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Citation: ZHANG Fen, CHAI Bo, LIAO Xiang, REN Mei-Xia, LIU Bing-Ren. Preparation and Visible Light Photocatalytic Properties of RGO/C3N4 Composites[J]. Chinese Journal of Inorganic Chemistry, ;2014, 30(4): 821-827. doi: 10.11862/CJIC.2014.094 shu

Preparation and Visible Light Photocatalytic Properties of RGO/C3N4 Composites

  • 1.

    School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China

  • Corresponding author: CHAI Bo, 
  • Received Date: 3 June 2013
    Available Online: 1 November 2013

    Fund Project: 武汉轻工大学引进(培养)人才科研启动项目(2012RZ12) (培养)人才科研启动项目(2012RZ12)武汉轻工大学大学生创新创业训练计划资助项目(No.CXXL2013009)。 (No.CXXL2013009)

  • The graphitic-like carbon nitride (C3N4) and graphene oxide (GO) were respectively prepared by one step semi-enclosed pyrolysis and improved Hummers method. Following the reduced graphene oxide/C3N4 (RGO/C3N4) composites were fabricated via a photo-reduction route. The as-prepared samples were characterized by X-ray diffraction (XRD), Field emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS), UV-Vis diffuse reflectance absorption spectroscopy (DRS), Photoluminescence (PL) and Fourier transform infrared spectroscopy (FTIR). The photocatalytic activity of samples was evaluated under visible light irradiation using Rhodamine B(RhB) as probe molecule. The experimental results show that the introduction of RGO could considerably enhance photocatalytic activity, and the 6.0% RGO/C3N4 composite exhibits the best photocatalytic performance. The significantly enhanced photocatalytic activity for the present composite originates from the electron-accepting and electron-transportation property of RGO, which inhibits the recombination rate of photogenerated electron-hole pairs.
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