently understood. In this study, the effects of five different antisolvents were investigated. Scanning electron microscopy and X-ray diffraction analyses showed that the antisolvent treatment improved the crystallinity of the CuSCN layer on the perovskite layer and reduced damage to the perovskite layer. However, X-ray and ultraviolet photoelectron spectroscopy analyses showed that antisolvent treatment did not affect the chemical bonds or electronic structures of CuSCN. As a result, the power conversion efficiency of the PSCs was increased from 14.72% for untreated CuSCN to 15.86% for ethyl-acetate-treated CuSCN.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Hyunbok Lee
- Department of Physics, Kangwon National University, 1 Gangwondaehak-gil, Chuncheon-si 24341, Republic of Korea; (S.J.); (S.C.); (W.S.); (H.O.); (N.K.); (S.K.); (N.K.); (K.K.)
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3
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Xu J, Wu Y, Fan S, Liu X, Yin Z, Yang Y, Wang R, Qian Z, Sun Y. Real-time detection of aging status of methylammonium lead iodide perovskite thin films by using terahertz time-domain spectroscopy. FRONTIERS OF OPTOELECTRONICS 2024; 17:24. [PMID: 39073673 PMCID: PMC11286615 DOI: 10.1007/s12200-024-00128-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Accepted: 06/26/2024] [Indexed: 07/30/2024]
Abstract
The inadequate stability of organic-inorganic hybrid perovskites remains a significant barrier to their widespread commercial application in optoelectronic devices. Aging phenomena profoundly affect the optoelectronic performance of perovskite-based devices. In addition to enhancing perovskite stability, the real-time detection of aging status, aimed at monitoring the aging progression, holds paramount importance for both fundamental research and the commercialization of organic-inorganic hybrid perovskites. In this study, the aging status of perovskite was real-time investigated by using terahertz time-domain spectroscopy. Our analysis consistently revealed a gradual decline in the intensity of the absorption peak at 0.968 THz with increasing perovskite aging. Furthermore, a systematic discussion was conducted on the variations in intensity and position of the terahertz absorption peaks as the perovskite aged. These findings facilitate the real-time assessment of perovskite aging, providing a promising method to expedite the commercialization of perovskite-based optoelectronic devices.
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Affiliation(s)
- Jinzhuo Xu
- Department of Biomedical Engineering, School of Medicine, Shenzhen University, Shenzhen, 518060, China
| | - Yinghui Wu
- Guangdong Provincial Key Laboratory of Durability for Ocean Civil Engineering, College of Civil and Transportation Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Shuting Fan
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xudong Liu
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Zhen Yin
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Youpeng Yang
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Renheng Wang
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Zhengfang Qian
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yiwen Sun
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.
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Soopy AKK, Liu SF, Najar A. Enhancement of Photodetector Characteristics by Zn-Porphyrin-Passivated MAPbBr 3 Single Crystals. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:1068. [PMID: 38998673 PMCID: PMC11243306 DOI: 10.3390/nano14131068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 06/17/2024] [Accepted: 06/20/2024] [Indexed: 07/14/2024]
Abstract
Perovskite single crystals have garnered significant interest in photodetector applications due to their exceptional optoelectronic properties. The outstanding crystalline quality of these materials further enhances their potential for efficient charge transport, making them promising candidates for next-generation photodetector devices. This article reports the synthesis of methyl ammonium lead bromide (MAPbBr3) perovskite single crystal (SC) via the inverse-temperature crystallization method. To further improve the performance of the photodetector, Zn-porphyrin (Zn-PP) was used as a passivating agent during the growth of SC. The optical characterization confirmed the enhancement of optical properties with Zn-PP passivation. On single-crystal surfaces, integrated photodetectors are fabricated, and their photodetection performances are evaluated. The results show that the single-crystalline photodetector passivated with 0.05% Zn-PP enhanced photodetection properties and rapid response speed. The photoelectric performance of the device, including its responsivity (R), external quantum efficiency (EQE), detective nature (D), and noise-equivalent power (NEP), showed an enhancement of the un-passivated devices. This development introduces a new potential to employ high-quality perovskite single-crystal-based devices for more advanced optoelectronics.
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Affiliation(s)
- Abdul Kareem Kalathil Soopy
- Department of Physics, College of Science, United Arab Emirates University, Al Ain 15551, United Arab Emirates
| | - Shengzhong Frank Liu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Dalian 116023, China
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Adel Najar
- Department of Physics, College of Science, United Arab Emirates University, Al Ain 15551, United Arab Emirates
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Pashaei B. Improving the performance of perovskite solar cells by extending π-conjugation system. RSC Adv 2024; 14:19083-19089. [PMID: 38895525 PMCID: PMC11184581 DOI: 10.1039/d4ra03173c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Accepted: 05/14/2024] [Indexed: 06/21/2024] Open
Abstract
In perovskite solar cells (PSCs), hole transporting materials (HTMs) play a critical role in determining the stability and efficiency of the devices. However, the high cost and complex synthesis processes associated with conventional HTMs can hinder their widespread applications. This work presents a low-cost and efficient HTM, namely N,N'-(naphthalene-1,5-diyl)bis(1-(dibenzo[a,c]phenazin-11-yl)-1-phenylmethanimine) (PEDN), based on a naphthalene core with an extended π-conjugation system for improving the performance of PSCs. The PEDN was synthesized via a facile two-step condensation method, eliminating the need for expensive catalysts such as BINAP. The newly developed HTM with an extended π-conjugation length was compared with BEDN and spiro-OMeTAD as the benchmark HTM, in terms of their optical, electrochemical, hole mobility properties, and efficiency in PSCs. The PEDN showed suitable highest occupied molecular orbital levels (HOMOs), good hole mobilities, as well as strong hydrophobicities. The extended π-conjugation system in PEDN contributes to the stability of the solar cells. The PSCs fabricated with PEDN achieved a high efficiency of 18.61%, comparable to the efficiency obtained using the commonly used HTM spiro-OMeTAD (19.68%). Furthermore, the cost-effectiveness of PEDN makes it a suitable alternative to spiro-OMeTAD for PSC applications.
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Affiliation(s)
- Babak Pashaei
- Department of Inorganic Chemistry, Faculty of Chemistry, University of Mazandaran Babolsar Iran
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Lee K, Kim Y, Lee J, Park Y, Cho K, Kim WS, Park J, Kim K. Vacuum-Processed Propylene Urea Additive: A Novel Approach for Controlling the Growth of CH 3NH 3PbI 3 Crystals in All Vacuum-Processed Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2024; 16:21915-21923. [PMID: 38642042 DOI: 10.1021/acsami.4c02043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/22/2024]
Abstract
In this study, we present a novel method for controlling the growth of perovskite crystals in the vacuum thermal evaporation process by utilizing a vacuum-processable additive, propylene urea (PU). By coevaporation of perovskite precursors with PU to form the perovskite layer, PU, acting as a Lewis base additive, retards the direct reaction between the perovskite precursors. This facilitates a larger domain size and reduced defect density. Following the removal of the residual additive, the perovskite layer, exhibiting improved crystallinity, demonstrates reduced charge recombination, as confirmed by a time-resolved microwave conductivity analysis. Consequently, there is a notable enhancement in open-circuit voltage and power conversion efficiency, increasing from 1.05 to 1.15 V and from 17.17 to 18.31%, respectively. The incorporation of a vacuum-processable and removable Lewis base additive into the fabrication of vacuum-processed perovskite solar cells offers new avenues for optimizing these devices.
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Affiliation(s)
- Kyungmin Lee
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Yerim Kim
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Juhwan Lee
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Youmin Park
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Kayoung Cho
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Won-Suk Kim
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Republic of Korea
| | - JaeHong Park
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Kyungkon Kim
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Republic of Korea
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7
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Cheng W, Wu S, Lu J, Li G, Li S, Tian W, Li L. Self-Powered Wide-Narrow Bandgap-Laminated Perovskite Photodetector with Bipolar Photoresponse for Secure Optical Communication. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307534. [PMID: 38010259 DOI: 10.1002/adma.202307534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/31/2023] [Indexed: 11/29/2023]
Abstract
Perovskite photodetectors with bipolar photoresponse characteristics are expected to be applied in the field of secure optical communication (SOC). However, how to realize the perovskite photodetector with bipolar response remains challenging. Herein, by introducing bismuth iodide (BiI3 ) into Sn-Pb mixed perovskite precursor solution, 2D perovskite FA3 Bi2 I9 is spontaneously formed at the bottom to realize a wide-narrow bandgap-laminated perovskite film. Wavelength-dependent bipolar response is realized based on the absorption difference of the photoactive region with different bandgap combined with the carrier competition of the homotypic transport layer adopted in the as-fabricated photodetector. Under the visible/near-infrared (NIR) light irradiation, the bottom/top of the film generates a higher carrier concentration, where electrons are easier to be separated and transported by the SnO2 /PC61 BM to the bottom/top electrodes, respectively, resulting in a negative and positive bipolar response. Finally, based on positive NIR signal as the effective signal and negative visible signal as the interference signal, the SOC system is realized, where the positive NIR signal is well hidden by the negative visible signal. This work provides a simple and feasible strategy for fabrication of laminated perovskite films to achieve bipolar response.
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Affiliation(s)
- Wenjie Cheng
- School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Center for Energy Conversion Materials & Physics (CECMP), Soochow University, Suzhou, 215006, China
| | - Shaolong Wu
- School of Optoelectronic Science and Engineering, Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province & Key Lab of Modern Optical Technologies of Education Ministry of China, Soochow University, Suzhou, 215006, China
| | - Jiayu Lu
- School of Optoelectronic Science and Engineering, Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province & Key Lab of Modern Optical Technologies of Education Ministry of China, Soochow University, Suzhou, 215006, China
| | - Guoyi Li
- School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Center for Energy Conversion Materials & Physics (CECMP), Soochow University, Suzhou, 215006, China
| | - Shenghong Li
- School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Center for Energy Conversion Materials & Physics (CECMP), Soochow University, Suzhou, 215006, China
| | - Wei Tian
- School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Center for Energy Conversion Materials & Physics (CECMP), Soochow University, Suzhou, 215006, China
- Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, 215123, 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, China
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Xie H, Que W. Solvothermal synthesis of SnO 2 nanoparticles for perovskite solar cells application. Front Chem 2024; 12:1361275. [PMID: 38348406 PMCID: PMC10859403 DOI: 10.3389/fchem.2024.1361275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Accepted: 01/22/2024] [Indexed: 02/15/2024] Open
Abstract
Perovskite solar cells show great potential application prospects in the field of solar cells due to their promising properties. However, most perovskite solar cells that exhibit excellent photovoltaic performance typically require a carrier transport layer that necessitates a high-temperature annealing process. This greatly restricts the scalability and compatibility of perovskite solar cells in flexible electronics. In this paper, SnO2 nanoparticles with high crystallinity, good dispersibility and uniform particle size distribution are first prepared using a solvothermal method and dispersed in n-butanol solution. SnO2 electron transport layers are then prepared by a low-temperature spin coating method, and the photovoltaic characteristics of perovskite solar cells prepared with different SnO2 nanoparticles/n-butanol concentrations are studied. Results indicate that the rigid perovskite solar cell achieves the highest power conversion efficiency of 15.61% when the concentration of SnO2 nanoparticles/n-butanol is 15 mg mL-1. Finally, our strategy is successfully applying on flexible perovskite solar cells with a highest PCE of 14.75%. Our paper offers a new possibility for large-scale preparation and application of perovskite solar cells in flexible electronics in the future.
