Efficient CsPbBr 3 Perovskite Solar Cells with Storage Stability > 340 Days

Shaochuan Hou, Siheng Wu, Xiaoyan Li, Jiahao Yan, Jie Xing, Hao Liu, Huiying Hao, Jingjing Dong () and Haochong Huang ()
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Shaochuan Hou: School of Science, China University of Geosciences, Beijing 100083, China
Siheng Wu: School of Science, China University of Geosciences, Beijing 100083, China
Xiaoyan Li: School of Science, China University of Geosciences, Beijing 100083, China
Jiahao Yan: School of Science, China University of Geosciences, Beijing 100083, China
Jie Xing: School of Science, China University of Geosciences, Beijing 100083, China
Hao Liu: School of Science, China University of Geosciences, Beijing 100083, China
Huiying Hao: School of Science, China University of Geosciences, Beijing 100083, China
Jingjing Dong: School of Science, China University of Geosciences, Beijing 100083, China
Haochong Huang: School of Science, China University of Geosciences, Beijing 100083, China

Energies, 2022, vol. 15, issue 20, 1-9

Abstract: For CsPbBr 3 perovskite materials, it is especially important to reduce interface defects, suppress non-radiative recombination, and improve morphology to achieve highly efficient and stable CsPbBr 3 perovskite solar cells (PSCs). Herein, we reported a facile but highly efficient approach in additive engineering for improving the efficiency and stability of CsPbBr 3 PSCs. It was found that phenethylammonium iodide can passivate interface defects, suppress non-radiative recombination, and increase the grain sizes of CsPbBr 3 films by optimizing crystal quality and interface contact. As a result, a carbon-based CsPbBr 3 PSC with power conversion efficiency > 8.51%, storage stability > 340 days, and excellent harsh stability under high temperature and humidity, has been achieved.

Keywords: perovskite solar cells; CsPbBr 3; PEAI; in ambient air; stability (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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