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- W2912805974 abstract "We report on InAlN underlayer (UL) to improve the efficiency of near ultraviolet (NUV) light emitting diodes (LEDs). While InGaN UL is commonly used in high-efficiency blue LEDs it may absorb light for shorter wavelengths. InAlN lattice-matched to GaN exhibits a bandgap of 4.6 eV. This allows alleviating absorption issues in NUV LEDs. We demonstrate that the internal quantum efficiency of 405 nm single InGaN/GaN quantum well LEDs with InAlN UL is ∼70% compared to less than 10% for LEDs without UL. Excellent I–V characteristics are achieved thanks to polarization charge screening with high doping level at the InAlN/GaN interface." @default.
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- W2912805974 date "2019-02-01" @default.
- W2912805974 modified "2023-10-01" @default.
- W2912805974 title "InAlN underlayer for near ultraviolet InGaN based light emitting diodes" @default.
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- W2912805974 doi "https://doi.org/10.7567/1882-0786/ab0147" @default.
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