期刊
ACS CATALYSIS
卷 8, 期 12, 页码 11035-11041出版社
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.8b03789
关键词
CO2 electroreduction; electrocatalysis; Au-C3N4 interaction; electron transfer
资金
- National Natural Science Foundation of China [21573068]
- National Natural Science Funds for Distinguished Young Scholar [51725201]
- Fundamental Research Funds for the Central Universities [222201718002]
Electrochemical CO2 reduction reaction (CO2RR) has attracted significant interest in the storage of renewable solar energy and mitigation of environmental issues. Here, we report a strategy to tune metal electrocatalyst by means of metal-substrate interactions to boost CO2RR process. It was found that carbon nitride (C3N4) supported Au nanoparticles (Au/C3N4) exhibit a better performance than carbon-supported Au nanoparticles (Au/C). The combined experimental and theoretical results evidence that Au-C3N4 interaction induces the formation of negatively charged Au surface, which could stabilize the key intermediate *COOH. Similar enhanced CO2RR performance is also observed on C3N4 supported Ag nanoparticles (Ag/C3N4), demonstrating the universality of this strategy for enhancing CO2RR.
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