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18 March 2024 SCN-doped SnO2 electron transport layer enhanced photoelectric performance of all-inorganic CsPbBr3 perovskite solar cells
Yiheng Yuan, Xishun Peng, Li Yang, Cheng Zuo, Yangjie Zeng, Zhongchen Bai
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Proceedings Volume 13104, Advanced Fiber Laser Conference (AFL2023); 131042U (2024) https://doi.org/10.1117/12.3023246
Event: Advanced Fiber Laser Conference (AFL2023), 2023, Shenzhen, China
Abstract
With remarkable improvement in power conversion efficiency (PCE), perovskite solar cells (PSCs) have garnered a lot of interest in the photovoltaic industry. Among them, the all-inorganic CsPbBr3 perovskite has been widely used in solar cells because of its exceptional stability and potential commercial applications. In addition, the advantages of low-temperature preparation that minimizes energy loss and favorable energy level arrangement with a wide band gap have made SnO2 potentially displace TiO2 as the most common electron transport layer (ETL) material. However, the performance of SnO2- based PSCs was restricted by the defects and under-coordinated tin ions in SnO2 films. In this study, we prepared a high-quality SCN-doped tin oxide (SnO2) electron transport layer, obtaining ITO/SCN-SnO2/CsPbBr3/Carbon structural solar cell. The open circuit voltage, fill factor, short circuit current density, and PCE of the best device was 1.37 V, 68.68%, 7.02 mA/cm2, and 6.61%, respectively, higher than the pristine devices. The results indicated that SCN doping could achieve higher-quality SnO2 electron transport layers, thereby improving the performance of inorganic CsPbBr3 perovskite solar cells.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Yiheng Yuan, Xishun Peng, Li Yang, Cheng Zuo, Yangjie Zeng, and Zhongchen Bai "SCN-doped SnO2 electron transport layer enhanced photoelectric performance of all-inorganic CsPbBr3 perovskite solar cells", Proc. SPIE 13104, Advanced Fiber Laser Conference (AFL2023), 131042U (18 March 2024); https://doi.org/10.1117/12.3023246
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KEYWORDS
Perovskite
Solar cells
Electron transport
Tin
Oxides
Doping
Solar energy
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