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Issue 9, 2014
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Preparation of CdWO4-deposited reduced graphene oxide and its enhanced photocatalytic properties

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Abstract

Reduced graphene oxide/CdWO4 (RGO-CdWO4) composite photocatalysts were prepared by a simple one-pot hydrothermal method. Namely, the reduction of graphene oxide and the growth of CdWO4 crystal occurred simultaneously in one single process. The obtained samples were characterized by X-ray diffraction, scanning electron microscopy, nitrogen adsorption, UV-vis reflection spectroscopy, Raman spectroscopy and X-ray photoelectron spectroscopy. The photocatalytic activities of the as-prepared samples were investigated by degradation of methylene blue under UV light irradiation. An enhancement in photocatalytic activity was observed with RGO-CdWO4 composites compared with pure CdWO4. We also investigated the effect of the amount of graphene on the photocatalytic activity of the as-prepared composite photocatalysts. The results showed that there was an optimal amount of 2%. The mechanism of enhancement of the photocatalytic activity was also discussed.

Graphical abstract: Preparation of CdWO4-deposited reduced graphene oxide and its enhanced photocatalytic properties

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Publication details

The article was received on 05 Aug 2013, accepted on 20 Nov 2013 and first published on 21 Nov 2013


Article type: Paper
DOI: 10.1039/C3DT52120F
Citation: Dalton Trans., 2014,43, 3537-3544
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    Preparation of CdWO4-deposited reduced graphene oxide and its enhanced photocatalytic properties

    J. Xu, M. Chen and Z. Wang, Dalton Trans., 2014, 43, 3537
    DOI: 10.1039/C3DT52120F

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