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- W3178295587 endingPage "2100783" @default.
- W3178295587 startingPage "2100783" @default.
- W3178295587 abstract "Perovskite light-emitting diodes (PeLEDs) are promising candidates for display and solid-state lighting, due to their tunable colors, high conversion efficiencies, and low cost. However, the performance of blue PeLEDs is far inferior to that of the near-infrared, red, and green counterparts. Here, the fabrication of pure-blue PeLEDs with an emission peak at 475 nm, a peak external quantum efficiency of 10.1%, and a maximum luminance of 14 000 cd m−2 is demonstrated by tailoring the compositions of perovskites. The pure-blue electroluminescence is achieved by simultaneous addition of rubidium and chlorine ions into CsPbBr3 and incorporation of phenylethylammonium chloride forms quasi-2D hybrid perovskites. The combination of these composition engineering results in blueshifted emissions without reducing the quantum yield. The judicious alloying is shown to be critical to result in the better morphology with suppressed current leakage and enhanced light outcoupling." @default.
- W3178295587 created "2021-07-19" @default.
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- W3178295587 date "2021-07-14" @default.
- W3178295587 modified "2023-10-18" @default.
- W3178295587 title "Highly Efficient Pure‐Blue Light‐Emitting Diodes Based on Rubidium and Chlorine Alloyed Metal Halide Perovskite" @default.
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- W3178295587 doi "https://doi.org/10.1002/adma.202100783" @default.
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- W3178295587 hasPublicationYear "2021" @default.
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