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Experimental Study on Photocatalytic Activity of Cu2O/Cu Nanocomposites Under Visible Light

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Abstract

Cu2O/Cu nanocomposites (NCs) are synthesized using a two-step hydrothermal method, their different phase compositions are obtained by adjusting the reaction time, and then, they are used as photocatalysts to degrade dye Procion Red MX-5B (PR), methylene blue (MB) and methyl orange (MO) under visible-light. Experimental results indicate Cu2O/Cu NCs exhibit a much higher photocatalytic activity than pure Cu2O, they remain almost unchanged in their phase compositions in the long photocatalytic reaction process, except for partial oxidation of particle surface. They still exhibit a high photocatalytic activity even at the end of four photocatalytic reaction cycles. It can therefore be concluded that Cu2O/Cu nanocomposites are good candidates for processing of pollutant water.

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Acknowledgments

This research work is funded by the National Natural Science Foundation of China (no. 10504005 and no. 10674034), and Development Program of outstanding Young Teachers in Harbin Institute of Technology (Grant no. HITQNJS.2006.059).

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Authors and Affiliations

  1. Department of Physics, Center for Condensed Matter Science and Technology, Harbin Institute of Technology, 150080, Harbin, China

    Bo Zhou, Zhiguo Liu, Yanqiang Yang & Wenhui Su

  2. College of Chemistry and Chemical Engineering, Harbin Normal University, 150025, Harbin, China

    Hongxia Wang

  3. International Center for Materials Physics, Academia Sinica, 110015, Shenyang, China

    Wenhui Su

Authors
  1. Bo Zhou
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  2. Zhiguo Liu
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  3. Hongxia Wang
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  4. Yanqiang Yang
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  5. Wenhui Su
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Correspondence to Zhiguo Liu.

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Zhou, B., Liu, Z., Wang, H. et al. Experimental Study on Photocatalytic Activity of Cu2O/Cu Nanocomposites Under Visible Light. Catal Lett 132, 75–80 (2009). https://doi.org/10.1007/s10562-009-0063-3

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  • DOI: https://doi.org/10.1007/s10562-009-0063-3

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