Jana, Milan and Saha, Sanjit and Khanra, Partha and Murmu, Naresh Chandra and Srivastava, Suneel Kumar and Kuila, Tapas and Lee, Joong Hee (2014) Bio-reduction of graphene oxide using drained water from soakedmung beans (Phaseolus aureus L.) and its application as energy storageelectrode material. Materials Science and Engineering B, 186. pp. 33-40. ISSN 0921-5107

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Abstract

Green reduction of graphene oxide (GO) using drained water from soaked mung beans (Phaseolus aureusL.) has been demonstrated. In comparison to the toxic and hazardous reducing chemicals, the drainedwater from soaked mung beans (P. aureus L.) is completely green reducing agent, the reduction pro-cess is very simple and cost effective. The removal of oxygen containing functional groups of GO hasbeen confirmed by UV–vis, Fourier transform infrared and X-ray photoelectron spectroscopy analysis.Morphological characterization of rGO has been performed by atomic force and transmission electronmicroscopy analysis. Electrochemical performances of rGO have been evaluated by cyclic voltammetry(CV), charge–discharge and electrochemical impedance spectroscopy techniques. The specific capaci-tance (SC) of rGO has been found to be 137 F g−1at a current density of 1.3 A g−1. The retention in SC ismore than 98% after 1000 charge–discharge cycles suggesting long-term electrochemical cyclic stabilityas supercapacitor electrode materials.

Item Type:	Article
Subjects:	Materials
Depositing User:	Dr. Sarita Ghosh
Date Deposited:	17 Feb 2016 05:19
Last Modified:	17 Feb 2016 05:19
URI:	http://cmeri.csircentral.net/id/eprint/18

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