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    A facile one pot synthetic approach for C3N4-ZnS composite interfaces as heterojunctions for sunlight-induced multifunctional photocatalytic applications

    246689.pdf (2.319Mb)
    Access Status
    Open access
    Authors
    Suyana, P.
    Sneha, K. R.
    Nair, Balagopal N.
    Karunakaran, V.
    Mohamed, A.
    Warrier, K.
    Hareesh, U.
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Suyana, P. and K R, S. and Nair, B. and Karunakaran, V. and Mohamed, A. and Warrier, K. and Hareesh, U. 2016. A facile one pot synthetic approach for C3N4-ZnS composite interfaces as heterojunctions for sunlight-induced multifunctional photocatalytic applications. RSC Advances. 6 (22): pp. 17800-17809.
    Source Title
    RSC Advances
    DOI
    10.1039/c5ra27427c
    School
    Nanochemistry Research Institute
    URI
    http://hdl.handle.net/20.500.11937/28342
    Collection
    • Curtin Research Publications
    Abstract

    Herein, we report a facile one pot synthetic protocol for the creation of C3N4-ZnS composite interfaces by the co-pyrolysis of a precursor mix containing zinc nitrate, melamine, and thiourea at 550°C in air. The organic-inorganic semiconductor heterojunctions thus formed displayed increased absorbance in the longer wavelength region and facilitated broad absorption of visible light compared to pure ZnS, C3N4 and conventionally synthesized hybrid samples. The decreased emission intensity, increased photocurrent generation and decreased fluorescence lifetime revealed reduced exciton recombinations in the co-pyrolysed sample containing C3N4-ZnS heterostructures. The samples displayed sunlight driven photocatalytic reduction of nitrophenol as well as hydrogen generation (4 mmol g-1 h-1) by water splitting. © The Royal Society of Chemistry 2016.

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