Enhanced Photocatalytic Performance of Iodine Doped Bi2WO6 Nanostructures under Visible-Light Irradiation

Bao Wei Cao; Yun Hua Xu

doi:10.4028/www.scientific.net/AMM.423-426.163

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Enhanced Photocatalytic Performance of Iodine Doped Bi₂WO₆ Nanostructures under Visible-Light Irradiation

Abstract:

Bi₂WO₆ doped with iodine ions were synthesized using hydrothermal method and their photocatalytic activities to degrade Rhodamine B (RhB) under visible-light was investigated. The successful incorporation of I ions in Bi₂WO₆ was proved by XRD and XPS. UV-vis absorption spectra results show that I ion was successfully doped into Bi₂WO₆ and a red shift for I-doped Bi₂WO₆ appeared when compared to pure Bi₂WO₆. The photocatalytic activities of the photocatalysts were evaluated by the decolorization of RhB under visible-light irradiation. The results showed that the photocatalytic activity of I-doped Bi₂WO₆ was much higher than the undoped Bi₂WO₆.