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Issue 13, 2014
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Interfacial charge separation in Cu2O/RuOx as a visible light driven CO2 reduction catalyst

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Abstract

We employ transient absorption spectroscopy to record the absorption spectrum of photogenerated charge carriers in Cu2O. We have found that CO2 reduction in Cu2O is limited by fast electron–hole recombination. The deposition of RuOx nanoparticles on Cu2O results in a twofold increased yield of long-lived electrons, indicating partially reduced electron–hole recombination losses. This observation correlates with an approximately sixfold increase in the yield of CO2 reduction to CO.

Graphical abstract: Interfacial charge separation in Cu2O/RuOx as a visible light driven CO2 reduction catalyst

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Publication details

The article was received on 09 Jan 2014, accepted on 11 Feb 2014 and first published on 11 Feb 2014


Article type: Communication
DOI: 10.1039/C4CP00102H
Citation: Phys. Chem. Chem. Phys., 2014,16, 5922-5926
  • Open access: Creative Commons BY license
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    Interfacial charge separation in Cu2O/RuOx as a visible light driven CO2 reduction catalyst

    E. Pastor, F. M. Pesci, A. Reynal, A. D. Handoko, M. Guo, X. An, A. J. Cowan, D. R. Klug, J. R. Durrant and J. Tang, Phys. Chem. Chem. Phys., 2014, 16, 5922
    DOI: 10.1039/C4CP00102H

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