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Affiliation(s)
- Haixia Xie
- School of Science, Xi’an University of Architecture and Technology, Xi’an, China
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education, School of Electronic Science and Engineering, Institute of Advanced Energy Storage Electronic Materials and Devices, Xi’an Jiaotong University, Xi’an, China
| | - Wenxiu Que
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education, School of Electronic Science and Engineering, Institute of Advanced Energy Storage Electronic Materials and Devices, Xi’an Jiaotong University, Xi’an, China
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9
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Soopy AKK, Parida B, Aravindh SA, O. Al Ghaithi A, Qamhieh N, Amrane N, Benkraouda M, Liu S(F, Najar A. Towards High Performance: Solution-Processed Perovskite Solar Cells with Cu-Doped CH 3NH 3PbI 3. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:172. [PMID: 38251137 PMCID: PMC10821043 DOI: 10.3390/nano14020172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 12/29/2023] [Accepted: 01/03/2024] [Indexed: 01/23/2024]
Abstract
Perovskite solar cells (PSCs) have demonstrated remarkable photovoltaic performance, positioning themselves as promising devices in the field. Theoretical calculations suggest that copper (Cu) can serve as an effective dopant, potentially occupying interstitial sites in the perovskite structure, thereby reducing the energy barrier and enhancing carrier extraction. Subsequent experimental investigations confirm that adding CuI as an additive to MAPbI3-based perovskite cells improves optoelectronic properties and overall device performance. Optimizing the amount of Cu (0.01 M) has been found to significantly enhance crystalline quality and grain size, leading to improved light absorption and suppressed carrier recombination. Consequently, the power conversion efficiency (PCE) of Cu-doped PSCs increased from 16.3% to 18.2%. However, excessive Cu doping (0.1 M) negatively impacts morphology, resulting in inferior optical properties and diminished device performance. Furthermore, Cu-doped PSCs exhibit higher stabilized power output (SPO) compared to pristine cells. This study underscores the substantial benefits of Cu doping for advancing the development of highly efficient PSCs.
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Affiliation(s)
- Abdul Kareem Kalathil Soopy
- Department of Physics, College of Science, United Arab Emirates University, Al Ain 15551, United Arab Emirates; (A.K.K.S.); (B.P.); (A.O.A.G.); (N.Q.); (N.A.); (M.B.)
| | - Bhaskar Parida
- Department of Physics, College of Science, United Arab Emirates University, Al Ain 15551, United Arab Emirates; (A.K.K.S.); (B.P.); (A.O.A.G.); (N.Q.); (N.A.); (M.B.)
| | - S. Assa Aravindh
- Nano and Molecular Systems Research Unit (NANOMO), University of Oulu, Pentti Kaiteran Katu 1, 90570 Oulu, Finland;
| | - Asma O. Al Ghaithi
- Department of Physics, College of Science, United Arab Emirates University, Al Ain 15551, United Arab Emirates; (A.K.K.S.); (B.P.); (A.O.A.G.); (N.Q.); (N.A.); (M.B.)
| | - Naser Qamhieh
- Department of Physics, College of Science, United Arab Emirates University, Al Ain 15551, United Arab Emirates; (A.K.K.S.); (B.P.); (A.O.A.G.); (N.Q.); (N.A.); (M.B.)
| | - Noureddine Amrane
- Department of Physics, College of Science, United Arab Emirates University, Al Ain 15551, United Arab Emirates; (A.K.K.S.); (B.P.); (A.O.A.G.); (N.Q.); (N.A.); (M.B.)
| | - Maamar Benkraouda
- Department of Physics, College of Science, United Arab Emirates University, Al Ain 15551, United Arab Emirates; (A.K.K.S.); (B.P.); (A.O.A.G.); (N.Q.); (N.A.); (M.B.)
| | - Shengzhong (Frank) Liu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Dalian 116023, China
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Adel Najar
- Department of Physics, College of Science, United Arab Emirates University, Al Ain 15551, United Arab Emirates; (A.K.K.S.); (B.P.); (A.O.A.G.); (N.Q.); (N.A.); (M.B.)
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10
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Chai Y, Jiang C, Hu X, Han J, Wang Y, Yang W, Li C, Zeng H, Li X. Homogeneous Bridging Induces Compact and Scalable Perovskite Thick Films for X-Ray Flat-Panel Detectors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2305357. [PMID: 37635124 DOI: 10.1002/smll.202305357] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/15/2023] [Indexed: 08/29/2023]
Abstract
Solution-processed organic-inorganic hybrid perovskite polycrystalline thick films have shown great potential in X-ray detection. However, the preparation of compact perovskite thick films with large area is still challenging due to the limitation of feasible ink formulation and pinholes caused by solvent volatilization. Post-treatment and hot-pressing are usually involved to improve the film quality, which is however unsuitable for subsequent integration. In this work, a homogeneous bridging strategy is developed to prepare compact perovskite films directly. A stable perovskite slurry with suitable viscosity consisting of undissolved grains and supersaturated solution is formed by adding a weak coordination solvent to the pre-synthesized microcrystalline powders. Small perovskite grains in situ grow from the saturated solution during the annealing, filling the pinholes and connecting the surrounding original grains. As a result, large-area perovskite thick film with tight grain arrangement and ultralow current drift is blade-coated to achieve X-ray imaging. The optimal device displays an impressive mobility-lifetime product of 2.2 × 10-3 cm2 V-1 and a champion ratio of sensitivity to the dark current density of 2.23 × 1011 µC Gyair -1 A-1 . This work provides a simple and effective route to prepare high-quality perovskite thick films, which is instructive for the development of perovskite-based X-ray flat-panel detectors.
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Affiliation(s)
- Yingjun Chai
- MIIT Key Laboratory of Advanced Display Material and Devices, School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Chaoyan Jiang
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, China
| | - Xudong Hu
- MIIT Key Laboratory of Advanced Display Material and Devices, School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Jiguang Han
- MIIT Key Laboratory of Advanced Display Material and Devices, School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Yao Wang
- MIIT Key Laboratory of Advanced Display Material and Devices, School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Wanqiu Yang
- MIIT Key Laboratory of Advanced Display Material and Devices, School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Chongkang Li
- MIIT Key Laboratory of Advanced Display Material and Devices, School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Haibo Zeng
- MIIT Key Laboratory of Advanced Display Material and Devices, School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Xiaoming Li
- MIIT Key Laboratory of Advanced Display Material and Devices, School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
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11
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Takahashi S, Uchida S, Segawa H. Effect of Chloride Incorporation on the Intermediate Phase and Film Morphology of Methylammonium Lead Halide Perovskites. ACS OMEGA 2023; 8:42711-42721. [PMID: 38024716 PMCID: PMC10652270 DOI: 10.1021/acsomega.3c05463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/16/2023] [Accepted: 10/18/2023] [Indexed: 12/01/2023]
Abstract
The influence of chloride integration on perovskite film deposition, encompassing both the structures of intermediate phases and the properties of the final films, was explored. Our methodology involved the fabrication of perovskite intermediate-phase films with varying concentrations of methylammonium chloride (MACl). Subsequently, we conducted an analysis employing X-ray diffraction and Rietveld refinement, incorporating the March-Dollase correction, to gain insights into how chloride-induced intermediate phases impact film morphology. Remarkably, a distinct preferred orientation was observed in the (020) lattice plane perpendicular to the substrate surface, and this orientation was found to be directly correlated to the MACl concentration. This distinctive arrangement of chloride-induced intermediate-phase complexes facilitated controlled crystallization, leading to highly oriented crystals and an improved film morphology. As a consequence, perovskite solar cell devices incorporating chloride-containing methylammonium lead iodide achieved a power conversion efficiency exceeding 20%. These findings suggest a crucial link between the preferred orientation observed in the final chlorine-derived perovskite films and the intermediate-phase structure formed during the initial stages of perovskite formation. These results suggest a profound impact of intermediate phase compositions and crystal structures on perovskite formation, emphasizing the importance of a comprehensive understanding of these factors to enable precise control over ideal structures and the subsequent transformation into high-quality perovskite films.
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Affiliation(s)
- Saemi Takahashi
- Research
Association for Technology Innovation of Organic Photovoltaics (RATO), Komaba 4-6-1, Meguro-ku, Tokyo 153-8904, Japan
- Department
of General Systems Studies, Graduate School of Arts and Sciences, The University of Tokyo, Komaba 3-8-1, Meguro-ku, Tokyo 153-8902, Japan
| | - Satoshi Uchida
- Research
Center for Advanced Science and Technology, The University of Tokyo, Komaba 4-6-1, Meguro-ku, Tokyo 153-8904, Japan
| | - Hiroshi Segawa
- Research
Association for Technology Innovation of Organic Photovoltaics (RATO), Komaba 4-6-1, Meguro-ku, Tokyo 153-8904, Japan
- Research
Center for Advanced Science and Technology, The University of Tokyo, Komaba 4-6-1, Meguro-ku, Tokyo 153-8904, Japan
- Department
of General Systems Studies, Graduate School of Arts and Sciences, The University of Tokyo, Komaba 3-8-1, Meguro-ku, Tokyo 153-8902, Japan
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12
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Ghosh T, Gupta M, Nanda BRK, Shankar K, Pradhan D. Dimension-Controlled Synthesis of Hybrid-Mixed Halide Perovskites for Solar Cell Application. ACS APPLIED MATERIALS & INTERFACES 2023; 15:43909-43924. [PMID: 37694832 DOI: 10.1021/acsami.3c09936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Despite the rapid improvement of photovoltaic (PV) efficiency in hybrid organic-inorganic metal halide perovskites (HOIPs), the fabrication procedure of a compact thin film in a large-area application is still a tedious work. Apart from the quality of the thin film, the stability of the perovskite materials and the expensive organic hole transport layer (HTL) within the HOIP-based PV device are the major issues that need to be addressed prior to their commercialization. Herein, a unique glass rod-based facile fabrication technique for producing a compact and stable thin film utilizing a mixed-halide-based perovskite precursor solution is demonstrated. The fabricated devices deliver high photoconversion efficiency (PCE) without the use of any HTL and show an excellent stability under ambient conditions. By varying the organic CH3NH3I (MAI) and inorganic PbBr2 content, perovskite materials with different dimensions, i.e., 3D, 2D, and 1D, are synthesized to produce an active layer for PV devices. Although a 2D single-halide perovskite is reported earlier, herein two different mixed-halide 2D perovskites, i.e., MA2PbI2Br2 and MAPb2IBr4, are synthesized successfully, and their performance is compared in detail along with that of 1D and 3D mixed-halide perovskites. The facile synthesized mixed-halide 2D-based MA2PbI2Br2 perovskite shows a PCE of 10.14% with a high stability of 92% after 100 days without encapsulation, which is much superior as compared to that of the mixed-halide 3D MAPbIBr2. The semiconducting behavior as well as the nature of the bandgap of the synthesized compounds is examined by pursuing density functional theory calculations. Specifically, the role of iodine doping to modify the electronic band structure is investigated, and introduction of iodine is found to reduce the effective masses of both electrons and holes in the perovskite material.
