A chiral two-dimensional perovskite-like lead-free bismuth(iii) iodide hybrid with high phase transition temperature†,10.1039/D3CC02798H

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A chiral two-dimensional perovskite-like lead-free bismuth(iii) iodide hybrid with high phase transition temperature†

Hang Peng,Qin Liu,Yan-Zi Lu,Shu-Jing Yang,Jun-Chao Qi,Xiao-Gang Chen,Wei-Qiang Liao

Chemical Communications Pub Date : 08/04/2023 00:00:00 , DOI:10.1039/D3CC02798H

Abstract

Bismuth(III) iodide perovskites have attracted great attention as lead-free hybrid semiconductors, but they mainly show zero- and one-dimensional structures. Herein, we report the first two-dimensional chiral perovskite-like bismuth(III) iodide hybrid [(S)-3-aminopyrrolidinium I]₂Bi_2/3I₄ (1) with a high phase transition temperature of 408.8 K, higher than most of the reported chiral lead-free hybrid semiconductors.