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Cu-plated hollow glass microspheres for hydrogen production and degradation

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Abstract

Cu nanoparticles (CuNPs) were loaded on the surface of hollow glass microspheres (HGMs) by electroless plating technique. The surface morphology and composition of the plated HGMs were characterized by XRD, XPS and SEM. The results show that the size and distribution of the CuNPs varied with the different copper sulfate concentrations and played an important part in photocatalytic hydrogen production. When the concentration was 2 g/L, the hydrogen production reached 3845 μmol/g h with lactic acid as a sacrificial agent and exhibited great stability for at least 20 h, which is better than the freshly synthesized alone CuNPs (1500 μmol/g h). What’s more, the photocatalytic degradation rate of methyl orange reached up to 95.75 % after 2 h under light irradiation and the photocatalysts can be recycled for further use.

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Acknowledgments

The authors acknowledge financial support from the National Natural Science Foundation of China (Nos. 21371060, 21571064), the Pearl River S&T Nova Program of Guangzhou (No. 2014J2200047) and the Fundamental Research Funds for the Central Universities (No. 2015ZM162).

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Authors and Affiliations

  1. Key Laboratory of Fuel Cell Technology of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, China

    Keyi Zhao, Hongyan Liu, Tingting Wang & Heping Zeng

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  1. Keyi Zhao
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  2. Hongyan Liu
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  3. Tingting Wang
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  4. Heping Zeng
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Correspondence to Tingting Wang or Heping Zeng.

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Zhao, K., Liu, H., Wang, T. et al. Cu-plated hollow glass microspheres for hydrogen production and degradation. J Mater Sci: Mater Electron 27, 5183–5189 (2016). https://doi.org/10.1007/s10854-016-4411-y

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