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Affiliation(s)
- Tuhin Ghosh
- Materials Science Centre, Indian Institute of Technology Kharagpur, Kharagpur 721 302, India
| | - Mayank Gupta
- Condensed Matter Theory and Computational Lab, Department of Physics, IIT Madras, Chennai 600036, India
- Center for Atomistic Modeling and Materials Design, IIT Madras, Chennai 600036, India
| | - Birabar Ranjit Kumar Nanda
- Condensed Matter Theory and Computational Lab, Department of Physics, IIT Madras, Chennai 600036, India
- Center for Atomistic Modeling and Materials Design, IIT Madras, Chennai 600036, India
| | - Karthik Shankar
- Department of Electrical and Computer Engineering, University of Alberta, Edmonton AB T6G 1H9, Canada
| | - Debabrata Pradhan
- Materials Science Centre, Indian Institute of Technology Kharagpur, Kharagpur 721 302, India
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13
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Zhang X, Fei C, Shen L, Baral P, Vijayaraghavan SN, Yan F, Gong X, Wang H. Manipulating Nucleation and Crystal Growth of Inorganic Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2023; 15:38522-38529. [PMID: 37548761 DOI: 10.1021/acsami.3c08746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Inorganic metal halide perovskite materials as sunlight absorbers for solar cells exhibit better thermal stability than organic-inorganic hybrid counterparts. Pure cesium lead triiodide (CsPbI3), with the most suitable band gap, suffers phase instability under an ambient environment. Nucleation and crystal growth are two crucial steps in fabricating a solution-processed perovskite film. A high-quality perovskite film with good morphology makes a significant impact on the efficiency and stability of perovskite solar cells. Dimethylformamide (DMF) is a commonly used aprotic solvent. However, it is difficult to obtain a high-quality inorganic perovskite film using DMF as a single solvent due to its slow evaporation and strong coordination with Pb2+. Here, we investigate dimethylacetamide (DMAc)/DMF as a cosolvent to prompt nucleation during the spin-coating process, leading to higher nucleation density and better surface coverage. In addition, we introduce CsBr in dimethylammonium lead triiodide (DMAPbI3)/CsI precursors to slow down the crystal growth process. CsBr does not increase the film band gap but leads to a pinhole-free film with better crystallinity. Through nucleation and crystal growth engineering, the power conversion efficiency of inorganic perovskite devices is improved to 17.67%, and ambient environment stability is significantly enhanced.
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Affiliation(s)
- Xinwen Zhang
- Department of Physics, University of Miami, Coral Gables, Florida 33146, United States
| | - Chengbin Fei
- Department of Physics, University of Miami, Coral Gables, Florida 33146, United States
| | - Lening Shen
- School of Polymer Science and Polymer Engineering, College of Engineering and Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - Pramod Baral
- Department of Physics, University of Miami, Coral Gables, Florida 33146, United States
| | | | - Feng Yan
- Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, Alabama 35487, United States
| | - Xiong Gong
- School of Polymer Science and Polymer Engineering, College of Engineering and Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - He Wang
- Department of Physics, University of Miami, Coral Gables, Florida 33146, United States
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14
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Zhong H, Pan F, Yue S, Qin C, Hadjiev V, Tian F, Liu X, Lin F, Wang Z, Bao J. Idealizing Tauc Plot for Accurate Bandgap Determination of Semiconductor with Ultraviolet-Visible Spectroscopy: A Case Study for Cubic Boron Arsenide. J Phys Chem Lett 2023:6702-6708. [PMID: 37467492 DOI: 10.1021/acs.jpclett.3c01416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
The Tauc plot is widely used to determine the bandgap of semiconductors, but the actual plot often exhibits significant baseline absorption below the expected bandgap, leading to bandgap discrepancies from two different extrapolations. In this work, we first discuss the origin of baseline absorption and show that both extrapolation methods can produce significant errors by simulating Tauc plots with varying levels of baseline absorption. We then propose and experimentally verify a new method that idealizes the absorption spectrum by removing its baseline before constructing the Tauc plot. Finally, we apply this new method to cubic boron arsenide (c-BAs), resolve its bandgap discrepancies, and obtain a converging bandgap of 1.835 eV based on both previous and new transmission spectra. The method is applicable to both indirect and direct bandgap semiconductors with absorption spectrum measured via transmission or diffuse reflectance, which will become essential to obtain accurate values of their bandgaps.
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Affiliation(s)
- Hong Zhong
- Department of Electrical and Computer Engineering and Texas Center for Superconductivity at the University of Houston (TcSUH), University of Houston, Houston, Texas 77204, United States
| | - Fengjiao Pan
- Department of Physics and Texas Center for Superconductivity at the University of Houston (TcSUH), University of Houston, Houston, Texas 77204, United States
| | - Shuai Yue
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chengzhen Qin
- Materials Science & Engineering Program, University of Houston, Houston, Texas 77204, United States
| | - Viktor Hadjiev
- Department of Mechanical Engineering and Texas Center for Superconductivity at the University of Houston (TcSUH), University of Houston, Houston, Texas 77204, United States
| | - Fei Tian
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, Guangdong 510006, China
| | - Xinfeng Liu
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Feng Lin
- National Center for International Research on Photoelectric and Energy Materials, School of Materials and Energy, Yunnan University, Kunming 650091, China
| | - Zhiming Wang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China
| | - Jiming Bao
- Department of Electrical and Computer Engineering and Texas Center for Superconductivity at the University of Houston (TcSUH), University of Houston, Houston, Texas 77204, United States
- Department of Physics and Texas Center for Superconductivity at the University of Houston (TcSUH), University of Houston, Houston, Texas 77204, United States
- Materials Science & Engineering Program, University of Houston, Houston, Texas 77204, United States
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15
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Ma M, Zeng Y, Yang Y, Zhang C, Ma Y, Wu S, Liu C, Mai Y. Dendrimer Modification Strategy Based on the Understanding of the Photovoltaic Mechanism of a Perovskite Device under Full Sun and Indoor Light. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37197996 DOI: 10.1021/acsami.3c02979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
The wide-band-gap inorganic CsPbI2Br perovskite material provides a highly matched absorption range with the indoor light spectrum and is expected to be used in the fabrication of highly efficient indoor photovoltaic cells (IPVs) and self-powered low-power Internet of Things (IoT) sensors. However, the defects that cause nonradiative recombination and ion migration are assumed to form leakage loss channels, resulting in a severe impact on the open-circuit voltage (VOC) and the fill factor (FF) of IPVs. Herein, we introduce poly(amidoamine) (PAMAM) dendrimers with multiple passivation sites to fully repair the leakage channels in the devices, taking into account the characteristics of IPVs that are extremely sensitive to nonradiative recombination and shunt resistance. The as-optimized IPVs demonstrate a promising PCE of 35.71% under a fluorescent light source (1000 lux), with VOC increased from 0.99 to 1.06 V and FF improved from 75.21 to 84.39%. The present work provides insight into the photovoltaic mechanism of perovskites under full sun and indoor light, which provides guidance for perovskite photovoltaic technology with industrialization prospects.
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Affiliation(s)
- Mengen Ma
- Institute of New Energy Technology, College of Information Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yilin Zeng
- Institute of New Energy Technology, College of Information Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yuzhao Yang
- Institute of New Energy Technology, College of Information Science and Technology, Jinan University, Guangzhou 510632, China
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Cuiling Zhang
- Institute of New Energy Technology, College of Information Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yujiao Ma
- 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
| | - Chong Liu
- 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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16
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Ghosh T, Mane P, Chakraborty B, Sahoo PK, Pradhan D. Laterally Grown Strain-Engineered Semitransparent Perovskite Solar Cells with 16.01% Efficiency. ACS APPLIED MATERIALS & INTERFACES 2023; 15:17994-18005. [PMID: 36978214 DOI: 10.1021/acsami.2c20124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Hybrid organometallic halide perovskite-based semitransparent solar cell research has garnered significant attention recently due to their promising applications for smart windows, tandem devices, wearable electronics, displays, and sustainable internet-of-things. Though considerable progress has been made, stability, controlling the crystalline qualities, and growth orientation in perovskite thin films play crucial roles in improving the photovoltaic (PV) performance. Recently, strain modulation within the perovskite gathers an immense interest that is achieved by the ex situ process. However, little work is reported on in situ strain modulation, which is presented here. Apart from the challenges in the fabrication of high-efficiency perovskite solar cell (PSC) devices under ambient conditions, the stability of organic hole-transporting materials needs urgent attention. Herein, a single-step deposition of formamidiniumchloride (FACl)-mediated CH3NH3PbI3 (MAPbI3) thin films without an inert atmosphere and CuI as the inorganic hole-transporting material is demonstrated for their potential application toward semitransparent PSCs. The FACl amount in MAPbI3 (mg/mL) plays a critical role in controlling the crystallinity, growth orientations, and in situ strains, which modulate the charge carrier transport dynamics, thereby improving the efficiency of the PSC device. A photoconversion efficiency of 16.01% has been achieved from MAPbI3 with 20 mg/mL of FACl additive incorporation. The modification of the structural, electronic, and optical properties and the origin of strain in the as-synthesized MAPbI3 domains due to the addition of FACl are further validated with experimental findings in detail using density functional theory simulations.
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Affiliation(s)
- Tuhin Ghosh
- Materials Science Centre, Indian Institute of Technology, Kharagpur 721 302, India
| | - Pratap Mane
- Seismology Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
| | - Brahmananda Chakraborty
- High Pressure and Synchroton Radiation Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
- Homi Bhabha National Institute, Mumbai 400094, India
| | - Prasana Kumar Sahoo
- Materials Science Centre, Indian Institute of Technology, Kharagpur 721 302, India
| | - Debabrata Pradhan
- Materials Science Centre, Indian Institute of Technology, Kharagpur 721 302, India
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17
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Gollino L, Mercier N, Pauporté T. Exploring Solar Cells Based on Lead- and Iodide-Deficient Halide Perovskite (d-HP) Thin Films. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1245. [PMID: 37049339 PMCID: PMC10096836 DOI: 10.3390/nano13071245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 06/19/2023]
Abstract
Perovskite solar cells have become more and more attractive and competitive. However, their toxicity induced by the presence of lead and their rather low stability hinders their potential and future commercialization. Reducing lead content while improving stability then appears as a major axis of development. In the last years, we have reported a new family of perovskite presenting PbI+ unit vacancies inside the lattice caused by the insertion of big organic cations that do not respect the Goldschmidt tolerance factor: hydroxyethylammonium HO-(CH2)2-NH3+ (HEA+) and thioethylammonium HS-(CH2)2-NH3+ (TEA+). These perovskites, named d-HPs for lead and halide-deficient perovskites, present a 3D perovskite corner-shared Pb1-xI3-x network that can be assimilated to a lead-iodide-deficient MAPbI3 or FAPbI3 network. Here, we propose the chemical engineering of both systems for solar cell optimization. For d-MAPbI3-HEA, the power conversion efficiency (PCE) reached 11.47% while displaying enhanced stability and reduced lead content of 13% compared to MAPbI3. On the other hand, d-FAPbI3-TEA delivered a PCE of 8.33% with astounding perovskite film stability compared to classic α-FAPI. The presence of TEA+ within the lattice impedes α-FAPI degradation into yellow δ-FAPbI3 by direct degradation into inactive Pb(OH)I, thus dramatically slowing the aging of d-FAPbI3-TEA perovskite.
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Affiliation(s)
- Liam Gollino
- Institut de Recherche de Chimie-Paris (IRCP), UMR8247, CNRS, Chimie-ParisTech, PSL Université, 11 rue Pierre et Marie Curie, CEDEX 5, 75231 Paris, France
| | - Nicolas Mercier
- MOLTECH-Anjou, UMR 6200, University of Angers, 2 boulevard de Lavoisier, 49045 Angers, France
| | - Thierry Pauporté
- Institut de Recherche de Chimie-Paris (IRCP), UMR8247, CNRS, Chimie-ParisTech, PSL Université, 11 rue Pierre et Marie Curie, CEDEX 5, 75231 Paris, France
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18
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Chen HC, Zheng YJ, Liao BH, Wong SD, Zheng XY. Nickel oxide morphology synthesized with a hydrothermal method for inverted perovskite solar cells. APPLIED OPTICS 2023; 62:B148-B155. [PMID: 37132900 DOI: 10.1364/ao.476519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
In this paper, a hydrothermal method is used to synthesize a nickel oxide nanostructure (nano-NiO) for its application to inverted perovskite solar cells. These pore nanostructures were employed to increase both the contact and channel between the hole transport and perovskite layers of an ITO/nano-N i O/C H 3 N H 3 P b I 3/P C B M/A g device. The purpose of this research is twofold. First, three different nano-NiO morphologies were synthesized at temperatures of 140°C, 160°C, and 180°C. Then, a Raman spectrometer was used to check the phonon vibration and magnon scattering characteristics after an annealing temperature of 500°C. Second, nano-NiO powders were dispersed in isopropanol for subsequent spin coating on the inverted solar cells. The nano-NiO morphologies were multi-layer flakes, microspheres, and particles at synthesis temperatures of 140°C, 160°C, and 180°C, respectively. When the microsphere nano-NiO was used as the hole transport layer, the perovskite layer had a larger coverage of 83.9%. The grain size of the perovskite layer was analyzed by x-ray diffraction, and strong crystal orientations of (110) and (220) peaks were found. Despite this, the power conversion efficiency could affect the promotion, which is 1.37 times higher than the poly(3,4-ethylenedioxythiophene) polystyrene sulfonate element conversion efficiency of the planar structure.
