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Centimeter-sized CsPbBr3−3nX3n single crystals were grown using the modified Bridgman method. Eight filter-free narrowband photodetectors were fabricated based on the CsPbBr3−3nX3n crystals utilizing the concept of charge collection narrowing. A filter-free color image sensor was constructed using these eight CsPbBr3−3nX3n narrowband photodetectors.
Zhang et al. (Fri,) studied this question.