Graphene oxide and its electrochemical performance

Ban, F.Y. and Majid, Siti Rohana and Huang, Nay Ming and Lim, H.N. (2012) Graphene oxide and its electrochemical performance. International Journal of Electrochemical Science, 7 (5). pp. 4345-4351. ISSN 1452-3981,

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In this study, graphene oxide (GO) was synthesized from graphite flakes using simplified Hummer's method. Field Emission Scanning Electron Microscopy (FESEM) image showed that the GO nanosheets had an average area 7000 mu m(2) with lateral dimension of up to 150 mu m. The X-Ray Diffraction (XRD) pattern revealed a (002) diffraction peak, signifying the successful synthesis of GO. GO solution was cast on an aluminum (Al) foil placed in a petri dish and left to dry to form an electrode made up of GO film on the Al foil (GO-Al). It was found that GO-Al exhibited equivalent series resistance (ESR) close to that of the Al foil.

Item Type: Article
Additional Information: Department of Physics, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: capacitance; electrochemistry; graphene; simplified hummer's method; sheets; films
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: Miss Malisa Diana
Date Deposited: 17 Jul 2013 03:14
Last Modified: 20 Jan 2021 07:44

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