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A new one-dimensional (1D) face-shared hybrid lead bromide of (2cepiH)PbBr3, which exhibits intrinsic broadband yellow-light emission with a quantum yield of 16.8% outperforming all previously reported 1D face-shared hybrid metal halides, is obtained. The origin of broadband emission and the coexistence of free excitons and self-trapped excitons are deeply investigated by variable-temperature photoluminescence spectra. Our work paves the way to discovering more wonderful light-emitting materials.

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This page is a summary of: Highly efficient self-trapped exciton emission in a one-dimensional face-shared hybrid lead bromide, Chemical Communications, January 2021, Royal Society of Chemistry,
DOI: 10.1039/d0cc08218j.
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