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    One-pot hydrothermal synthesis of ZnO-reduced graphene oxide composites using Zn powders for enhanced photocatalysis

    194197_194197.pdf (587.7Kb)
    Access Status
    Open access
    Authors
    Liu, Shizhen
    Sun, Hongqi
    Suvorova, A.
    Wang, Shaobin
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Liu, Shizhen. and Sun, Hongqi and Suvorova, Alexandra and Wang, Shaobin. 2013. One-pot hydrothermal synthesis of ZnO-reduced graphene oxide composites using Zn powders for enhanced photocatalysis. Chemical Engineering Journal. 229: pp. 533-539.
    Source Title
    Chemical Engineering Journal
    DOI
    10.1016/j.cej.2013.06.063
    ISSN
    1385-8947
    Remarks

    NOTICE: This is the author’s version of a work that was accepted for publication in Chemical Engineering Journal. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published Chemical Engineering Journal, Volume 229, 1 August 2013, Pages 533–539. http://dx.doi.org/10.1016/j.cej.2013.06.063

    URI
    http://hdl.handle.net/20.500.11937/36917
    Collection
    • Curtin Research Publications
    Abstract

    Zn powder was successfully utilized as a reducing agent and a precursor of ZnO for one-pot synthesis of reduced graphene oxide (rGO)–ZnO photocatalysts. Two rGO–ZnO composites were synthesized with or without a surfactant, cetyltrimethyl ammonium bromide (CTAB). The structural, morphological, and photochemical properties of the samples were thoroughly investigated by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), N2 adsorption/desorption, UV–vis diffuse reflectance (UV–vis DRS), thermogravimetric-differential thermal analysis (TG-DTA), and Raman spectroscopy. Zn powder could effectively reduce GO to graphene and be transformed to ZnO with the assistance of the surfactant.The surfactant was found to influence the properties of rGO–ZnO. rGO–ZnO photocatalysts could decompose methylene blue under UV–vis illumination and exhibited higher activities than pristine ZnO. The coexistence of GO–rGO would be more favorable to photocatalysis.

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