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- W2023805049 abstract "We demonstrate high power AlGaN based ultraviolet light-emitting diodes (UV LEDs) with an emission wavelength of 280 nm using an asymmetric single quantum well active layer configuration on top of a high-quality AlGaN/AlN template layer grown by metalorganic chemical vapor deposition (MOCVD). An output power of 1.8 mW at a pulsed current of 400 mA was achieved for a single 300 μm × 300 μm diode. This device reached a high peak external quantum efficiency of 0.24% at 40 mA. An array of four diodes produced 6.5 mW at 880 mA of pulsed current. We also demonstrate high output power operation of AlGaN-based UV LEDs at a short wavelength of 265 nm. An output power of 2.4 mW at a pulsed current of 360 mA was achieved for a single diode. A packaged array of four diodes produced 5.3 mW at 700 mA of pulsed current. The DC output power is 170 μW at 250 mA." @default.
- W2023805049 created "2016-06-24" @default.
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- W2023805049 date "2004-07-06" @default.
- W2023805049 modified "2023-09-26" @default.
- W2023805049 title "Growth of deep-UV light-emitting diodes by metalorganic chemical vapor deposition" @default.
- W2023805049 doi "https://doi.org/10.1117/12.529343" @default.
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