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19
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Kinoshita T, Fukumoto K, Segawa H. Crystal structure of bis-[octa-kis-(di-methyl sulfoxide-κ O)-ytterbium(III)] penta-bromido-plumbate(II) tribromide di-methyl sulfoxide monosolvate: a ytterbium-doped lead halide perovskite precursor. Acta Crystallogr E Crystallogr Commun 2023; 79:402-405. [PMID: 37057005 PMCID: PMC10088316 DOI: 10.1107/s2056989023002852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 03/24/2023] [Indexed: 04/15/2023]
Abstract
A mixture of PbBr2 and YbBr3·nH2O in a dimethyl sulfoxide (DMSO) solution yielded single crystals of a lead halide perovskite precursor with ytterbium, bis-[octa-kis-(di-methyl sulfoxide)-ytterbium(III)]penta-bromido-plumbate(II) tri-bromide with di-methyl sulfoxide as co-crystallite, [Yb(C2H6OS)8][PbBr5]0.5Br1.5·0.5C2H6OS. The complex ions PbBr5 3- and Yb(DMSO)8 3+ are present in the crystal together with three Br- ions and DMSO mol-ecules. X-ray crystallography revealed that the Br- ions in YbBr3 are replaced by the solvent and bound to a PbII atom or remain free. The presence of PbBr5 3- units, which are mol-ecular ions with a square-pyramidal structure, is also observed. These single crystals react with a caesium chloride solution, exhibiting near-infrared (NIR) luminescence by visible photoexcitation, suggesting the formation of Yb3+-doped lead halide perovskites (CsPbBr3-x Cl x ·Yb3+).
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Affiliation(s)
- Takumi Kinoshita
- Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
- Correspondence e-mail:
| | - Kanna Fukumoto
- Research Center for Advanced Science and Technology (RCAST), The University of, Tokyo 4-6-1, Komaba, Meguro-ku, Tokyo, 153-8904, Japan
| | - Hiroshi Segawa
- Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
- Research Center for Advanced Science and Technology (RCAST), The University of, Tokyo 4-6-1, Komaba, Meguro-ku, Tokyo, 153-8904, Japan
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20
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Zhou H, Chen M, Liu C, Zhang R, Li J, Liao S, Lu H, Yang Y. Interfacial passivation of CsPbI 3 quantum dots improves the performance of hole-transport-layer-free perovskite photodetectors. NANOSCALE RESEARCH LETTERS 2023; 18:11. [PMID: 36780122 DOI: 10.1186/s11671-023-03793-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 02/07/2023] [Indexed: 05/24/2023]
Abstract
Photodetectors (PDs) suffer from dark current due to defects in the perovskite photosensitive layer. Contact between the photosensitive layer and carbon electrodes could result in recombination of carriers at the interface. In this work, CsPbI3 quantum dots (QDs) were added between the photosensitive layer and the carbon electrode as the interfacial layer to passivate the surface defects of perovskite layer and improve the energy level matching at the interface. The effect of QDs concentrations on the passivation of the perovskite layer was investigated. It was found that the photoluminescence intensity of perovskite films was the strongest and the decay lifetime was the longest when the QDs concentration was 3 mg/mL. Owing to QDs passivation, the dark current of perovskite PD decreased by 94% from [Formula: see text] to [Formula: see text] A. The responsivity (R) at 605 nm improved by 27% from 0.29 to 0.37 A/W at 0 V bias voltage. The specific detectivity (D*) increased by 420% from [Formula: see text] to [Formula: see text] Jones.
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Affiliation(s)
- Houpu Zhou
- Department of Physics, School of Science, Wuhan University of Technology, Wuhan, China
| | - Mengwei Chen
- Department of Physics, School of Science, Wuhan University of Technology, Wuhan, China.
- Hubei Engineering Research Center of RF-Microwave Technology and Application, Wuhan University of Technology, Wuhan, 430070, China.
| | - Chenguang Liu
- Department of Physics, School of Science, Wuhan University of Technology, Wuhan, China
| | - Rui Zhang
- Department of Physics, School of Science, Wuhan University of Technology, Wuhan, China
| | - Jing Li
- Department of Physics, School of Science, Wuhan University of Technology, Wuhan, China
| | - Sainan Liao
- Department of Physics, School of Science, Wuhan University of Technology, Wuhan, China
| | - Haifei Lu
- Department of Physics, School of Science, Wuhan University of Technology, Wuhan, China
| | - Yingping Yang
- Department of Physics, School of Science, Wuhan University of Technology, Wuhan, China.
- Hubei Engineering Research Center of RF-Microwave Technology and Application, Wuhan University of Technology, Wuhan, 430070, China.
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21
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Gkini K, Orfanoudakis S, Tsipas P, Skoulikidou MC, Dimoulas A, Falaras P, Konstantakou M, Stergiopoulos T. ZrCl4 for energy level alignment at the perovskite/TiO2 interface. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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22
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Gallop NP, Ye J, Greetham GM, Jansen TLC, Dai L, Zelewski SJ, Arul R, Baumberg JJ, Hoye RLZ, Bakulin AA. The effect of caesium alloying on the ultrafast structural dynamics of hybrid organic-inorganic halide perovskites. JOURNAL OF MATERIALS CHEMISTRY. A 2022; 10:22408-22418. [PMID: 36352854 PMCID: PMC9624371 DOI: 10.1039/d2ta05207e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
Hybrid inorganic-organic perovskites have attracted considerable attention over recent years as promising processable electronic materials. In particular, the rich structural dynamics of these 'soft' materials has become a subject of investigation and debate due to their direct influence on the perovskites' optoelectronic properties. Significant effort has focused on understanding the role and behaviour of the organic cations within the perovskite, as their rotational dynamics may be linked to material stability, heterogeneity and performance in (opto)electronic devices. To this end, we use two-dimensional IR spectroscopy (2DIR) to understand the effect of partial caesium alloying on the rotational dynamics of the methylammonium cation in the archetypal hybrid perovskite CH3NH3PbI3. We find that caesium incorporation primarily inhibits the slower 'reorientational jump' modes of the organic cation, whilst a smaller effect on the fast 'wobbling time' may be due to distortions and rigidisation of the inorganic cuboctahedral cage. 2DIR centre-line-slope analysis further reveals that while static disorder increases with caesium substitution, the dynamic disorder (reflected in the phase memory of the N-H stretching mode of methylammonium) is largely independent of caesium addition. Our results contribute to the development of a unified model of cation dynamics within organohalide perovskites.
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Affiliation(s)
- Nathaniel P Gallop
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub 83 Wood Lane London W12 0BZ UK
| | - Junzhi Ye
- Cavendish Laboratory, University of Cambridge JJ Thomson Avenue Cambridge CB3 0HE UK
- Department of Materials, Imperial College London Exhibition Road London SW7 2AZ UK
| | - Gregory M Greetham
- Central Laser Facility, Rutherford Appleton Laboratory Harwell Campus Didcot OX11 0QX UK
| | - Thomas L C Jansen
- Zernike Institute for Advanced Materials, University of Groningen Nijenborgh 4 9747 AG Groningen Netherlands
| | - Linjie Dai
- Cavendish Laboratory, University of Cambridge JJ Thomson Avenue Cambridge CB3 0HE UK
| | - Szymon J Zelewski
- Cavendish Laboratory, University of Cambridge JJ Thomson Avenue Cambridge CB3 0HE UK
- Department of Semiconductor Materials Engineering, Faculty of Fundamental Problems of Technology, Wrocław University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
| | - Rakesh Arul
- Cavendish Laboratory, University of Cambridge JJ Thomson Avenue Cambridge CB3 0HE UK
| | - Jeremy J Baumberg
- Cavendish Laboratory, University of Cambridge JJ Thomson Avenue Cambridge CB3 0HE UK
| | - Robert L Z Hoye
- Department of Materials, Imperial College London Exhibition Road London SW7 2AZ UK
| | - Artem A Bakulin
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub 83 Wood Lane London W12 0BZ UK
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23
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Fang Y, Jiang Y, Yang Z, Xu Z, Wang Z, Lu X, Gao X, Zhou G, Liu JM, Gao J. A Nontoxic NFM Solvent for High-Efficiency Perovskite Solar Cells with a Widened Processing Window. ACS APPLIED MATERIALS & INTERFACES 2022; 14:47758-47764. [PMID: 36223655 DOI: 10.1021/acsami.2c13507] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
With the steady industrialization process of the perovskite solar cells (PSCs), the toxicity of the used solvents has become a pivotal issue that needs to be addressed. Especially, the usage of N,N-dimethylformamide (DMF) solvent would pose serious environmental and health concerns. Herein, we have reported a nontoxic solvent N-formylmorpholine (NFM) to replace the toxic DMF and have achieved a higher PCE of 22.78% compared to 21.97% when DMF was adopted. Moreover, with NFM, a widened antisolvent processing window was observed, facilitating the fabrication of PSCs with high reproducibility. This solvent engineering strategy offers an important solution to prepare eco-friendly, efficient, and stable perovskite solar cells.
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Affiliation(s)
- Yating Fang
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Yue Jiang
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Zhengchi Yang
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Zhengjie Xu
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Zhen Wang
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Xubing Lu
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Xingsen Gao
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Guofu Zhou
- Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Jun-Ming Liu
- Laboratory of Solid-State Microstructures, Nanjing University, Nanjing 210093, China
| | - Jinwei Gao
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
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24
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Moisture Trap Engineering for Recoverable and Stable Responsivity Generation in Perovskite Photodiode. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.09.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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25
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Bouich A, Marí-Guaita J, Soucase BM, Palacios P. Manufacture of High-Efficiency and Stable Lead-Free Solar Cells through Antisolvent Quenching Engineering. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12172901. [PMID: 36079939 PMCID: PMC9457650 DOI: 10.3390/nano12172901] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/20/2022] [Accepted: 08/21/2022] [Indexed: 05/16/2023]
Abstract
Antisolvent quenching has shown to significantly enhance several perovskite films used in solar cells; however, no studies have been conducted on its impact on MASnI3. Here, we investigated the role that different antisolvents, i.e., diethyl ether, toluene, and chlorobenzene, have on the growth of MASnI3 films. The crystallinity, morphology, topography, and optical properties of the obtained thin films were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), photoluminescence (PL) measurements, and UV-visible spectroscopy. The impact of the different antisolvent treatments was evaluated based on the surface homogeneity as well as the structure of the MASnI3 thin films. In addition, thermal annealing was optimized to control the crystallization process. The applied antisolvent was modified to better manage the supersaturation process. The obtained results support the use of chlorobenzene and toluene to reduce pinholes and increase the grain size. Toluene was found to further improve the morphology and stability of thin films, as it showed less degradation after four weeks under dark with 60% humidity. Furthermore, we performed a simulation using SCAPS-1D software to observe the effect of these antisolvents on the performance of MASnI3-based solar cells. We also produced the device FTO/TiO2/MASnI3/Spiro-OMeTAD/Au, obtaining a remarkable photoconversion efficiency (PCE) improvement of 5.11% when using the MASnI3 device treated with chlorobenzene. A PCE improvement of 9.44% was obtained for the MASnI3 device treated with toluene, which also showed better stability. Our results support antisolvent quenching as a reproducible method to improve perovskite devices under ambient conditions.
