Two-Stage Ultraviolet Degradation of Perovskite Solar Cells Induced by the Oxygen Vacancy-Ti4+ States

Two-Stage Ultraviolet Degradation of Perovskite Solar Cells Induced by the Oxygen Vacancy-Ti4+ States

Summary: The failure of perovskite solar cells (PSCs) under ultraviolet (UV) irradiation is a serious barrier of commercial utilization. Here, a two-stage degradation process of TiO2-based PSCs is discovered under continuous UV irradiation in an inert atmosphere. In the first decay stage, oxygen vac...

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Bibliographic Details
Main Authors:	Jun Ji, Xin Liu, Haoran Jiang, Mingjun Duan, Benyu Liu, Hao Huang, Dong Wei, Yingfeng Li, Meicheng Li
Format:	Article
Language:	English
Published:	Elsevier 2020-04-01
Series:	iScience
Online Access:	http://www.sciencedirect.com/science/article/pii/S2589004220301978

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