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- W4207045920 abstract "Efficient radiative recombination is essential for perovskite luminescence, but the intrinsic radiative recombination rate as a basic material property is challenging to tailor. Here we report an interfacial chemistry strategy to dramatically increase the radiative recombination rate of perovskites. By coating aluminum oxide on the lead halide perovskite, lead-oxygen bonds are formed at the perovskite-oxide interface, producing the perovskite surface states with a large exciton binding energy and a high localized density of electronic state. The oxide-bonded perovskite exhibits a ≈500 fold enhanced photoluminescence with a ≈10 fold reduced lifetime, indicating an unprecedented ≈5000 fold increase in the radiative recombination rate. The enormously enhanced radiative recombination promises to significantly promote the perovskite optoelectronic performance." @default.
- W4207045920 created "2022-01-26" @default.
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- W4207045920 date "2022-02-07" @default.
- W4207045920 modified "2023-10-14" @default.
- W4207045920 title "Interfacial Chemistry Triggers Ultrafast Radiative Recombination in Metal Halide Perovskites" @default.
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- W4207045920 doi "https://doi.org/10.1002/anie.202115875" @default.
- W4207045920 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/35068052" @default.
- W4207045920 hasPublicationYear "2022" @default.
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