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Electrical properties of SiO2-based graphene under monochromatic visible light irradiation
Author(s): Xiangdi Li; Xianming Liu; Xueying Cao; Peng Zhang; Xiaohua Lei; Weimin Chen
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Paper Abstract

The purpose of this study is to investigate the electrical properties of graphene transparent conductive film under visible light irradiation. Sample in the study is chemical vapor deposition (CVD) growth graphene on the surface of copper foils and then transferred to the SiO2 substrate. Three monochromatic visible lights with wavelength of 635nm, 520nm and 450nm representing red (R), green (G) and blue (B) lights are used as irradiation sources. Results show that the graphene resistances increase slowly under light irradiation with all the three different wavelengths, while decrease slowly after the light is switched off. Light irradiation with higher power density will induce larger relative resistance change. When graphene is irradiated at the same density, blue light irradiation may result in the largest resistance change.

Paper Details

Date Published: 28 August 2017
PDF: 6 pages
Proc. SPIE 10345, Active Photonic Platforms IX, 103450Y (28 August 2017); doi: 10.1117/12.2271739
Show Author Affiliations
Xiangdi Li, Chongqing Univ. (China)
Xianming Liu, Chongqing Univ. (China)
Xueying Cao, Chongqing Univ. (China)
Peng Zhang, Chongqing Univ. (China)
Xiaohua Lei, Chongqing Univ. (China)
Weimin Chen, Chongqing Univ. (China)


Published in SPIE Proceedings Vol. 10345:
Active Photonic Platforms IX
Ganapathi S. Subramania; Stavroula Foteinopoulou, Editor(s)

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