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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- Synthesis and characterization of metal-doped reduced graphene oxide composites, and their application in removal of Escherichia coli, arsenic and 4-nitrophenol
- Dubey, Shashi Prabha; Nguyen, Thuy T.M.; Kwon, Young-Nam; Lee, Changha
- Issue Date
- ELSEVIER SCIENCE INC
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.29, pp.282 - 288
- 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, Cu2</inf>O, and Fe3</inf>O4</inf>) and bimetallic (Ag-Cu2</inf>O, Ag-Fe3</inf>O4</inf>, and Cu2</inf>O-Fe3</inf>O4</inf>) 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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