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- W4283788391 abstract "Abstract A comprehensive study of the optical properties of CsPbBr 3 perovskite multiple quantum wells (MQW) with organic barrier layers is presented. Quantum confinement is observed by a blue‐shift in absorption and emission spectra with decreasing well width and agrees well with simulations of the confinement energies. A large increase of emission intensity with thinner layers is observed, with a photoluminescence quantum yield up to 32 times higher than that of bulk layers. Amplified spontaneous emission (ASE) measurements show very low thresholds down to 7.3 µJ cm −2 for a perovskite thickness of 8.7 nm, significantly lower than previously observed for CsPbBr 3 thin‐films. With their increased photoluminescence efficiency and low ASE thresholds, MQW structures with CsPbBr 3 are excellent candidates for high‐efficiency perovskite‐based LEDs and lasers." @default.
- W4283788391 created "2022-07-04" @default.
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- W4283788391 date "2022-07-03" @default.
- W4283788391 modified "2023-10-02" @default.
- W4283788391 title "Optical Properties of Perovskite‐Organic Multiple Quantum Wells" @default.
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- W4283788391 doi "https://doi.org/10.1002/advs.202200379" @default.
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