Journal of Industrial and Engineering Chemistry, Vol.29, 282-288, September, 2015
Synthesis and characterization of metal-doped reduced graphene oxide composites, and their application in removal of Escherichia coli, arsenic and 4-nitrophenol
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The aim of the present study is to synthesize dispersible reduced graphene oxide (RGO) via
functionalization with metals and metal oxides and explore their potential applications in water
purification. Graphene-based metal and metal oxide composites were synthesized hydrothermally using sodium borohydride as a reducing agent and sodium sorbate as a stabilizer. Single (Ag, Cu2O, and Fe3O4) and bimetallic (Ag-Cu2O, Ag-Fe3O4, and Cu2O-Fe3O4) nanoparticles were incorporated on the surface of RGO. The synthesized composites were characterized by various analytical methods. The inactivation of E. coli, the catalytic degradation of 4-nitrophenol, and the adsorption of As(V) were examined using the RGO composites.
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