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- W2979006994 abstract "Low-loss optical waveguides have attracted intense interests as the building blocks for photonic devices and integrated circuits. Herein, we employed the all-inorganic halide perovskite nanocrystal (IHPNs)-doped polymer microfibers for developing the active waveguides for the first time. We reveal that the absorption coefficient (2.6 cm–1) of the CsPbBr3 IHPNs-doped polymer fibers is 1 order of magnitude lower than that of traditional CdSe quantum dots (QDs)-based microfibers, which can be attributed to the much higher photoluminescence quantum yield of IHPNs. Moreover, manganese ions (Mn2+) were successfully inserted into CsPbX3 IHPNs to engineer the Stokes shift and eliminate the reabsorption effect. As a result, the Mn:CsPb(Br/Cl)3IHPNs-doped polymer microfibers exhibited a record-low absorption coefficient of 0.33 cm–1. These findings reveal a great potential of perovskite nanocrystals in photonic technologies that also paves the way for solution-processed QDs in low-loss and long-range optical guiding." @default.
- W2979006994 created "2019-10-10" @default.
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- W2979006994 date "2019-10-01" @default.
- W2979006994 modified "2023-09-26" @default.
- W2979006994 title "Microfibers Doped with Perovskite Nanocrystals for Ultralow-Loss Waveguides" @default.
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- W2979006994 doi "https://doi.org/10.1021/acsanm.9b01488" @default.
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