拉曼光谱
催化作用
原位
电化学
表征(材料科学)
材料科学
氧化还原
化学
化学工程
纳米技术
电极
无机化学
物理化学
有机化学
光学
物理
工程类
作者
Hefei Li,Pengfei Wei,Dunfeng Gao,Guoxiong Wang
标识
DOI:10.1016/j.cogsc.2022.100589
摘要
An accurate understanding of reaction mechanisms is crucial for the rational design of highly efficient catalytic materials for electrochemical CO2 reduction reaction (CO2RR). In situ characterization methods are powerful to reveal structure–performance correlations of working catalysts under reaction conditions. Electrochemical in situ Raman spectroscopy is able to probe catalyst structures as well as reaction intermediates on/near catalyst surfaces in an electrochemical environment. In this short review, we briefly introduce the principle of electrochemical in situ Raman spectroscopy and highlight recent advances of its applications in tracking structure evolution of catalyst surfaces and identifying reaction intermediates during CO2RR over selected Cu catalysts. The research challenges and opportunities of investigating CO2RR mechanisms using electrochemical in situ Raman spectroscopy are also proposed.
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