Electronic Properties of Microscale Reduced Graphene Oxide Patterned by Micromolding

Zhang, Jia, Wang, Zhenlong, Hu, Ping An, Fu, Yong Qing and Placido, Frank (2012) Electronic Properties of Microscale Reduced Graphene Oxide Patterned by Micromolding. Nanoscience and Nanotechnology Letters, 4 (9). pp. 889-894. ISSN 1941 4900

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Abstract

Highly uniform reduced graphene oxide (rGO) array patterns with both stripe and square shapes have been fabricated on various substrates using PDMS based soft lithography. Morphology, structure and electrical properties of the GO patterns before and after annealing at 800 °C in H2 atmosphere were investigated. The conductivity and carriers mobilities of the rGO patterns were improved by four orders after H2-reduction. Temperature-dependent electrical measurements showed that charge transport occurs via a variable range hopping mechanism.

Item Type:	Article
Uncontrolled Keywords:	Reduced graphene oxide pattern, soft lithography, variable range hopping
Subjects:	F200 Materials Science
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User:	Becky Skoyles
Date Deposited:	23 Mar 2015 11:19
Last Modified:	12 Oct 2019 19:07
URI:	http://nrl.northumbria.ac.uk/id/eprint/21685

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