Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 16, Issue 13, Pages 5922-5926Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cp00102h
Keywords
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Funding
- EPSRC [EP/H046380/1]
- ERC
- Spanish Ministry of Education [EX2010-0479]
- European Commission Marie Curie CIG [PhotoCO2]
- Spanish Ministry of Education
- University of Valencia
- EU for the Erasmus scholarship
- EPSRC [EP/K039946/1, EP/K006851/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/K039946/1, EP/H046380/1, EP/K006851/1] Funding Source: researchfish
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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.
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