Synthesis of rGO via UV-assisted photocatalytic reduction of graphene oxide

Rui Liu1*, Wein-Duo Yang2, Qiao Ying Jie3*, Ying Jin Song1, Yan-Ru Li2

1School of Science, Harbin University  of  Commerce, Harbin, 150076, China

2Department of Chemical and Materials Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung 807, Taiwan

3College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China

Adv. Mater. Lett., 2018, 9 (6), pp 436-438

DOI: 10.5185/amlett.2018.1884

Publication Date (Web): May 17, 2018

E-mail: 57776806@qq.com

Abstract


We perform a novel strategy for the synthesis of reduced graphene oxide (rGO) with an 18 W UV-assisted photocatalytic reduction method. The surface morphology and internal structure of the obtained rGO were identified by Transmission Electron Microscopy (TEM) and Atomic Force Microscopy (AFM). The rGO electrode materials have 2-6 layers graphene layers with a thickness of 1.1 nm to 2.2 nm after the photocatalytic reduction for 10 h. The rGO shows a superb capacitance of 250.41 Fg-1 with obvious triangles in the electrochemical charge-discharge analysis, which indicates good reversibility between the graphene oxide and reduced graphene oxide. This research may provide new insights that contribute to resolving the capacity issues of lithium batteries. 

Keywords

Graphene oxide, photocatalytic reduction, transmission electron microscopy.

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