Issue 13, 2021

Progress in copper metal halides for optoelectronic applications

Abstract

Ternary metal halides, including perovskites, have become a popular field of study over the last decade. Recently many groups have attempted to replace the lead in lead-based perovskites with other metals while retaining similar optical and electronic properties. While there are several candidates for lead replacement, copper-based ternary metal halides have arisen as some of the most interesting “perovskite-inspired” materials. Here we review the recent work on copper-based ternary metal halides, including all-inorganic and organic–inorganic hybrid, perovskite and non-perovskite, and ternary copper halides. We also discuss their photophysics and briefly compare these to copper-based double perovskites and other related compounds. This review mainly discusses the synthesis and properties of these materials as thin films, single crystals, nanomaterials, and microcrystalline powders, with a focus on their use in optoelectronic applications, including LEDs, solar cells, photodetectors, X-ray detectors, batteries, and other devices. Finally, we conclude with a perspective on the current issues facing the field, along with suggestions for future directions for this fascinating class of copper compounds.

Graphical abstract: Progress in copper metal halides for optoelectronic applications

Article information

Article type
Review Article
Submitted
20 Nah 2021
Accepted
27 Agd 2021
First published
28 Agd 2021

Mater. Chem. Front., 2021,5, 4796-4820

Progress in copper metal halides for optoelectronic applications

Y. Li, Z. Zhou, N. Tewari, M. Ng, P. Geng, D. Chen, P. K. Ko, M. Qammar, L. Guo and J. E. Halpert, Mater. Chem. Front., 2021, 5, 4796 DOI: 10.1039/D1QM00288K

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