Journal
CHEMICAL COMMUNICATIONS
Volume 58, Issue 67, Pages 9421-9424Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2cc03167a
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Funding
- National Natural Science Foundation of China [22078368]
- Hunan Provincial Science and Technology Plan Project of China [2017TP1001]
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This study achieves effective charge separation and surface catalytic reaction for photoelectrochemical CO2 reduction by decorating silver on Cu2O nanowires, resulting in a high faradaic efficiency for CH3COOH production.
The generation of multi-carbon products on the Cu2O photocathode remains a great challenge. Herein, effective charge separation and surface catalytic reaction are achieved for photoelectrochemical CO2 reduction through plasmon metal (Ag) decoration on Cu2O nanowires. The Cu2O/Ag composite photocathode achieves a 47.7% faradaic efficiency for CH3COOH and the generation rate is 212.7 mu mol cm(-2) h(-1) under illumination, which is about five times that in dark (44.4 mu mol cm(-2) h(-1)) at -0.7 V vs. RHE.
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