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Novel Visible Light Driven Magnetically Separable Graphene/BiOBr Composite Photocatalysts with Enhanced Photocatalytic Activity

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Abstract

Novel visible light magnetically separable graphene-based BiOBr composite photocatalysts were prepared for the first time. The structures, morphologies and optical properties were characterized by field emission scanning electron microscopy, transmission electron microscopy, X-ray diffraction and ultraviolet-visible spectroscopy, respectively. The photocatalytic activity of the resulting samples was evaluated by degradation of tetracycline under visible light irradiation. An appropriate amount of introduced graphene can significantly enhance the photocatalytic activities. The enhanced activities were mainly attributed to the enhanced light absorption and the interfacial transfer of electrons. The corresponding photocatalytic mechanism was proposed based on the results.

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Authors and Affiliations

  1. Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, China

    Tengfei Wu  (吴腾飞), Peifang Wang  (王沛芳) & Yanhui Ao  (敖燕辉)

Authors
  1. Tengfei Wu  (吴腾飞)
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  2. Peifang Wang  (王沛芳)
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  3. Yanhui Ao  (敖燕辉)
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Corresponding authors

Correspondence to Peifang Wang  (王沛芳) or Yanhui Ao  (敖燕辉).

Additional information

Funded by National Science Funds for Creative Research Groups of China (No.51421006), Program for Changjiang Scholars and Innovative Research Team in University (No. IRT13061), the National Science Fundation of China for Excellent Young Scholars (No. 51422902), the Key Program of National Natural Science Foundation of China (No. 41430751), National Science Fund for Distinguished Young Scholars (No. 51225901), the National Natural Science Foundation of China (No. 51579073), Natural Science Foundation of Jiangsu Province (No.BK20141417), Fundamental Research Funds (No. 2016B43814), and PAPD

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Wu, T., Wang, P. & Ao, Y. Novel Visible Light Driven Magnetically Separable Graphene/BiOBr Composite Photocatalysts with Enhanced Photocatalytic Activity. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 34, 521–526 (2019). https://doi.org/10.1007/s11595-019-2082-2

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  • DOI: https://doi.org/10.1007/s11595-019-2082-2

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