δ‐CsPbI3 Intermediate Phase Growth: δ‐CsPbI3 Intermediate Phase Growth Assisted Sequential Deposition Boosts Stable and High‐Efficiency Triple Cation Perovskite Solar Cells (Adv. Funct. Mater. 7/2020)

In article number 1908343, Yumin Liu, Xing‐Zhong Zhao, and co‐workers develop a δ‐CsPbI3 intermediate phase growth (IPG) strategy for achieving high and controllable Cs+ incorporation and fabricating large‐grain perovskite thin films. The δ‐CsPbI3 phase in the PbI2 film, which serves as the cesium s...

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Bibliographic Details
Published in:Advanced functional materials 2020-02, Vol.30 (7), p.n/a
Main Authors: Wang, Shaofu, Jin, Junjun, Qi, Yuyang, Liu, Pei, Xia, Yu, Jiang, Yun, He, Rong‐Xiang, Chen, Bolei, Liu, Yumin, Zhao, Xing‐Zhong
Format: Article
Language:English
Subjects:
CsPbI3 intermediate phase growth
grain growth
perovskite solar cells
sequential deposition
stability
triple cation perovskite
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Summary:In article number 1908343, Yumin Liu, Xing‐Zhong Zhao, and co‐workers develop a δ‐CsPbI3 intermediate phase growth (IPG) strategy for achieving high and controllable Cs+ incorporation and fabricating large‐grain perovskite thin films. The δ‐CsPbI3 phase in the PbI2 film, which serves as the cesium source, facilitates the growth of perovskite grains. This CsPbI3‐IPG is a facile and effective strategy to produce large‐grain Cs+ incorporated perovskite films via sequential deposition.
ISSN:1616-301X
1616-3028
DOI:10.1002/adfm.202070046