Stability of Perovskite Thin Films under Working Condition: Bias‐Dependent Degradation and Grain Boundary Effects

• Published in: Advanced functional materials Vol. 31; no. 36
• Main Authors: Hui, Yong, Tan, Yan‐Yan, Chen, Liang, Nan, Zi‐Ang, Zhou, Jian‐Zhang, Yan, Jia‐Wei, Mao, Bing‐Wei
• Format: Journal Article
• Language: English
• Published: Hoboken Wiley Subscription Services, Inc 01.09.2021
• Subjects: Atomic force microscopy; Bias; bias‐dependent degradation; Carrier transport; Charge transport; Decomposition; Degradation; Energy conversion efficiency; Grain boundaries; Ion migration; Light; Materials science; Microscopy; Morphology; perovskite solar cells; Perovskites; photocurrent atomic force microscopy; Photoelectric effect; Photoelectric emission; Photovoltaic cells; Potassium iodides; Solar cells; Stability; Thin films; working conditions

Witnessed by the rapid increase of power conversion efficiency to 25.5%, organic–inorganic hybrid perovskite solar cells (PSCs) are becoming promising candidates of next‐generation photovoltaics. However, PSCs can be unstable under the influence of light and bias. Especially, grain boundaries (GBs)...