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1. Efficient inverted CsPbI3 inorganic perovskite solar cells achieved by facile surface treatment with ethanolamine.

Author

Liu, Ning, Xu, Zuxiong, Pan, Yi, Wang, Jianwei, Liu, Zhongyu, Zhang, Jing, Huang, Like, Hu, Ziyang, Zhu, Yuejin, and Liu, Xiaohui

Subjects
SURFACE preparation, SOLAR cells, PHOTOVOLTAIC power systems, PEROVSKITE, BAND gaps
Abstract

The all-inorganic CsPbI3 perovskite presents promising prospects due to its suitable band gap and nonvolatile nature, while serious nonradiative recombination and unmatched energy level alignment hinder its further developments. Here, a facile and effective surface treatment strategy is proposed to modify the CsPbI3 surface with ethanolamine, leading to significantly reduced defects, and ameliorated band alignment and morphology. Consequently, a champion power conversion efficiency of 18.41% with improved stability is achieved for the inverted CsPbI3 solar cells. [ABSTRACT FROM AUTHOR]

Published
2023
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