Air-stable bismuth sulfobromide (BiSBr) visible-light absorbers: optoelectronic properties and potential for energy harvesting

J. Mater. Chem. A, 2023, Advance Article
DOI: 10.1039/D3TA04491B, Paper
Open Access Open Access
Creative Commons Licence  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Xiaoyu Guo, Yi-Teng Huang, Hugh Lohan, Junzhi Ye, Yuanbao Lin, Juhwan Lim, Nicolas Gauriot, Szymon J. Zelewski, Daniel Darvill, Huimin Zhu, Akshay Rao, Iain McCulloch, Robert L. Z. Hoye
Phase-pure thin films of BiSBr are shown to have an optical efficiency limit of 43.6% under indoor lighting, with improved environmental and photo-stability over lead-halide perovskites, and have band positions well suited to a range of charge transport layer materials.
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