Angewandte Chemie - International Edition
Angewandte Chemie - International Edition
4 years ago

Homogenous Alloys of Formamidinium Lead Triiodide and Cesium Tin Triiodide for Efficient Ideal-Bandgap Perovskite Solar Cells

Homogenous Alloys of Formamidinium Lead Triiodide and Cesium Tin Triiodide for Efficient Ideal-Bandgap Perovskite Solar Cells
Lin Zhang, Xiao Wei Sun, Ming-Gang Ju, Ning Wang, Nitin P. Padture, Yuanyuan Zhou, Xiao Cheng Zeng, Yingxia Zong
Synergistic molecular mixing of FAPbI3 and CsSnI3 perovskites (FA=formamidinium) and formation of new crystalline alloy perovskites are reported by W. Sun, N. P. Padture et al. in their Communication (DOI: 10.1002/anie.201705965). The alloy perovskite of the composition (FAPbI3)0.7(CsSnI3)0.4 has an anomalous ideal bandgap of 1.3 eV for single-junction thin-film solar cells with an unusually high photocurrent.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/anie.201708387

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