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Fe3O4–Ag2WO4: facile synthesis, characterization and visible light assisted photocatalytic activity

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Abstract

A Fe3O4–Ag2WO4 nano-composite was prepared through a sono-chemical route. Its physico-chemical properties were successfully characterized using XRD, BET, VSM, UV-vis-DRS, SEM, EDX, HR-TEM and PL techniques. The surface area of the Fe3O4–Ag2WO4 nano-composite was higher than those of pure Fe3O4 and Ag2WO4. The photocatalytic activity was tested for the degradation of a fast green (FG) dye under visible light irradiation. The Fe3O4–Ag2WO4 nano-composite showed good photocatalytic activity (81.11% of FG degradation within 120 min) when compared to Fe3O4, Ag2WO4, ZnO, and TiO2 (P25). The improved photocatalytic activity of the nano-composite was ascribed to efficient electron–hole separation. Fe3O4–Ag2WO4 was found to be a durable and stable photocatalyst during recycling experiments. A plausible mechanism for the electron–hole separation process on the heterojunction was also proposed.

Graphical abstract: Fe3O4–Ag2WO4: facile synthesis, characterization and visible light assisted photocatalytic activity

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Publication details

The article was received on 13 Aug 2017, accepted on 30 Aug 2017 and first published on 31 Aug 2017


Article type: Paper
DOI: 10.1039/C7NJ03004E
Citation: New J. Chem., 2017, Advance Article
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    Fe3O4–Ag2WO4: facile synthesis, characterization and visible light assisted photocatalytic activity

    S. Rajamohan, V. Kumaravel, R. Muthuramalingam, S. Ayyadurai, A. Abdel-Wahab, B. Sub Kwak, M. Kang and S. Sreekantan, New J. Chem., 2017, Advance Article , DOI: 10.1039/C7NJ03004E

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