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    Magnetic CoFe2O4-Graphene hybrids: Facile synthesis, characterization, and catalytic properties

    Access Status
    Fulltext not available
    Authors
    Yao, Yunjin.
    Yang, Z.
    Zhang, D.
    Peng, Wenchao.
    Sun, Hongqi
    Wang, Shaobin
    Date
    2012
    Type
    Journal Article
    
    Metadata
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    Citation
    Yao, Y. and Yang, Z. and Zhang, D. and Peng, W. and Sun, H. and Wang, S. 2012. Magnetic CoFe2O4-Graphene hybrids: Facile synthesis, characterization, and catalytic properties. Industrial & Engineering Chemistry Research. 51 (17): pp. 6044-6051.
    Source Title
    Industrial & Engineering Chemistry Research
    DOI
    10.1021/ie300271p
    ISSN
    1520-5045
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/41375
    Collection
    • Curtin Research Publications
    Abstract

    This paper reports the synthesis of magnetic CoFe2O4-reduced graphene oxide (rGO) hybrids and the catalytic performance in heterogeneous activation of peroxymonosulfate (PMS) for decomposition of phenol. The surface morphologies and structures of the CoFe2O4-rGO hybrids were investigated by field emission scanning electron microscopy (SEM), energydispersive X-ray spectrometer (EDS), transmission electron microscopies(TEM), powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), nitrogen adsorption-desorption isotherm, and thermogravimetric analysis (TGA). Through an in situ chemical deposition and reduction, CoFe2O4-rGO hybrids with CoFe2O4 nanoparticles of 23.8 nm were produced. Catalytic testing showed CoFe2O4-rGO hybrids exhibited much better catalytic activity than CoFe2O4, which suggests rGO plays an important role in CoFe2O4-rGO hybrids for the decomposition of phenol. Moreover, the hybrid catalyst presents good magnetism and could be separated from solution by a magnet.

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