Solution synthesis and phase control of inorganic perovskites for high-performance optoelectronic devices

Jia Liang; Caixing Wang; Peiyang Zhao; Zhipeng Lu; Yue Ma; Zhaoran Xu; Yanrong Wang; Hongfei Zhu; Yi Hu; Guoyin Zhu; Lianbo Ma; Tao Chen; Zuoxiu Tie; Jie Liu; Zhong Jin

doi:10.1039/C7NR03530F

Solution synthesis and phase control of inorganic perovskites for high-performance optoelectronic devices†

Jia Liang,^a Caixing Wang,^a Peiyang Zhao,^a Zhipeng Lu,^a Yue Ma,^a Zhaoran Xu,^a Yanrong Wang,^a Hongfei Zhu,^a Yi Hu,^a Guoyin Zhu,^a Lianbo Ma,

^a Tao Chen,^a Zuoxiu Tie,^a Jie Liu^ab and Zhong Jin

*^a

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* Corresponding authors

^a Key Laboratory of Mesoscopic Chemistry of MOE and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
E-mail: zhongjin@nju.edu.cn

^b Department of Chemistry, Duke University, Durham, North Carolina 27708, USA
E-mail: j.liu@duke.edu

Abstract

An efficient method to synthesize well-crystallized inorganic cesium lead halide perovskites (CsPbX₃, X = I or Br) with high yield and high reproducibility was proposed. Notably, the as-prepared CsPbI₃ in the yellow orthorhombic phase (y-CsPbI₃) can be easily converted to the black cubic perovskite phase CsPbI₃ (b-CsPbI₃) after thermal annealing. Furthermore, two-terminal photodetectors and all-inorganic perovskite solar cells based on b-CsPbI₃ were fabricated, exhibiting high performances.

This article is part of the themed collection: Editor’s Choice: Perovskite Nanomaterials and Devices

Nanoscale

Solution synthesis and phase control of inorganic perovskites for high-performance optoelectronic devices†

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Solution synthesis and phase control of inorganic perovskites for high-performance optoelectronic devices

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