Revealing superoxide-induced degradation in lead-free tin perovskite solar cells
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
Abstract
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.
Topics & Concepts
Degradation (telecommunications)Perovskite (structure)TinSuperoxideMaterials scienceLead (geology)IodinePhotochemistryChemistryChemical engineeringInorganic chemistryMetallurgyCrystallographyBiochemistryComputer scienceGeologyGeomorphologyEngineeringEnzymeTelecommunicationsPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsOrganic and Molecular Conductors Research