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Author:

郭伟玲 (郭伟玲.) | 邓杰 (邓杰.) | 王嘉露 (王嘉露.) | 王乐 (王乐.) | 邰建鹏 (邰建鹏.)

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CQVIP PKU CSCD

Abstract:

近年来,石墨烯材料由于优异的光电性能获得了广泛关注,并应用于发光二极管的透明电极以取代昂贵的铟锑氧化物(indium tin oxide, ITO)透明电极,但由于石墨烯与p-GaN功函数不匹配,二者很难形成好的欧姆接触,因而造成器件电流扩展差和电压高等问题.本文将ITO薄层作为石墨烯透明电极与p-Ga N间的插入层,以改善石墨烯与p-Ga N层的欧姆接触.所制备的石墨烯透明电极的方块电阻为252.6?/□,石墨烯/ITO复合透明电极的方块电阻为70.1?/□;石墨烯透明电极与p-Ga N层的比接触电阻率为1.92×10~(–2) ?cm~2,ITO插入之后,其比接触电阻率降低为1.01×10...

Keyword:

铟锑氧化物 透明电极 比接触电阻率 石墨烯

Author Community:

  • [ 1 ] 北京工业大学光电子技术教育部重点实验室

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Source :

物理学报

Year: 2019

Issue: 24

Volume: 68

Page: 307-311

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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