Small (Weinheim an der Bergstrasse, Germany)
Interfacial Bidirectional Anchoring for CsPbI3 Phase Stabilization in Inverted Perovskite Solar Cells.
Xuemin Guo, Ting Shu, Sheng Fu, Tengyi You, Chi He, Wenxiao Zhang, Xiaodong Li, Junfeng Fang
Published: 202610.1002/smll.202514475
Abstract
Despite the inherent chemical stability of CsPbI3, its metastable black phase tends to transform into the non-photovoltaic yellow phase, particularly under thermal stress. One key reason lies in the Cs+ displacement among [PbI6]4- octahedras due to i…
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