Nguyen Long Tuyen, Pham Quoc Trieu, Nguyen Ngoc Dinh, Nguyen Thanh Trung, Dang Van Thanh

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This report presented an effective way to synthesize MnO2/graphene nanocomposites using the plasma electrolysis method for photocatalytic degradation of methyl orange dye in water. The morphology, structure, and chemical composition of MnO2/graphene nanocomposites materials were investigated through scanning electron microscopy (SEM), Raman spectra, and Fourier-transform infrared (FTIR) spectroscopy, respectively. SEM results showed that MnO2 nanoparticles with particle sizes of 30-50 nm were attached uniformly on the surface of graphene nanosheets. The photodegradation activity was performed under UV-visible irradiation to evaluate the potential application of MnO2/graphene nanocomposites.

Keywords: Plasma, electrolysis, orange dyes, graphene, MnO2.


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