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Affiliation(s)
- Amal Bouich
- Escuela Técnica Superior de Ingeniería del Diseño, Universitat Politècnica de València, 46022 València, Spain
- Instituto de Energía Solar, ETSI Telecomunicación, Universidad Politécnica de Madrid, Ciudad Universitaria, s/n, 28040 Madrid, Spain
- Departamento de Física Aplicada a las Ingenierías Aeronáutica y Naval, ETSI Aeronáutica y del Espacio, Universidad Politécnica de Madrid, Pz. Cardenal Cisneros, 3, 28040 Madrid, Spain
- Correspondence: (A.B.); (B.M.S.)
| | - Julia Marí-Guaita
- Escuela Técnica Superior de Ingeniería del Diseño, Universitat Politècnica de València, 46022 València, Spain
| | - Bernabé Marí Soucase
- Escuela Técnica Superior de Ingeniería del Diseño, Universitat Politècnica de València, 46022 València, Spain
- Correspondence: (A.B.); (B.M.S.)
| | - Pablo Palacios
- Instituto de Energía Solar, ETSI Telecomunicación, Universidad Politécnica de Madrid, Ciudad Universitaria, s/n, 28040 Madrid, Spain
- Departamento de Física Aplicada a las Ingenierías Aeronáutica y Naval, ETSI Aeronáutica y del Espacio, Universidad Politécnica de Madrid, Pz. Cardenal Cisneros, 3, 28040 Madrid, Spain
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26
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Zhang Z, Liang J, Wang J, Zheng Y, Wu X, Tian C, Sun A, Chen Z, Chen CC. Resolving Mixed Intermediate Phases in Methylammonium-Free Sn-Pb Alloyed Perovskites for High-Performance Solar Cells. NANO-MICRO LETTERS 2022; 14:165. [PMID: 35974239 PMCID: PMC9381682 DOI: 10.1007/s40820-022-00918-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 07/16/2022] [Indexed: 06/01/2023]
Abstract
The complete elimination of methylammonium (MA) cations in Sn-Pb composites can extend their light and thermal stabilities. Unfortunately, MA-free Sn-Pb alloyed perovskite thin films suffer from wrinkled surfaces and poor crystallization, due to the coexistence of mixed intermediate phases. Here, we report an additive strategy for finely regulating the impurities in the intermediate phase of Cs0.25FA0.75Pb0.6Sn0.4I3 and, thereby, obtaining high-performance solar cells. We introduced d-homoserine lactone hydrochloride (D-HLH) to form hydrogen bonds and strong Pb-O/Sn-O bonds with perovskite precursors, thereby weakening the incomplete complexation effect between polar aprotic solvents (e.g., DMSO) and organic (FAI) or inorganic (CsI, PbI2, and SnI2) components, and balancing their nucleation processes. This treatment completely transformed mixed intermediate phases into pure preformed perovskite nuclei prior to thermal annealing. Besides, this D-HLH substantially inhibited the oxidation of Sn2+ species. This strategy generated a record efficiency of 21.61%, with a Voc of 0.88 V for an MA-free Sn-Pb device, and an efficiency of 23.82% for its tandem device. The unencapsulated devices displayed impressive thermal stability at 85 °C for 300 h and much improved continuous operation stability at MPP for 120 h.
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Affiliation(s)
- Zhanfei Zhang
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, People's Republic of China
| | - Jianghu Liang
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, People's Republic of China
| | - Jianli Wang
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, People's Republic of China
| | - Yiting Zheng
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, People's Republic of China
| | - Xueyun Wu
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, People's Republic of China
| | - Congcong Tian
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, People's Republic of China
| | - Anxin Sun
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, People's Republic of China
| | - Zhenhua Chen
- Shanghai Synchrotron Radiation Facility (SSRF), Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201800, People's Republic of China
| | - Chun-Chao Chen
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 20024, People's Republic of China.
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27
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Effects of Different Anti-Solvents and Annealing Temperatures on Perovskite Thin Films. CRYSTALS 2022. [DOI: 10.3390/cryst12081074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Since perovskite materials are currently mostly used in the active layer of solar cells, how to maximize the conversion efficiency of the active layer is the most urgent problem at present. In this regard, the extremely low voltage loss and tunable energy gap of methyl lead iodide (MAPbI3) perovskites make them very suitable for all perovskite solar cell applications, and are also compatible with silicon crystalline systems. Therefore, the future development of MAPbI3 perovskite will be very important. The key point of film formation in MAPbI3 is the addition of anti-solvent, which will affect the overall quality of the film. Whether it can be used as an excellent active layer to improve the application value will be very important. Therefore, the research purpose of this topic “Effects of different anti-solvents and annealing temperatures on perovskites” is to complete the basic research and development of a light-absorbing layer of a solar cell element, in which three different anti-solvents need to be matched with each other as the active light-absorbing layer of a solar cell. Through optimization, using the chemical properties of different anti-solvents and different annealing temperatures, combined with the low-process-cost characteristics of organic materials and many other advantages, we researched the optimized process methods and parameters to improve the absorption efficiency of the active light-absorbing layer.
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Abstract
Perovskite solar cells (PSCs) are a promising and fast-growing type of photovoltaic cell due to their low cost and high conversion efficiency. The high efficiency of PSCs is closely related to the quality of the photosensitive layer, and the high-quality light absorbing layer depends on the growth condition of the crystals. In the formation of high-quality crystals, annealing is an indispensable and crucial part, which serves to evaporate the solvent and drive the crystallization of the film. Various annealing methods have different effects on the promotion of the film growth process owing to the way they work. Here, this review will present a discussion of the growth puzzles and quality of perovskite crystals under different driving forces, and then explain the relationship between the annealing driving force and crystal growth. We divided the main current annealing methods into physical and chemical annealing, which has never been summarized before. The main annealing methods currently reported for crystal growth are summarized to visualize the impact of annealing design strategies on photovoltaic performance, while the growth mechanisms of thin films under multiple annealing methods are also discussed. Finally, we suggest future perspectives and trends in the industrial fabrication of PSCs in the future. The review promises industrial manufacturing of annealed PSCs. The review is expected to facilitate the industrial fabrication of PSCs.
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29
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Li L, Yu Y, Li P, Liu J, Liang L, Wang L, Ding Y, Han X, Ji J, Chen S, Li D, Liu P, Zhang S, Zeng M, Fu L. The Universal Growth of Ultrathin Perovskite Single Crystals. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2108396. [PMID: 35306696 DOI: 10.1002/adma.202108396] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 02/23/2022] [Indexed: 06/14/2023]
Abstract
Perovskites have engaged significant attention owing to rich species and remarkable physical properties as well as optoelectronic applications. Compared to bulk counterparts, ultrathin perovskites exhibit more available compositions due to the breaking of bulk lattice limitation. Coupled with crystal lattice relaxation and quantum confinement, infinite intriguing properties of ultrathin perovskites deserve to be explored. Developing ultrathin perovskites with alterable composition and structure is a necessity to fully explore this versatile family. Herein, a universal strategy is conceived via constructing oriented solvent microenvironment induced by the interfacial electric field originated from the charge separation between solid and liquid phases, which is conducive to controlling the precursor distribution and makes crystals preferentially nucleate and grow in the preferentially lateral mode. From layered to nonlayered, organic to inorganic, and toxic to low-toxic lead-free perovskite, a full-range synthesis is achieved of ultrathin perovskites. This work opens up opportunities both for ultrathin perovskite exploration through compositional engineering and for device miniaturization in energy conversion applications.
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Affiliation(s)
- Linyi Li
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Yantao Yu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Peng Li
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Jinxin Liu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Lihan Liang
- School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Luyang Wang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Yu Ding
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Xiaocang Han
- Department Shanghai Key Laboratory of Advanced High-temperature Materials and Precision Forming, State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Jiamin Ji
- School of Physics and Technology, Wuhan University, Wuhan, 430072, China
| | - Shengli Chen
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Dehui Li
- School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Pan Liu
- Department Shanghai Key Laboratory of Advanced High-temperature Materials and Precision Forming, State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Shunping Zhang
- School of Physics and Technology, Wuhan University, Wuhan, 430072, China
| | - Mengqi Zeng
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Lei Fu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
- The Institute for Advanced Studies (IAS), Wuhan University, Wuhan, 430072, China
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30
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Chavan RD, Prochowicz D, Yadav P, Tavakoli MM, Satapathi S. Thiocyanate-Passivated Diaminonaphthalene-Incorporated Dion-Jacobson Perovskite for Highly Efficient and Stable Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2022; 14:850-860. [PMID: 34978806 DOI: 10.1021/acsami.1c19546] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Two-dimensional (2D) metal halide perovskites have recently emerged as promising photovoltaic materials due to their superior ambient stability and rich structural diversity. However, power conversion efficiencies (PCEs) of the 2D perovskites solar cells (PSCs) still lag behind their three-dimensional (3D) counterpart, particularly due to the anisotropy in the charge carrier mobility and inhomogeneous energy landscape. A promising alternative is Dion-Jacobson (D-J) phase quasi-2D perovskite, where the bulky organic diammonium cations are introduced into inorganic frameworks to remove the weak van der Waals interactions between interlayers and to improve the open-circuit voltage (Voc). Although the D-J phase 2D perovskite shows a homogeneous energy landscape and better charge transport, their poor crystallinity and existence of higher trap states remain a major challenge for the development of high-efficiency solar cells device. To address this issue, here, we report the eclipsed D-J phase 2D perovskite using 1,5-diaminonaphthalene cation and subsequently treated the film with ammonium thiocyanate (NH4SCN) additive to further improve the film crystallinity, out-of-plane orientation, and carrier mobility. We observe that 2 mol NH4SCN surface treatment in NDA-based D-J phase perovskite leads to better film morphology and improved crystallinity, as confirmed by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Time-resolved photoluminescence (TRPL) spectroscopy and steady-state space charge limited current (SCLC) mobility measurement reveal a significant reduction of trap-assisted nonradiative recombination and improvement of carrier mobility in the thiocyanate-passivated perovskite. Consequently, the PCE of the NH4SCN-treated (NDA)(MA)3(Pb)4(I)13 perovskite device enhanced nearly 46% from 10.3 to 15.08%. We have further studied intensity-dependent J-V characteristics, which demonstrate the reduction of ideality factor, confirming the effective suppression of trap-assisted nonradiative recombination, consistent with the transient PL results. Electrochemical impedance spectroscopy (EIS) confirms the improved charge carrier transport in NH4SCN additive-treated devices. Interestingly, our additive-engineered unsealed perovskite devices retained 75% of their initial efficiency after 1000 h of continuous storage under 60% relative humidity. This study opens up the strategy for developing high-efficiency and stable 2D perovskite solar cells.
