Improved performance of CH3NH3PbBr3 perovskite solar cells utilizing PbI2 precursors

Yang Yang,Taiyang Zhang, Hongxiang Tian,Zhiguo Zhao,Xiaojun Qin,Junbo Wu

Chemical Physics Letters（2017）

引用 5|浏览9

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摘要

•Uniform and compact CH3NH3PbBr3 films obtained via the two-step deposition method.•PbI2 precursor led to improved film quality and enhanced photovoltaic performance.•Halide anion exchange between PbI2 and CH3NH3Br occurred.•Suitable precursor seed induced high-quality perovskite crystal growth.

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关键词

Perovskite,Solar cell,Precursor,Anion exchange,CH3NH3PbBr3

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