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Electronic Modulation of a Copper/Zinc Oxide Catalyst by a Heterojunction for Selective Hydrogenation of Carbon Dioxide to Methanol

Authors

  • Fenglin Liao,

    1. College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 (PR China)
    2. Wolfson Catalysis Centre, Department of Chemistry, University of Oxford, Oxford, OX1 3QR (UK)
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  • Ziyan Zeng,

    1. College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 (PR China)
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  • Clive Eley,

    1. Wolfson Catalysis Centre, Department of Chemistry, University of Oxford, Oxford, OX1 3QR (UK)
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  • Dr. Qin Lu ,

    1. Wolfson Catalysis Centre, Department of Chemistry, University of Oxford, Oxford, OX1 3QR (UK)
    2. Naval Research Laboratory, 4555 Overlook Ave., S.W, Chemistry Division, Code 6112, Washington, DC 20375-5342 (USA)
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  • Dr. Xinlin Hong,

    Corresponding author
    1. College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 (PR China)
    • College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 (PR China)

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  • Prof. Shik Chi Edman Tsang

    Corresponding author
    1. College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 (PR China)
    2. Wolfson Catalysis Centre, Department of Chemistry, University of Oxford, Oxford, OX1 3QR (UK)
    • College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 (PR China)

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  • This research was supported by the NSFC (grant number 20903074) and the Fundamental Research Funds for Central Universities of China. TEM characterization was performed by the University of St Andrews (UK) through the EPSRC access scheme.

Abstract

original image

Methanol from CO2: For the hydrogenation of carbon dioxide, a marked increase in the methanol selectivity was observed when the reaction was catalyzed by Cu/rod-shaped ZnO/CdSe with heterojunction structure. Diffusion reflectance, photoluminescence, and ESR spectroscopies clearly indicated an increase in the electron density because of the incorporation of CdSe in the core–shell morphology of Cu/rod-shaped ZnO (see picture).

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