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Synthesis, Adsorptive, and Photocatalytic Properties of Carbon Nanotubes/TiO2 Nanocomposite Photocatalysts

  • Physical Chemistry of Nanoclusters and Nanomaterials
  • Published:
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Abstract

The carbon nanotubes/TiO2 (CNTs/TiO2) composite photocatalysts composed of TiO2 nanoparticles and multiwalled carbon nanotubes (CNTs) were prepared by a facile hydrothermal method. The photocatalysts were characterized by a range of analytical techniques including X-ray powder diffraction, field emission scanning electron microscope, thermal gravimetric analysis and UV–Vis optical absorption spectra, etc. The amount of TiO2 nanoparticles growing on CNTs could be tuned by adjusting the dosage of precursor in the reaction solution. Both the adsorptivity and photocatalytic activities of pure CNTs, pure TiO2, and the CNTs/TiO2 nanocomposites were tested by the removal of methylene blue from water in dark and under a simulated sunlight, respectively. By comparison, the improved photocatalytic activity of the CNTs/TiO2 nanocomposite is mainly due to that the CNTs can disperse the active component of TiO2 nanoparticles, provide a larger the specific surface area, as well as act as an electron sink to accelerate the separation of the photogenerated charges.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan, Anhui, 232001, P.R. China

    Xiankun Shao, Liangzhi Shao, Baoshan Zhang & Benxia Li

  2. School of Energy Resources and Safety, Anhui University of Science and Technology, Huainan, Anhui, 232001, P.R. China

    Shibin Nie

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  1. Xiankun Shao
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  2. Shibin Nie
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  3. Liangzhi Shao
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  4. Baoshan Zhang
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  5. Benxia Li
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Correspondence to Xiankun Shao.

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Shao, X., Nie, S., Shao, L. et al. Synthesis, Adsorptive, and Photocatalytic Properties of Carbon Nanotubes/TiO2 Nanocomposite Photocatalysts. Russ. J. Phys. Chem. 91, 2629–2635 (2017). https://doi.org/10.1134/S0036024417130271

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  • DOI: https://doi.org/10.1134/S0036024417130271

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