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Affiliation(s)
- Rohit D Chavan
- Department of Physics, Indian Institute of Technology Roorkee, Roorkee, Haridwar, Uttarakhand 247667, India
| | - Daniel Prochowicz
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Pankaj Yadav
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
- Department of Solar Energy, School of Technology, Pandit Deendayal Petroleum University, Gandhinagar, Gujarat 382007, India
| | - Mohammad Mahdi Tavakoli
- Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Soumitra Satapathi
- Department of Physics, Indian Institute of Technology Roorkee, Roorkee, Haridwar, Uttarakhand 247667, India
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31
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Mohamad Noh MF, Arzaee NA, Nawas Mumthas IN, Aadenan A, Alessa H, Alghamdi MN, Moria H, Mohamed NA, Mohd Yusoff ARB, Mat Teridi MA. Facile tuning of PbI2 porosity via additive engineering for humid air processable perovskite solar cells. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2021.139530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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32
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Qin M, Chan PF, Lu X. A Systematic Review of Metal Halide Perovskite Crystallization and Film Formation Mechanism Unveiled by In Situ GIWAXS. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2105290. [PMID: 34605066 DOI: 10.1002/adma.202105290] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Indexed: 06/13/2023]
Abstract
Metal halide perovskites are of fundamental interest in the research of modern thin-film optoelectronic devices, owing to their widely tunable optoelectronic properties and solution processability. To obtain high-quality perovskite films and ultimately high-performance perovskite devices, it is crucial to understand the film formation mechanisms, which, however, remains a great challenge, due to the complexity of perovskite composition, dimensionality, and processing conditions. Nevertheless, the state-of-the-art in situ grazing-incidence wide-angle X-ray scattering (GIWAXS) technique enables one to bridge the complex information with device performance by revealing the crystallization pathways during the perovskite film formation process. In this review, the authors illustrate how to obtain and understand in situ GIWAXS data, summarize and assess recent results of in situ GIWAXS studies on versatile perovskite photovoltaic systems, aiming at elucidating the distinct features and common ground of film formation mechanisms, and shedding light on future opportunities of employing in situ GIWAXS to study the fundamental working mechanisms of highly efficient and stable perovskite solar cells toward mass production.
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Affiliation(s)
- Minchao Qin
- Department of Physics, The Chinese University of Hong Kong, Shatin, 999077, Hong Kong
| | - Pok Fung Chan
- Department of Physics, The Chinese University of Hong Kong, Shatin, 999077, Hong Kong
| | - Xinhui Lu
- Department of Physics, The Chinese University of Hong Kong, Shatin, 999077, Hong Kong
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33
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Shin J, Baek KY, Lee J, Lee W, Kim J, Jang J, Park J, Kang K, Cho K, Lee T. Proton irradiation effects on mechanochemically synthesized and flash-evaporated hybrid organic-inorganic lead halide perovskites. NANOTECHNOLOGY 2021; 33:065706. [PMID: 34715679 DOI: 10.1088/1361-6528/ac34a7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 10/29/2021] [Indexed: 06/13/2023]
Abstract
A hybrid organic-inorganic halide perovskite is a promising material for developing efficient solar cell devices, with potential applications in space science. In this study, we synthesized methylammonium lead iodide (MAPbI3) perovskites via two methods: mechanochemical synthesis and flash evaporation. We irradiated these perovskites with highly energetic 10 MeV proton-beam doses of 1011, 1012, 1013, and 4 × 1013protons cm-2and examined the proton irradiation effects on the physical properties of MAPbI3perovskites. The physical properties of the mechanochemically synthesized MAPbI3perovskites were not considerably affected after proton irradiation. However, the flash-evaporated MAPbI3perovskites showed a new peak in x-ray diffraction and an increased fluorescence lifetime in time-resolved photoluminescence under high-dose conditions, indicating considerable changes in their physical properties. This difference in behavior between MAPbI3perovskites synthesized via the abovementioned two methods may be attributed to differences in radiation hardness associated with the bonding strength of the constituents, particularly Pb-I bonds. Our study will help to understand the radiation effect of proton beams on organometallic halide perovskite materials.
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Affiliation(s)
- Jiwon Shin
- Department of Physics and Astronomy, and Institute of Applied Physics, Seoul National University, Seoul 08826, Republic of Korea
| | - Kyeong-Yoon Baek
- Department of Physics and Astronomy, and Institute of Applied Physics, Seoul National University, Seoul 08826, Republic of Korea
| | - Jonghoon Lee
- Department of Physics and Astronomy, and Institute of Applied Physics, Seoul National University, Seoul 08826, Republic of Korea
| | - Woocheol Lee
- Department of Physics and Astronomy, and Institute of Applied Physics, Seoul National University, Seoul 08826, Republic of Korea
| | - Jaeyoung Kim
- Department of Physics and Astronomy, and Institute of Applied Physics, Seoul National University, Seoul 08826, Republic of Korea
| | - Juntae Jang
- Department of Physics and Astronomy, and Institute of Applied Physics, Seoul National University, Seoul 08826, Republic of Korea
| | - Jaehyoung Park
- Department of Physics and Astronomy, and Institute of Applied Physics, Seoul National University, Seoul 08826, Republic of Korea
| | - Keehoon Kang
- Department of Materials Science & Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Kyungjune Cho
- Soft Hybrid Materials Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Takhee Lee
- Department of Physics and Astronomy, and Institute of Applied Physics, Seoul National University, Seoul 08826, Republic of Korea
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34
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Yun Y, Vidyasagar D, Lee M, Gong OY, Jung J, Jung H, Kim DH, Lee S. Intermediate Phase-Free Process for Methylammonium Lead Iodide Thin Film for High-Efficiency Perovskite Solar Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2102492. [PMID: 34533002 PMCID: PMC8564438 DOI: 10.1002/advs.202102492] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 08/21/2021] [Indexed: 05/06/2023]
Abstract
Solvent engineering by Lewis-base solvent and anti-solvent is well known for forming uniform and stable perovskite thin films. The perovskite phase crystallizes from an intermediate Lewis-adduct upon annealing-induced crystallization. Herein, it is explored the effects of trimethyl phosphate (TMP), as a novel aprotic Lewis-base solvent with a low donor number for the perovskite film formation and photovoltaic characteristics of perovskite solar cells (PSCs). As compared to dimethylsulfoxide (DMSO) or dimethylformamide (DMF), the usage of TMP directly crystallizes the perovskite phase, i.e., reduces the intermediate phase to a negligible degree, right after the spin-coating, owing to the high miscibility of TMP with the anti-solvent and weak bonding in the Lewis adduct. Interestingly, the PSCs based on methylammonium lead iodide (MAPbI3 ) derived from TMP/DMF-mixed solvent exhibit a higher average power conversion efficiency of 19.68% (the best: 20.02%) with a smaller hysteresis in the current-voltage curve, compared to the PSCs that are fabricated using DMSO/DMF-mixed (19.14%) or DMF-only (18.55%) solvents. The superior photovoltaic properties are attributed to the lower defect density of the TMP/DMF-derived perovskite film. The results indicate that a high-performance PSC can be achieved by combining a weak Lewis base with a well-established solvent engineering process.
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Affiliation(s)
- Yeonghun Yun
- School of Materials Science and EngineeringKyungpook National UniversityDaegu41566Republic of Korea
| | - Devthade Vidyasagar
- School of Materials Science and EngineeringKyungpook National UniversityDaegu41566Republic of Korea
| | - Minho Lee
- School of Materials Science and EngineeringKyungpook National UniversityDaegu41566Republic of Korea
| | - Oh Yeong Gong
- School of Advanced Materials Science and EngineeringSungkyunkwan UniversitySuwon16419Republic of Korea
| | - Jina Jung
- School of Materials Science and EngineeringKyungpook National UniversityDaegu41566Republic of Korea
| | - Hyun‐Suk Jung
- School of Advanced Materials Science and EngineeringSungkyunkwan UniversitySuwon16419Republic of Korea
| | - Dong Hoe Kim
- Department of Nanotechnology & Advanced Materials EngineeringSejong UniversitySeoul05006Republic of Korea
- Department of Materials Science and EngineeringKorea University145 Anam‐ro, Seongbuk‐GuSeoul02841Republic of Korea
| | - Sangwook Lee
- School of Materials Science and EngineeringKyungpook National UniversityDaegu41566Republic of Korea
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35
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Harmouzi A, Bouachrine M, Guionneau P, Fargues A, Belaaraj A. Optical Properties of (C2H5C6H4NH2)2ZnBr2 Complex: Experimental and Quantum Chemical Studies. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2021. [DOI: 10.1134/s0036024421090028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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36
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Buffeteau T, Hirsch L, Bassani DM. Comment on "Eppur si Muove: Proton Diffusion in Halide Perovskite Single Crystals": Eppur Non si Muove: A Critical Evaluation of Proton Diffusion in Halide Perovskite Single Crystals. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2007715. [PMID: 34308561 DOI: 10.1002/adma.202007715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 02/11/2021] [Indexed: 06/13/2023]
Abstract
A recent report by Cahen and co-workers is examined that finds the diffusion constant for proton migration in methylammonium lead triiodide single crystals to be 2 × 105 -fold greater than that previously reported by Sadhu et al. By comparing the conversion of single crystals versus microcrystalline samples, it is concluded that proton diffusion in macroscopic single crystals is accelerated by the presence of defects acting as high-diffusivity paths.
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Affiliation(s)
- Thierry Buffeteau
- Univ. de Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255, Talence, F-33405, France
| | - Lionel Hirsch
- Univ. de Bordeaux, CNRS, Bordeaux INP, IMS, UMR 5218, ENSCBP, Talence, F-33405, France
| | - Dario M Bassani
- Univ. de Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255, Talence, F-33405, France
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Wali Q, Aamir M, Ullah A, Iftikhar FJ, Khan ME, Akhtar J, Yang S. Fundamentals of Hysteresis in Perovskite Solar Cells: From Structure-Property Relationship to Neoteric Breakthroughs. CHEM REC 2021; 22:e202100150. [PMID: 34418290 DOI: 10.1002/tcr.202100150] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 07/07/2021] [Accepted: 08/04/2021] [Indexed: 11/08/2022]
Abstract
Perovskite solar cells (PSC) have shown a rapid increase in efficiency than other photovoltaic technology. Despite its success in terms of efficiency, this technology is inundated with numerous challenges hindering the progress towards commercial viability. The crucial one is the anomalous hysteresis observed in the photocurrent density-voltage (J-V) response in PSC. The hysteresis phenomenon in the solar cell presents a challenge for determining the accurate power conversion efficiency of the device. A detailed investigation of the fundamental origin of hysteresis behavior in the device and its associated mechanisms is highly crucial. Though numerous theories have been proposed to explain the causes of hysteresis, its origin includes slow transient capacitive current, trapping, and de-trapping process, ion migrations, and ferroelectric polarization. The remaining issues and future research required toward the understanding of hysteresis in PSC device is also discussed.
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Affiliation(s)
- Qamar Wali
- School of Applied Sciences and Humanities, National University of Technology, I-12, Islamabad, 42000, Pakistan
| | - Muhammad Aamir
- Materials Laboratory, Department of Chemistry, Mirpur University of Science and Technology (MUST), Mirpur, 10250 (AJK), Pakistan
| | - Abid Ullah
- Material laboratory, Department of Physics, Comsats Institute of information technology, Islamabad, Pakistan
| | - Faiza Jan Iftikhar
- School of Applied Sciences and Humanities, National University of Technology, I-12, Islamabad, 42000, Pakistan
| | - Muhammad Ejaz Khan
- Department of Computer Engineering, National University of Technology, I-12, Islamabad, 42000, Pakistan
| | - Javeed Akhtar
- Materials Laboratory, Department of Chemistry, Mirpur University of Science and Technology (MUST), Mirpur, 10250 (AJK), Pakistan
| | - Shengyuan Yang
- State Key Laboratory for Modification of Chemical Fibres and Polymer Materials, Shanghai "Belt & Road" Joint Laboratory of Advanced Fibers and Low-dimension Materials College of Materials Science and Engineering, Donghua University, Shanghai., 201620, P.R. China
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38
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Zakerin N, Morshed-Behbahani K. Perspective on the passivity of Ti6Al4V alloy in H2SO4 and NaOH solutions. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115947] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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39
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Zhang J, Wang K, Yao Q, Yuan Y, Ding J, Zhang W, Sun H, Shang C, Li C, Zhou T, Pang S. Carrier Diffusion and Recombination Anisotropy in the MAPbI 3 Single Crystal. ACS APPLIED MATERIALS & INTERFACES 2021; 13:29827-29834. [PMID: 34142800 DOI: 10.1021/acsami.1c07056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
MAPbI3, one of the archetypical metal halide perovskites, is an exciting semiconductor for a variety of optoelectronic applications. The photoexcited charge-carrier diffusion and recombination are important metrics in optoelectronic devices. Defects in grain interiors and boundaries of MAPbI3 films cause significant nonradiative recombination energy losses. Besides defect impact, carrier diffusion and recombination anisotropy introduced by structural and electronic discrepancies related to the crystal orientation are vital topics. Here, large-sized MAPbI3 single crystals (SCs) were grown, with the (110), (112), (100), and (001) crystal planes simultaneously exposed through the adjusting ratios of PbI2 to methylammonium iodide (MAI). Such MAPbI3 SCs exhibit a weak n-type semiconductor character, and the Fermi levels of these planes were slightly different, causing a homophylic p-n junction at crystal ledges. Utilizing MAPbI3 SCs, the photoexcited carrier diffusion and recombination within the crystal planes and around the crystal ledges were investigated through time-resolved fluorescence microscope. It is revealed that both the (110) and (001) planes were facilitated to be exposed with more MAI in the growth solutions, and the photoluminescence (PL) of these planes manifesting a red-shift, longer carrier lifetime, and diffusion length compared with the (100) and (112) planes. A longer carrier diffusion length promoted photorecycling. However, excessive MAI-assisted grown MAPbI3 SCs could increase the radiative recombination. In addition, it revealed that the carrier excited within the (001) and (112) planes was inclined to diffuse toward each other and was favorable to be extracted out of the grain boundaries or crystal ledges.
