Electrical properties of SiO2-based graphene under monochromatic visible light irradiation

Xiangdi Li; Xianming Liu; Xueying Cao; Peng Zhang; Xiaohua Lei; Weimin Chen

doi:10.1117/12.2271739

28 August 2017 Electrical properties of SiO₂-based graphene under monochromatic visible light irradiation

Xiangdi Li, Xianming Liu, Xueying Cao, Peng Zhang, Xiaohua Lei, Weimin Chen

Proceedings Volume 10345, Active Photonic Platforms IX; 103450Y (2017) https://doi.org/10.1117/12.2271739
Event: SPIE Nanoscience + Engineering, 2017, San Diego, California, United States

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.

Conference Presentation

Citation Download Citation

Xiangdi Li, Xianming Liu, Xueying Cao, Peng Zhang, Xiaohua Lei, and Weimin Chen "Electrical properties of SiO₂-based graphene under monochromatic visible light irradiation", Proc. SPIE 10345, Active Photonic Platforms IX, 103450Y (28 August 2017); https://doi.org/10.1117/12.2271739

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