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Proceedings Paper

Graphene-MoS2 heterostructure transistor
Author(s): W. P. Ren; Q. J. Wang; Q. H. Tan; Y. K. Liu
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Paper Abstract

In order to simplify the preparation process of Graphene and molybdenum disulfide (MoS2) heterostructure transistors, a sessile drop method was proposed for sample preparation. In this paper, few-layers MoS2 and monolayer Graphene liquid were prepared by liquid-phase exfoliation. Then the liquid was successively used to form a film on the Si substrate, which covered with 300nm SiO2, by using spin-coater method. The Graphene/MoS2 transistor was prepared by electron beam evaporation with a metal mask plate. The K4200 semiconductor analyzer and probe platform were used to characterize the transistor. We also see that Graphene/MoS2 transistor is more sensitive to light from same wavelength. This fully demonstrates that the Graphene/MoS2 transistor combines the selective absorption of light of MoS2 and the characteristics of high carrier mobility of Graphene. And it greatly optimizes the performance of MoS2 transistor and Graphene transistor. Thus, Graphene/ MoS2 transistors, which produced by sessile drop method, will have more potential application in the electric and optoelectronic industry.

Paper Details

Date Published: 17 May 2019
PDF: 4 pages
Proc. SPIE 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019), 1117027 (17 May 2019); doi: 10.1117/12.2533593
Show Author Affiliations
W. P. Ren, Yunnan Normal Univ. (China)
Q. J. Wang, Yunnan Normal Univ. (China)
Q. H. Tan, Yunnan Normal Univ. (China)
Y. K. Liu, Yunnan Normal Univ. (China)

Published in SPIE Proceedings Vol. 11170:
14th National Conference on Laser Technology and Optoelectronics (LTO 2019)
Jianqiang Zhu; Weibiao Chen; Zhenxi Zhang; Minlin Zhong; Pu Wang; Jianrong Qiu, Editor(s)

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