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    Fabrication, characterization, and photocatalytic property of alpha-Fe2O3/graphene oxide composite

    Access Status
    Fulltext not available
    Authors
    Li, H.
    Zhao, Q.
    Li, X.
    Zhu, Z.
    Tade, Moses
    Liu, Shaomin
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Li, Hong and Zhao, Qidong and Li, Xinyong and Zhu, Zhengru and Tade, Moses and Liu, Shaomin. 2013. Fabrication, characterization, and photocatalytic property of alpha-Fe2O3/graphene oxide composite. Journal of Nanoparticle Research. 15: 1670.
    Source Title
    Journal of Nanoparticle Research
    DOI
    10.1007/s11051-013-1670-x
    ISSN
    1388-0764
    URI
    http://hdl.handle.net/20.500.11937/27315
    Collection
    • Curtin Research Publications
    Abstract

    Spindle-shaped microstructure of alpha-Fe2O3 was successfully synthesized by a simple hydrothermal method. The alpha-Fe2O3/graphene oxide (GO) composites was prepared using a modified Hummers’ strategy. The properties of the samples were systematically investigated by X-ray powder diffraction (XRD), UV–Vis diffuse reflectance spectrophotometer, transmission electron microscope, atomic force microscope, X-ray photoelectron spectroscopy, and Raman spectroscopy (Raman) techniques. GO nanosheets act as supporting materials for anchoring the alpha-Fe2O3 particles. The average crystallite sizes of the alpha-Fe2O3 and alpha-Fe2O3/GO samples are ca. 27 and 24 nm, respectively. The possible growth of alpha-Fe2O3onto GO layers led to a higher absorbance capacity for visible light by a-Fe2O3/GO than alpha-Fe2O3 composite. The photocatalytic degradation of toluene over the alpha-Fe2O3 and alpha-Fe2O3/GO samples under xenon-lamp irradiation was comparatively studied by in situ FTIR technique. The results indicate that the alpha-Fe2O3/GO sample synthesized exhibited a higher capacity for the degradation of toluene. The composite of alpha-Fe2O3/GO could be promisingly applied in photo-driven air purification.

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