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    Copyrolysed C3N4-Ag/ZnO Ternary Heterostructure Systems for Enhanced Adsorption and Photocatalytic Degradation of Tetracycline

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    Authors
    Panneri, S.
    Ganguly, P.
    Nair, Balagopal
    Mohamed, A.
    Warrier, K.
    Hareesh, U.
    Date
    2016
    Type
    Journal Article
    
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    Citation
    Panneri, S. and Ganguly, P. and Nair, B. and Mohamed, A. and Warrier, K. and Hareesh, U. 2016. Copyrolysed C3N4-Ag/ZnO Ternary Heterostructure Systems for Enhanced Adsorption and Photocatalytic Degradation of Tetracycline. European Journal of Inorganic Chemistry. 2016 (31): pp. 5068-5076.
    Source Title
    European Journal of Inorganic Chemistry
    DOI
    10.1002/ejic.201600646
    ISSN
    1434-1948
    School
    Nanochemistry Research Institute
    URI
    http://hdl.handle.net/20.500.11937/28738
    Collection
    • Curtin Research Publications
    Abstract

    © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, WeinheimThe graphitic carbon nitride (g-C3N4) Ag/ZnO (CAZ) nanocomposite heterostructure was prepared by the copyrolysis of a precursor mixture containing melamine and nitrates of zinc and silver. This one-pot synthetic approach facilitated the incorporation of fine dispersions of Ag and ZnO on C3N4 sheets. The CAZ sample thus prepared exhibited higher adsorption capacity and enhanced sunlight-induced photocatalytic activity towards tetracycline degradation when compared with compositions of g-C3N4-Ag, g-C3N4-ZnO, ZnO-Ag, and g-C3N4. Incorporation of ZnO helped to utilize the UV component of sunlight, whereas ultrafine dispersions of Ag on the surface of the composite created intimate interfaces, facilitating the direct migration of photoinduced electrons to the Ag surface for an efficient separation of photogenerated electron-hole pairs. The present work exemplifies a simple and convenient synthetic protocol for processing the tricomponent heterostructured system of g-C3N4-Ag/ZnO for the effective degradation of pollutants such as tetracycline.

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