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Air-stable CsPb1−xBixBr3 (0 < x < 1) perovskite crystals: optoelectronic and photostriction properties

Abstract

The growth of single crystals allows more accurate and reliable study the intrinsic electrical and optical properties of halide perovskite materials. However, all-inorganic halide perovskites single crystals are difficult to prepare due to poor solubility of the reactant precursors. In this paper, we report a series of air-stable Cs-based halide perovskite single crystals, CsPbBr3 and CsPb1−xBixBr3 (x < 1 ), prepared via a modified antisolvent vapour-assisted crystallization method. The Cs-based halide perovskites exhibited low trap density and high carrier mobility that comparable to those of organic-inorganic hybrid halide perovskite materials. Most importantly, the Bi-dopped CsPb1−xBixBr3 perovskites also indicated excellent light absorption (covering the entire visible wavelengthen) and photostriction (effective photostriction of about 8*10-4) performances, which greatly expands the optoelectronic and opto-mechanical applications of these inorganic halide perovskite materials.

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Publication details

The article was received on 24 Jan 2017, accepted on 13 Apr 2017 and first published on 13 Apr 2017


Article type: Paper
DOI: 10.1039/C7TC00417F
Citation: J. Mater. Chem. C, 2017, Accepted Manuscript
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    Air-stable CsPb1−xBixBr3 (0 < x < 1) perovskite crystals: optoelectronic and photostriction properties

    X. Miao, T. Qiu, S. Zhang, H. Ma, Y. Hu, F. Bai and Z. Wu, J. Mater. Chem. C, 2017, Accepted Manuscript , DOI: 10.1039/C7TC00417F

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