Journal
CERAMICS INTERNATIONAL
Volume 41, Issue 3, Pages 4810-4813Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2014.12.036
Keywords
B. X-ray methods; D. Carbon; E. Functional applications; Graphene oxide; TEM
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Spinach (Spinacia oleracea) leaves mediated efficient green reduction of graphene oxide (GO) was achieved to produce multifunctional reduced graphene oxide (rGO). GO was mixed with spinach juice and refluxed for 30 min at 100 degrees C. Powder XRD, TEM and UV visible techniques demonstrate the formation of well-organized layered rGO. Industrially important carcinogenic Methylene blue (MB) and Malachite green (MG) dyes absorption experiments with rGO were performed under dark condition. Complete removal of MB and MG occurs in spans of 60 and 40 min respectively in the presence of 20 mg rGO. Potential antioxidant activity was exhibited by the rGO with 50% inhibitory concentration of 1590 mu g/mL against the scavenging of 2, 2-dipheny1-1-picrylhydrazyl (DPPH) free radicals. Environment friendly, economical and facile reduction method is suggested for the efficient reduction of GO. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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