Indigo: A Natural Molecular Passivator for Efficient Perovskite Solar Cells

• Published in: Advanced energy materials Vol. 12; no. 22
• Main Authors: Guo, Junjun, Sun, Jianguo, Hu, Long, Fang, Shiwen, Ling, Xufeng, Zhang, Xuliang, Wang, Yao, Huang, Hehe, Han, Chenxu, Cazorla, Claudio, Yang, Yingguo, Chu, Dewei, Wu, Tom, Yuan, Jianyu, Ma, Wanli
• Format: Journal Article
• Language: English
• Published: Weinheim Wiley Subscription Services, Inc 01.06.2022
• Subjects: Carbonyls; Crystal defects; Crystallization; Dyes; Grain boundaries; Grain size; indigo; Ion migration; Lead compounds; long‐term stability; Metal halides; natural dyes; Optoelectronics; passivation; Passivity; perovskite solar cells; Perovskites; Photovoltaic cells; Solar cells; Stability; Thermal stress

Organic–inorganic hybrid lead halide perovskite solar cells have made unprecedented progress in improving photovoltaic efficiency during the past decade, while still facing critical stability challenges. Herein, the natural organic dye Indigo is explored for the first time to be an efficient molecul...