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Affiliation(s)
- Jie Zhang
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Kaiyu Wang
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Qing Yao
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Ye Yuan
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Jianxu Ding
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Weiwei Zhang
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Haiqing Sun
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Chenyu Shang
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Changqian Li
- College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Tianliang Zhou
- College of Materials, Xiamen University, Xiamen 361005, China
| | - Shuping Pang
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China
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40
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Adugna GB, Abate SY, Wu WT, Tao YT. Toward Large-Area and Fully Solution-Sheared Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2021; 13:25926-25936. [PMID: 34033485 DOI: 10.1021/acsami.1c03460] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The solution shearing technique was used to prepare the various layers involved in perovskite solar cells (PSCs), with a device structure of FTO/c-TiO2/mp-TiO2/CH3NH3PbI3/Spiro-OMeTAD/Ag, in an area as large as 6 × 10 cm2. The film morphology and thickness of each layer were optimized by varying respective shearing parameters. The fully solution-sheared PSCs exhibited a champion power conversion efficiency (PCE) of 15.89%. In comparison, the PSCs with only perovskite layer solution-sheared and other layers spin-coated showed a high PCE of 17.27%. These results demonstrate the potential of a simple, rapid, cost-effective, and scalable solution shearing process to fabricate large-area PSCs and modules.
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Affiliation(s)
- Gizachew Belay Adugna
- Institute of Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan
- Taiwan International Graduate Program (TIGP), Sustainable Chemical Science and Technology (SCST), Academia Sinica, Taipei 115, Taiwan
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Seid Yimer Abate
- Institute of Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Wen-Ti Wu
- Institute of Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Yu-Tai Tao
- Institute of Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan
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41
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Rezaee E, Zhang W, Silva SRP. Solvent Engineering as a Vehicle for High Quality Thin Films of Perovskites and Their Device Fabrication. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2008145. [PMID: 33988287 DOI: 10.1002/smll.202008145] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Indexed: 05/24/2023]
Abstract
Organic-inorganic halide perovskite solar cells (PSCs) have shown a significant growth in power conversion efficiencies (PCEs) during last decade. Progress in device architecture and high-quality perovskite film fabrication has led to an incredible efficiency over 25% in close to a decade. Developments in solution-based thin film deposition techniques for perovskite layer preparation in PSCs provide low cost and ease of process for their manufacturing, making them a potential contender in future solar energy harvesting technologies. From small area single solar cells to large area perovskite solar modules, solvents play crucial roles in thin film quality and therefore, the device performance and stability. A comprehensive overview of solvent engineering toward achieving the highest qualities for perovskite light absorbing layers with various compositions and based on different fabrication processes is provided in this review. The mechanisms indicating the essential roles a solvent, or a solvent mixture can play to improve the crystallinity, uniformity, coverage and surface roughness of the perovskite films, are discussed. Finally, the role of solvent engineering in transferring from small area laboratory scale PSC fabrication to large area perovskite film deposition processes is explored.
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Affiliation(s)
- Ehsan Rezaee
- Department of Electrical and Electronic Engineering, Advanced Technology Institute (ATI), University of Surrey, Guildford, Surrey, GU2 7XH, UK
| | - Wei Zhang
- Department of Electrical and Electronic Engineering, Advanced Technology Institute (ATI), University of Surrey, Guildford, Surrey, GU2 7XH, UK
| | - S Ravi P Silva
- Department of Electrical and Electronic Engineering, Advanced Technology Institute (ATI), University of Surrey, Guildford, Surrey, GU2 7XH, UK
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42
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Chao L, Niu T, Gao W, Ran C, Song L, Chen Y, Huang W. Solvent Engineering of the Precursor Solution toward Large-Area Production of Perovskite Solar Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2005410. [PMID: 33656209 DOI: 10.1002/adma.202005410] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/12/2020] [Indexed: 05/23/2023]
Abstract
Solar cells based on emerging organic-inorganic hybrid perovskite materials have reached certified power conversion efficiency as high as 25.5%, showing great potential in the next generation of photovoltaics toward large-scale industrialization. The most competitive feature of perovskite solar cells (PSCs) is that the perovskite light absorber can be fabricated by a low-cost solution method. For the solution method, the characteristics of the solvent play a key role in determining the crystallization kinetics, growth orientation, and optoelectronic properties of the perovskite film. Although significant progress has been made in the field of solvent engineering in PSCs, it is still challenging for the solution method to sustainably produce industrial-scale PSCs for future commercialization applications. Herein, the advanced progress of solvent engineering of precursor solution in terms of coordination regulation and toxicity reduction is highlighted. The physical and chemical characteristics of different solvents in reducing the toxicity of the solvent system, regulating the coordination property of the precursor solution, controlling the film-forming process of the perovskite film, and adjusting the photovoltaic performance of the PSC are systematically discussed. Lastly, important perspectives on solvent engineering of the perovskite precursor solution toward future industrial production of high-performance PSCs are provided.
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Affiliation(s)
- Lingfeng Chao
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Tingting Niu
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Weiyin Gao
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Chenxin Ran
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Lin Song
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Yonghua Chen
- Key Laboratory of Flexible Electronics (KLOFE) and Institution of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, Jiangsu, 211816, P. R. China
| | - Wei Huang
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
- Key Laboratory of Flexible Electronics (KLOFE) and Institution of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, Jiangsu, 211816, P. R. China
- Key Laboratory for Organic Electronics and Information Displays (KLOEID), and Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu, 210023, P. R. China
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43
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Xie H, Yin X, Guo Y, Liu D, Liang T, Wang G, Que W. Hole transport free flexible perovskite solar cells with cost-effective carbon electrodes. NANOTECHNOLOGY 2021; 32:105205. [PMID: 33260165 DOI: 10.1088/1361-6528/abcf70] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Low temperature derived carbon electrodes are employed to fabricate low cost hole transport layer free perovskite solar cells, in which perovskite films annealed in glovebox and ambient air are used as the absorbers, respectively. Results suggest that the air annealed sample has bigger crystal grains and higher crystallinity, and the existence of a small amount of lead iodide which passivates grain boundaries contributes to a lower trap density. As a result, a maximum power conversion efficiency (PCE) of 13.07% was obtained on the air annealed device, which is higher than those of devices annealed in glovebox (11.25%). Furthermore, the stability of unencapsulated devices stored in wet (with humidity around 90% ± 5%) air atmosphere are investigated and the results prove that our devices exhibit good stability. In addition to rigid devices, flexible perovskite solar cells are also fabricated using the same procedure. The highest PCE of 11.53% is demonstrated on the champion flexible device, and 69% of its initial PCE can be maintained even after 2000 bending cycles with a bending radius of 2 mm. Our work provides a promising and simple rout for low-cost, air-stable, high-efficiency carbon perovskite solar cells for both large area production and flexible electronic devices industry.
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Affiliation(s)
- Haixia Xie
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, People's Republic of China
| | - Xingtian Yin
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, People's Republic of China
| | - Yuxiao Guo
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, People's Republic of China
| | - Dan Liu
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, People's Republic of China
| | - Tong Liang
- State Key Laboratory for Strength and Vibration of Mechanical Structures, Department of Engineering Mechanics, School of Aerospace Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, People's Republic of China
| | - Gangfeng Wang
- State Key Laboratory for Strength and Vibration of Mechanical Structures, Department of Engineering Mechanics, School of Aerospace Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, People's Republic of China
| | - Wenxiu Que
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, People's Republic of China
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Trusova EA, Klimenko IV, Afzal AM, Shchegolikhin AN, Jurina LV. Comparison of oxygen-free graphene sheets obtained in DMF and DMF-aqua media. NEW J CHEM 2021. [DOI: 10.1039/d1nj01015h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
In pure DMF, the graphene layering is mainly limited to 5 layers; in the aqua presence, partial association of the lightest graphene sheets with the highest surface energy occurs.
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Affiliation(s)
- Elena A. Trusova
- Institution of Russian Academy of Sciences
- A. A. Baikov Institute of Metallurgy and Materials Science of RAS
- Moscow 119334
- Russia
| | - Inna V. Klimenko
- Emanuel Institute of Biochemical Physics of Russian Academy of Sciences
- Moscow 119334
- Russia
| | - Asya M. Afzal
- Institution of Russian Academy of Sciences
- A. A. Baikov Institute of Metallurgy and Materials Science of RAS
- Moscow 119334
- Russia
| | | | - Lyubov V. Jurina
- Emanuel Institute of Biochemical Physics of Russian Academy of Sciences
- Moscow 119334
- Russia
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45
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Cho SP, Kwon SN, Choi MJ, Seo YH, Kim SS, Na SI. Enhanced Device Performances of MAFACsPb(I xBr 1-x) Perovskite Solar Cells with Dual-Functional 2-Chloroethyl Acrylate Additives. ACS APPLIED MATERIALS & INTERFACES 2020; 12:46846-46853. [PMID: 32933251 DOI: 10.1021/acsami.0c08989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Perovskite photovoltaics (PePVs) tend to suffer from a high density of defects that restrict the device in terms of performances and stability. Therefore, defect passivation and film-quality improvement of perovskite active layers are crucial for high-performance PePVs. In this work, 2-chloroethyl acrylate (CEA) with C═O and -Cl groups in Cs0.175FA0.750MA0.075Pb (I0.880Br0.120) precursor solutions is introduced as a novel bifunctional additive to act as both a defect passivator and perovskite-growth controller. With the aid of CEA, the perovskite crystallinity and average grain size are improved, and perovskite defects are effectively reduced, thus increasing the representative efficiency (PCE = 19.32%). PePVs with CEA also maintain their initial efficiency of 85% even after about 500 h under air conditions with a humidity of 40 ± 5%. As a result, this study proves that the novel additive CEA can produce higher PePV efficiency and more stable devices.
