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Reduced Graphene Oxide-WO3 Hybrid Nanostructures for Improved Visible Light Photocatalytic Activity

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Reduced graphene oxide-WO3 hybrid nanostructures (RGW) have been prepared by a facile hydrothermal method and a postreatment with ethylene acohol as a reducing agent. The precursor graphene oxide results in the formation of shorter WO3 nanobelts and these hybrid nanostructures shows improved visible light photocatalytic activity compared with pure WO3. The pseudo-first-order rate constant of methylene blue degradation on RGW-1% is up to twice that of pure WO3. The Photoelectrochemical properties study shows electron transfer between WO3 and reduced graphene oxide prevents the recombination of electrons and holes and increases the photocatalytic activity of reduced graphene oxide-WO3 hybrid nanomaterials.
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Keywords: ELECTRON TRANSFER; HYBRID NANOSTRUCTURES; PHOTOCATALYTIC; REDUCED GRAPHENE OXIDE-WO3

Document Type: Research Article

Publication date: November 1, 2013

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  • Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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