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Facile synthesis of mesoporous cuprous oxide nanoparticles for enhanced visible-light-driven photodegradation

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Abstract

The visible-light-active mesoporous cuprous oxide nanoparticles were successfully synthesized via a facile precipitation process with the presence of gelatin, which was demonstrated to play an important role in the formation of mesoporous structure and the grain size control. The nanoscale grain size and mesoporous structure lead to lager specific surface area with the addition of gelatin. Furthermore, the photodegradation of as-prepared catalysts in the presence of gelatin toward the negatively charged methyl orange (MO) was investigated. The cuprous oxide displayed an excellent visible light photocatalytic activity of MO, owing to its exposed active (111) face and large specific surface area. The adsorption of positively charged methyl blue (MB) revealed that the mesoporous cuprous oxide displayed better adsorption of anionic dye MB due to the residual gelatin on the surface of the grains, compared to that in the absence of gelatin.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China

    Han Xiao  (肖涵), Liwen Lei  (雷利文), Zhiqiang Wang & Yuanyuan Chen

Authors
  1. Han Xiao  (肖涵)
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  2. Liwen Lei  (雷利文)
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  3. Zhiqiang Wang
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  4. Yuanyuan Chen
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Corresponding author

Correspondence to Liwen Lei  (雷利文).

Additional information

Supported by the Ministry of Science and Technology of the People's Republic of China (No.2015DFR50650), the National Natural Science Foundation of China (Nos.51502220, 51521001, 51672197) and the Students Innovation and Entrepreneurship Training Program 2016 of Wuhan University of Technology

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Xiao, H., Lei, L., Wang, Z. et al. Facile synthesis of mesoporous cuprous oxide nanoparticles for enhanced visible-light-driven photodegradation. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 33, 91–96 (2018). https://doi.org/10.1007/s11595-018-1791-2

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  • DOI: https://doi.org/10.1007/s11595-018-1791-2

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