期刊
NANOTECHNOLOGY
卷 31, 期 31, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/ab884c
关键词
indium antimonide; graphene; transparent electrode; heterojunction; photodetector
资金
- NSFC [61705229]
- Youth Innovation Promotion Association of CAS [2015316, 2018416]
- Project of Chongqing Brain Science Collaborative Innovation Center, Project of CAS Western Young Scholar, Project of CQ CSTC [cstc2017zdcy-zdyfX0001, cstc2017zdcy-zdyfX0078]
- Project of Chongqing Science and Technology Bureau [cstc2019jcyj-msxmX0574, cstc2019jscx-msxmX0081, cstc2019jscx-msxmX0024]
Silicon-based Schottky heterojunction photodetectors are promising due to their compatibility with the semiconductor process. However, the applications of these devices are usually limited to wavelengths shorter than 1.1 mu m due to the low absorption of electrode materials at infrared. In this report, silicon-based compound semiconductor heterojunction photodetectors with graphene transparent electrodes are fabricated. Due to the high absorption of InSb at infrared, as well as the good transparency and excellent electrical conductivity of the graphene, the as-prepared photodetectors show a broadband photoresponse with high performance which includes a specific detectivity of 1.9 x
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