Spray deposited polycrystalline MAPbBr3 thick films for hole-transport-material free solar cells

Qien Xu; Zhengdan Rao; Yiting Yang; Bo Jin; Xiaotian He; Jiaxuan Lai; Tiantian He; Lin Yang; Limin Zhang; Yongqi Liang

doi:10.1039/D2CC00596D

Spray deposited polycrystalline MAPbBr₃ thick films for hole-transport-material free solar cells†

Qien Xu,‡^a Zhengdan Rao,‡^a Yiting Yang,^ab Bo Jin,^a Xiaotian He,^a Jiaxuan Lai,^a Tiantian He,^a Lin Yang,^b Limin Zhang^c and Yongqi Liang

*^a

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* Corresponding authors

^a College of Chemistry and Chemical Engineering, Key laboratory of Advanced Catalysis of Gansu Province, Lanzhou University, Lanzhou City, Gansu Province 730000, China
E-mail: yqliang@lzu.edu.cn

^b School of Chemistry and Chemical Engineering, Qinghai Normal University, Xi’ning City, Qinghai Province, China

^c School of Nuclear Science and Technology, Lanzhou University, Lanzhou City, Gansu Province, China

Abstract

A spray deposition procedure for the fabrication of polycrystalline MAPbBr₃ thick films (20–100 μm) is developed and highly efficient (>5.5% under AM1.5 sunlight) hole-transport-material free perovskite solar cells are successfully made with 40 μm thick MAPbBr₃ films.

Chemical Communications

Spray deposited polycrystalline MAPbBr₃ thick films for hole-transport-material free solar cells†

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Spray deposited polycrystalline MAPbBr₃ thick films for hole-transport-material free solar cells

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Chemical Communications