Exploring the transposition effects on the electronic and optical properties of Cs2AgSbCl6: Via a combined computational-experimental approach

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Abstract

The electronic and optical properties of perovskites are related to the local structures of the compounds and define their functional applications. Herein we have prepared a double perovskite Cs2AgSbCl6, which crystallized in the cubic structure with the space group Fm-3m and the material is found to have a varied band gap associated with different body colors. The anti-site defect model was established to investigate transposition influence on the optical and electronic properties of the double-perovskite Cs2AgSbCl6, and the proposed model clearly explained the as-observed variable body color. Cs2AgSbCl6 perovskite has a high decomposition temperature and is stable upon prolonged exposure to air and moisture, which emphasize its potential in the field of photovoltaic absorbers and optoelectronic applications.

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Zhou, J., Rong, X., Molokeev, M. S., Zhang, X., & Xia, Z. (2018). Exploring the transposition effects on the electronic and optical properties of Cs2AgSbCl6: Via a combined computational-experimental approach. Journal of Materials Chemistry A, 6(5), 2346–2352. https://doi.org/10.1039/c7ta10062k

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