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( Kumaravel Vignesh ),곽병섭,강미숙 한국공업화학회 2014 한국공업화학회 연구논문 초록집 Vol.2014 No.1
A magnetic nanocomposite composed of manganese ferrite (MnFe<sub>2</sub>O<sub>4</sub>), graphitic-carbon nitride (g-C<sub>3</sub>N<sub>4</sub>) and titanium dioxide-P25 (TiO<sub>2</sub>) was synthesized via chemical impregnation method. The as-synthesized nanocomposite (MnFe<sub>2</sub>O<sub>4</sub>/g-C<sub>3</sub>N<sub>4</sub>/TiO<sub>2</sub>) was characterized through XRD, FE-SEM, TEM, EDX, UV-vis-DRS, photoluminescence (PL), B.E.T. surface area analysis, X-ray photo-electron spectroscopy and vibrating sample magnetometery (VSM) techniques. The photocatalytic activity was tested for the degradation of methyl orange (MO) dye as a model pollutant under simulated solar light irradiation. It was found that MnFe<sub>2</sub>O<sub>4</sub>/g-C<sub>3</sub>N<sub><sub>4</sub></sub>/TiO<sub>2</sub> displayed excellent photocatalytic activity than that of g-C<sub>3</sub>N<sub>4</sub>, MnFe<sub>2</sub>O<sub>4</sub> and MnFe<sub>2</sub>O<sub>4</sub>/g-C<sub>3</sub>N<sub>4</sub>. The enhancement in the photocatalytic activity was ascribed to the synergism between TiO<sub>2</sub>, g-C<sub>3</sub>N<sub>4</sub> and MnFe<sub>2</sub>O<sub>4</sub>.