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From Pb to Bi: A Promising Family of Pb-Free Optoelectronic Materials and Devices

机译：从铅到铋：无铅光电子材料和器件的一个有前途的家庭

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摘要

Lead-based organic-inorganic hybrid perovskite materials are widely used in optoelectronic devices due to their excellent photophysical properties. However, the main issues which hinder its commercialization are the toxicity caused by lead and the intrinsic instability of the material. Recently, many lead-free halide materials with good intrinsic stability have been reported, among which bismuth-based halide materials have attracted extensive research due to their structure and promising optoelectronic properties. In this review, bismuth-based materials are divided into binary BiX3 (X = I, Br, Cl), ternary A(a)Bi(b)X(a)(+3)(b) (A = Cs, Rb, MA, Ag, etc.), and quaternary A(2)AgBiX(6) (A = Cs, Rb, MA, etc.) according to its elemental composition. The structure and optoelectronic properties of bismuth-based halide materials, which may be helpful for the development of bismuth-based halide materials and lead-free perovskites in the future, are summarized and highlighted.
机译：铅基有机-无机杂化钙钛矿材料因其出色的光物理性能而广泛用于光电器件。但是，阻碍其商业化的主要问题是铅引起的毒性和材料固有的不稳定性。近来，已经报道了许多具有良好的固有稳定性的无铅卤化物材料，其中基于铋的卤化物材料由于其结构和有希望的光电性能而引起了广泛的研究。在这篇综述中，基于铋的材料分为二元BiX3（X = I，Br，Cl），三元A（a）Bi（b）X（a）（+ 3）（b）（A = Cs，Rb， MA，Ag等）和四元A（2）AgBiX（6）（A = Cs，Rb，MA等），具体取决于其元素组成。总结并重点介绍了铋基卤化物材料的结构和光电性能，可能对将来发展铋基卤化物材料和无铅钙钛矿有帮助。

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