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    CuInS2quantum dots embedded in Bi2WO6nanoflowers for enhanced visible light photocatalytic removal of contaminants

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    Fulltext not available
    Authors
    Luo, S.
    Ke, J.
    Yuan, M.
    Zhang, Q.
    Xie, P.
    Deng, L.
    Wang, Shaobin
    Date
    2018
    Type
    Journal Article
    
    Metadata
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    Citation
    Luo, S. and Ke, J. and Yuan, M. and Zhang, Q. and Xie, P. and Deng, L. and Wang, S. 2018. CuInS2quantum dots embedded in Bi2WO6nanoflowers for enhanced visible light photocatalytic removal of contaminants. Applied Catalysis B: Environmental. 221: pp. 215-222.
    Source Title
    Applied Catalysis B: Environmental
    DOI
    10.1016/j.apcatb.2017.09.028
    ISSN
    0926-3373
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/57688
    Collection
    • Curtin Research Publications
    Abstract

    © 2017 Elsevier B.V. Novel CuInS 2 quantum dots (CIS-QDs)/Bi 2 WO 6 3D composites were successfully synthesized through a facile deposition process, followed by low temperature calcination. The ternary p-type CIS-QDs were highly dispersed onto the surface of flower-like n-type Bi 2 WO 6 nanosheets to form p-n heterojunction and simultaneously tune the behaviors of photogenerated charge carriers, resulting in higher photocatalytic efficiencies of toluene degradation and Cr(VI) reduction under visible light irradiation, which are 3.0 and 8.5 times higher than those of Bi 2 WO 6 , respectively. The photoelectrochemical investigations indicate that the introduction of CIS-QDs synergistically enhanced the harvesting efficiency of solar energy in the p-n heterojunction system with the internal electric field and reduced transfer barrier of photoinduced charge carriers by forming the unique Bi[sbnd]S bonds between the CIS-QDs and flower-like Bi 2 WO 6 .

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