Near-ultraviolet light-emitting diodes with transparent conducting layer of gold-doped multi-layer graphene

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[1] Cho, Chu-Young
[2] Choe, Minhyeok
[3] Lee, Sang-Jun
[4] Hong, Sang-Hyun
[5] Lee, Takhee
[6] Lim, Wantae
[7] Kim, Sung-Tae
[8] 1,Park, Seong-Ju
来源：
Park, S.-J. (sjpark@gist.ac.kr) | 1600年 / American Institute of Physics Inc.卷 / 113期
关键词：
We report on gold (Au)-doped multi-layer graphene (MLG); which can be used as a transparent conducting layer in near-ultraviolet light-emitting diodes (NUV-LEDs). The optical output power of NUV-LEDs with thermally annealed Au-doped MLG was increased by 34 compared with that of NUV-LEDs with a bare MLG. This result is attributed to the reduced sheet resistance and the enhanced current injection efficiency of NUV-LEDs by the thermally annealed Au-doped MLG film; which shows high transmittance in NUV and UV regions and good adhesion of Au-doped MLG on p-GaN layer of NUV-LEDs. © 2013 American Institute of Physics;
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