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dc.contributor.authorSaranyoo Chaiwichianen_US
dc.contributor.authorKhatcharin Wetchakunen_US
dc.contributor.authorSukon Phanichphanten_US
dc.contributor.authorWiyong Kangwansupamonkonen_US
dc.contributor.authorNatda Wetchakunen_US
dc.description.abstract© 2016 The Royal Society of Chemistry. Visible-light-driven Fe-doped Bi2WO6-BiVO4composites have been synthesized via a hydrothermal method with varying nominal iron contents in the range of 0.5-5.0 mol%. The physicochemical properties of the obtained materials were characterized by X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET)-specific surface area, transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), inductively coupled plasma-optical emission spectroscopy (ICP-OES), UV-vis diffuse reflectance spectroscopy (UV-vis DRS), and photoluminescence (PL) techniques. Methylene blue (MB) as probe pollutant was adopted to investigate the photocatalytic activity of all samples under visible light irradiation. The Fe-doped Bi2WO6-BiVO4composites showed an enhanced photocatalytic activity for the degradation of MB under visible light, which was attributed to the iron ions acting as good electron and hole traps for facilitating the separation of charge carriers. Simultaneously, the high stability of the sample was also investigated by five successive photodegradation tests of MB under visible light. The relationship between the photocatalytic activities and the structures of Fe-doped Bi2WO6-BiVO4composites was discussed. The possible photocatalytic mechanism of the composites was proposed to guide the further improvement of their photocatalytic performance.en_US
dc.subjectChemical Engineeringen_US
dc.titleThe effect of iron doping on the photocatalytic activity of a Bi<inf>2</inf>WO<inf>6</inf>-BiVO<inf>4</inf>compositeen_US
article.title.sourcetitleRSC Advancesen_US
article.volume6en_US Mai Universityen_US Universityen_US National Nanotechnology Centeren_US
Appears in Collections:CMUL: Journal Articles

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