Revealing superoxide-induced degradation in lead-free tin perovskite solar cells

作者：Zhihao Zhang, Xue Tian, Can Wang, Jialun Jin, Yiting Jiang, Qin Zhou, Jingwei Zhu, Jianbin Xu, Rui He, Yuanfang Huang, Shengqiang Ren, Cong Chen, Peng Gao, Run Long, Dewei Zhao · 发表于：Energy & Environmental Science · 年份：2022 · DOI：10.1039/d2ee02796h · 被引用次数：116 · 研究领域：Perovskite Materials and Applications、Chalcogenide Semiconductor Thin Films、Organic and Molecular Conductors Research

Sn-based perovskite FASnI 3 suffers more severe degradation under light/O 2 than only O 2 exposure, which is caused by the large amount of superoxide formation at numerous iodine vacancies through the reaction between O 2 and photoexcited electrons.