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Comparative study on the photocatalytic activity of biomass carbon doped Bi2WO6 crystallite with self-assembled hierarchical structure

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Abstract

Biomass carbon doped Bi2WO6 crystallite with a three-dimensional hierarchical structure was prepared with a facile and efficient process under microwave hydrothermal-calcination conditions. The as-prepared samples were characterized and investigated for phase compositions, morphology and photo-catalytic activity. Results show that the highest photo-catalytic activity of the C-Bi2WO6 for the degradation of RhB is 92.3 % within 240 min under visible light, which is considerably higher than that of pure Bi2WO6. The improved photo-catalytic performance could be attributed to the enhanced carrier transportation and photo-generated electron–hole separation. Our studies indicate that the synergetic effect between C and Bi2WO6 is beneficial to its photo-catalytic activity.

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Acknowledgments

The authors are grateful to National Key Technology R&D Program (No. 2013BAF09B02), National Natural Science Foundation of China (No. 51472152), Innovation Team Assistance Foundation of Shaanxi Province (2013KCT-06), Innovation Team Assistance Foundation of Shaanxi University of Science & Technology (TD12-05).

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Authors and Affiliations

  1. School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi’an, 710021, Shaanxi, People’s Republic of China

    Dinghan Liu, Jianfeng Huang, Liyun Cao, Xingwang Tao & Boye Zhang

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  1. Dinghan Liu
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  2. Jianfeng Huang
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  3. Liyun Cao
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  4. Xingwang Tao
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Correspondence to Jianfeng Huang.

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Liu, D., Huang, J., Cao, L. et al. Comparative study on the photocatalytic activity of biomass carbon doped Bi2WO6 crystallite with self-assembled hierarchical structure. J Mater Sci: Mater Electron 27, 2473–2480 (2016). https://doi.org/10.1007/s10854-015-4048-2

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  • DOI: https://doi.org/10.1007/s10854-015-4048-2

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