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Optical properties of AlGaN-based deep-ultraviolet LED grown on graphene/SiC

See http://tny.im/rEO — AlGaN-based materials are bandgap-tunable broadband semiconductor, which are ideal for ultraviolet optoelectronic devices. Although great progress has been made in deep-ultraviolet (DUV) LEDs research, there is still a large gap in external quantum efficiency compared to blue LEDs. In this work, AlGaN-based UV films were epitaxially grown on graphene/SiC, using weaker van…

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