Methods for making low bandgap perovskites

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United States of America Patent

PATENT NO 11964995
APP PUB NO 20220235076A1
SERIAL NO

17586069

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Abstract

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The present disclosure relates to a composition that includes a perovskite having a stoichiometry comprising A1-xFAxSn1-yBy(I1-zXz)3, where A is a first cation, B is a second cation, X is a halide, and 0.5≤x≤0.9, 0.5≤y≤0.9, and 0≤z≤1. In some embodiments of the present disclosure, A may include at least one of cesium, guanidinium, and/or methylammonium. In some embodiments of the present disclosure, X may include at least one of bromide and/or chloride. In some embodiments of the present disclosure, z may be equal to zero.

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Patent Owner(s)

  • ALLIANCE FOR SUSTAINABLE ENERGY LLC; BROWN UNIVERSITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gong, Jue Chengdu, CN 5 13
Padture, Nitin P Providence, US 11 218
Tong, Jinhui Wuhan, CN 5 2
Zhou, Yuanyuan Hong Kong, HK 24 304
Zhu, Kai Littleton, US 125 456

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