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Affiliation(s)
- Se-Phin Cho
- Professional Graduate School of Flexible and Printable Electronics (GSFPE), LANL-JBNU Engineering Institute-Korea at Jeonbuk National University (JBNU), 54896 Jeonju, South Korea
| | - Sung-Nam Kwon
- Professional Graduate School of Flexible and Printable Electronics (GSFPE), LANL-JBNU Engineering Institute-Korea at Jeonbuk National University (JBNU), 54896 Jeonju, South Korea
| | - Mi-Jung Choi
- Professional Graduate School of Flexible and Printable Electronics (GSFPE), LANL-JBNU Engineering Institute-Korea at Jeonbuk National University (JBNU), 54896 Jeonju, South Korea
| | - You-Hyun Seo
- Professional Graduate School of Flexible and Printable Electronics (GSFPE), LANL-JBNU Engineering Institute-Korea at Jeonbuk National University (JBNU), 54896 Jeonju, South Korea
| | - Seok-Soon Kim
- Department of Nano and Chemical Engineering at Kunsan National University (KSNU), 54150 Gunsan, South Korea
| | - Seok-In Na
- Professional Graduate School of Flexible and Printable Electronics (GSFPE), LANL-JBNU Engineering Institute-Korea at Jeonbuk National University (JBNU), 54896 Jeonju, South Korea
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Deng X, Cao Z, Yuan Y, Oliver Lam Chee M, Xie L, Wang A, Xiang Y, Li T, Dong P, Ding L, Hao F. Coordination modulated crystallization and defect passivation in high quality perovskite film for efficient solar cells. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213408] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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47
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Jancik Prochazkova A, Scharber MC, Yumusak C, Jančík J, Másilko J, Brüggemann O, Weiter M, Sariciftci NS, Krajcovic J, Salinas Y, Kovalenko A. Synthesis conditions influencing formation of MAPbBr 3 perovskite nanoparticles prepared by the ligand-assisted precipitation method. Sci Rep 2020; 10:15720. [PMID: 32973262 PMCID: PMC7518261 DOI: 10.1038/s41598-020-72826-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 09/07/2020] [Indexed: 11/10/2022] Open
Abstract
This work reports on an optimized procedure to synthesize methylammonium bromide perovskite nanoparticles. The ligand-assisted precipitation synthetic pathway for preparing nanoparticles is a cost-effective and promising method due to its ease of scalability, affordable equipment requirements and convenient operational temperatures. Nevertheless, there are several parameters that influence the resulting optical properties of the final nanomaterials. Here, the influence of the choice of solvent system, capping agents, temperature during precipitation and ratios of precursor chemicals is described, among other factors. Moreover, the colloidal stability and stability of the precursor solution is studied. All of the above-mentioned parameters were observed to strongly affect the resulting optical properties of the colloidal solutions. Various solvents, dispersion media, and selection of capping agents affected the formation of the perovskite structure, and thus qualitative and quantitative optimization of the synthetic procedure conditions resulted in nanoparticles of different dimensions and optical properties. The emission maxima of the nanoparticles were in the 508–519 nm range due to quantum confinement, as confirmed by transmission electron microscopy. This detailed study allows the selection of the best optimal conditions when using the ligand-assisted precipitation method as a powerful tool to fine-tune nanostructured perovskite features targeted for specific applications.
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Affiliation(s)
- Anna Jancik Prochazkova
- Linz Institute for Organic Solar Cells (LIOS), Physical Chemistry, Johannes Kepler University Linz, Altenberger Straße 69, 4040, Linz, Austria. .,Faculty of Chemistry, Materials Research Centre, Brno University of Technology, Purkyňova 118, 61200, Brno, Czech Republic.
| | - Markus Clark Scharber
- Linz Institute for Organic Solar Cells (LIOS), Physical Chemistry, Johannes Kepler University Linz, Altenberger Straße 69, 4040, Linz, Austria
| | - Cigdem Yumusak
- Linz Institute for Organic Solar Cells (LIOS), Physical Chemistry, Johannes Kepler University Linz, Altenberger Straße 69, 4040, Linz, Austria
| | - Ján Jančík
- Faculty of Chemistry, Materials Research Centre, Brno University of Technology, Purkyňova 118, 61200, Brno, Czech Republic
| | - Jiří Másilko
- Faculty of Chemistry, Materials Research Centre, Brno University of Technology, Purkyňova 118, 61200, Brno, Czech Republic
| | - Oliver Brüggemann
- Institute of Polymer Chemistry, Johannes Kepler University Linz, Altenberger Straße 69, 4040, Linz, Austria
| | - Martin Weiter
- Faculty of Chemistry, Materials Research Centre, Brno University of Technology, Purkyňova 118, 61200, Brno, Czech Republic
| | - Niyazi Serdar Sariciftci
- Linz Institute for Organic Solar Cells (LIOS), Physical Chemistry, Johannes Kepler University Linz, Altenberger Straße 69, 4040, Linz, Austria
| | - Jozef Krajcovic
- Faculty of Chemistry, Materials Research Centre, Brno University of Technology, Purkyňova 118, 61200, Brno, Czech Republic
| | - Yolanda Salinas
- Institute of Polymer Chemistry, Johannes Kepler University Linz, Altenberger Straße 69, 4040, Linz, Austria
| | - Alexander Kovalenko
- Linz Institute for Organic Solar Cells (LIOS), Physical Chemistry, Johannes Kepler University Linz, Altenberger Straße 69, 4040, Linz, Austria.,Faculty of Chemistry, Materials Research Centre, Brno University of Technology, Purkyňova 118, 61200, Brno, Czech Republic
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Duan Z, Ning J, Chen M, Xiong Y, Yang W, Xiao F, Kershaw SV, Zhao N, Xiao S, Rogach AL. Broad-Band Photodetectors Based on Copper Indium Diselenide Quantum Dots in a Methylammonium Lead Iodide Perovskite Matrix. ACS APPLIED MATERIALS & INTERFACES 2020; 12:35201-35210. [PMID: 32700521 DOI: 10.1021/acsami.0c06837] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Low-temperature solution-processed methylammonium lead iodide (MAPbI3) crystalline films have shown outstanding performance in optoelectronic devices. However, their high dark current and high noise equivalent power prevent their application in broad-band photodetectors. Here, we applied a facile solution-based antisolvent strategy to fabricate a hybrid structure of CuInSe2 quantum dots (CISe QDs) embedded into a MAPbI3 matrix, which not only enhances the photodetector responsivity, showing a large on/off ratio of 104 at 2 V bias compared with the bare perovskite films, but also significantly (for over 7 days) improves the device stability, with hydrophobic ligands on the CuInSe2 QDs acting as a barrier against the uptake of environmental moisture. MAPbI3/CISe QD-based lateral photodetectors exhibit high responsivities of >0.5 A/W and 10.4 mA/W in the visible and near-infrared regions, respectively, partly because of the formation of a type II interface between the respective semiconductors but most significantly because of the efficient trap-state passivation of the perovskite grain surfaces, and the reduction in the twinning-induced trap density, which stems from both CISe QDs and their organic ligands. A large specific detectivity of 2.2 × 1012 Jones at 525 nm illumination (1 μW/cm2), a fast fall time of 236 μs, and an extremely low noise equivalent power of 45 fW/Hz1/2 have been achieved.
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Affiliation(s)
- Zonghui Duan
- Department of Materials Science and Engineering, and Centre for Functional Photonics (CFP), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR 999077, China
| | - Jiajia Ning
- Department of Materials Science and Engineering, and Centre for Functional Photonics (CFP), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR 999077, China
| | - Mengyu Chen
- Department of Electronic Engineering, Chinese University of Hong Kong, New Territories, Hong Kong SAR 999077, China
| | - Yuan Xiong
- Department of Materials Science and Engineering, and Centre for Functional Photonics (CFP), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR 999077, China
| | - Wenhong Yang
- State Key Laboratory on Tunable Laser Technology, Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen 518055, China
| | - Fengping Xiao
- Department of Materials Science and Engineering, and Centre for Functional Photonics (CFP), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR 999077, China
| | - Stephen V Kershaw
- Department of Materials Science and Engineering, and Centre for Functional Photonics (CFP), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR 999077, China
| | - Ni Zhao
- Department of Electronic Engineering, Chinese University of Hong Kong, New Territories, Hong Kong SAR 999077, China
| | - Shumin Xiao
- State Key Laboratory on Tunable Laser Technology, Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen 518055, China
| | - Andrey L Rogach
- Department of Materials Science and Engineering, and Centre for Functional Photonics (CFP), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR 999077, China
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Nitrobenzene as Additive to Improve Reproducibility and Degradation Resistance of Highly Efficient Methylammonium-Free Inverted Perovskite Solar Cells. MATERIALS 2020; 13:ma13153289. [PMID: 32718083 PMCID: PMC7435988 DOI: 10.3390/ma13153289] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 07/20/2020] [Accepted: 07/21/2020] [Indexed: 11/17/2022]
Abstract
We show that the addition of 1% (v/v) nitrobenzene within the perovskite formulation can be used as a method to improve the power conversion efficiency and reliability performance of methylammonium-free (CsFA) inverted perovskite solar cells. The addition of nitrobenzene increased power conversion efficiency (PCE) owing to defect passivation and provided smoother films, resulting in hybrid perovskite solar cells (PVSCs) with a narrower PCE distribution. Moreover, the nitrobenzene additive methylammonium-free hybrid PVSCs exhibit a prolonged lifetime compared with additive-free PVSCs owing to enhanced air and moisture degradation resistance.
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50
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Liu Q, Fan L, Huang X, Zhao Y, Fan C, Bai H, Tian Q, Fan B, Zhang T. High-Quality Concentrated Precursor Solution in N, N-Dimethylformamide for Thick Methylammonium Triiodoplumbate Layer in Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2020; 12:25972-25979. [PMID: 32401477 DOI: 10.1021/acsami.0c05696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A high-quality precursor solution is essential for the fabrication of hybrid perovskite solar cells. This article reports a simple and efficient method for preparing a high-quality concentrated solution of methylammonium triiodoplumbate (MAPbI3) in N,N-dimethylformamide (DMF) by using MAPbI3 crystals instead of conventional lead iodine and methylammonium iodine blend. The MAPbI3 concentration of the precursor solution is easily and accurately adjusted from 0 up to 1.64 M. An investigation of the dissolution process of the MAPbI3 crystals reveals that the concentrated solution of MAPbI3 in DMF is metastable, and the transition from the concentrated solution to solvated intermediate MAPbI3·DMF determines the solubility of MAPbI3 in DMF. The high purity and precise stoichiometric ratio of the crystals eliminate the possible impurities that initialize the transition to MAPbI3·DMF and consequently suppress the transition and increase the stability of the concentrated solution. MAPbI3 films with different thicknesses up to 800 nm are prepared with the conventional film fabrication technique, and the highest power conversion efficiency of 20.7% is achieved on corresponding solar cells. This newly developed method for preparing a concentrated precursor solution can be easily combined with other fabrication techniques for further development of industrial-scale manufacture of solar cells.
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Affiliation(s)
- Qiuju Liu
- College of Materials, Xiamen University, Xiamen 361005, China
- State Center for International Cooperation on Designer Low-Carbon & Environmental Materials (CDLCEM), Zhengzhou University, Zhengzhou 450001, P.R. China
| | - Lisheng Fan
- Suzhou GCL Nano Co., Ltd., Suzhou 215028, P.R. China
| | - Xiaoping Huang
- College of Materials, Xiamen University, Xiamen 361005, China
| | - Yanan Zhao
- College of Materials, Xiamen University, Xiamen 361005, China
| | - Chunlin Fan
- Suzhou GCL Nano Co., Ltd., Suzhou 215028, P.R. China
| | - Hua Bai
- College of Materials, Xiamen University, Xiamen 361005, China
| | - Qingyong Tian
- Suzhou GCL Nano Co., Ltd., Suzhou 215028, P.R. China
| | - Bin Fan
- Suzhou GCL Nano Co., Ltd., Suzhou 215028, P.R. China
| | - Tongyi Zhang
- Materials Genome Institute of Shanghai University, Shanghai Materials Genome Institute, Shanghai University, Shanghai 200444, P.R. China
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