In Situ Raman Spectroscopic Studies of Electrochemical CO2 Reduction on Cu-Based ElectrodesClick to copy article linkArticle link copied!
- Zi-Yu DuZi-Yu DuState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, College of Materials, and College of Energy, iChEM, Fujian Key Laboratory of Advanced Materials, College of Energy, Xiamen University, Xiamen 361005, ChinaMore by Zi-Yu Du
- Kun WangKun WangState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, College of Materials, and College of Energy, iChEM, Fujian Key Laboratory of Advanced Materials, College of Energy, Xiamen University, Xiamen 361005, ChinaMore by Kun Wang
- Si-Bo LiSi-Bo LiState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, College of Materials, and College of Energy, iChEM, Fujian Key Laboratory of Advanced Materials, College of Energy, Xiamen University, Xiamen 361005, ChinaMore by Si-Bo Li
- Yi-Meng XieYi-Meng XieState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, College of Materials, and College of Energy, iChEM, Fujian Key Laboratory of Advanced Materials, College of Energy, Xiamen University, Xiamen 361005, ChinaMore by Yi-Meng Xie
- Jing-Hua TianJing-Hua TianInnovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361102, ChinaMore by Jing-Hua Tian
- Qing-Na ZhengQing-Na ZhengState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, College of Materials, and College of Energy, iChEM, Fujian Key Laboratory of Advanced Materials, College of Energy, Xiamen University, Xiamen 361005, ChinaMore by Qing-Na Zheng
- Weng Fai IpWeng Fai IpDepartment of Physics and Chemistry, Faculty of Science and Technology, University of Macau, Macao 999078, ChinaMore by Weng Fai Ip
- Hua Zhang*Hua Zhang*Email: [email protected]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, College of Materials, and College of Energy, iChEM, Fujian Key Laboratory of Advanced Materials, College of Energy, Xiamen University, Xiamen 361005, ChinaInnovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361102, ChinaMore by Hua Zhang
- Jian-Feng Li*Jian-Feng Li*Email: [email protected]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, College of Materials, and College of Energy, iChEM, Fujian Key Laboratory of Advanced Materials, College of Energy, Xiamen University, Xiamen 361005, ChinaInnovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361102, ChinaMore by Jian-Feng Li
- Zhong-Qun Tian*Zhong-Qun Tian*Email: [email protected]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, College of Materials, and College of Energy, iChEM, Fujian Key Laboratory of Advanced Materials, College of Energy, Xiamen University, Xiamen 361005, ChinaInnovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361102, ChinaMore by Zhong-Qun Tian
Abstract

The electrochemical CO2 reduction reaction (CO2RR), which utilizes renewable energy to produce carbon-neutral chemicals and fuels, offers a potential pathway toward achieving global carbon neutrality. Cu-based catalysts have gained significant attention in this field due to their unique coupling ability to convert CO2 into multicarbon products, while maintaining high Faradaic efficiency. However, the CO2RR process is complex, involving a multistep proton–electron transfer process that involves intermediates associated with carbon- and oxygen-containing species. Therefore, this work aims to review the recent progress of in situ surface-enhanced Raman spectroscopic (SERS) studies of CO2RR on Cu-based catalysts. The possible reaction mechanism of CO2RR has been first discussed. In situ SERS studies of CO2RR on Cu-based single-crystal electrodes and nanocatalysts with different electronic states, morphologies, and compositions have been reviewed, and various intermediates during CO2RR have been captured to clarify the reaction mechanisms and structure–activity relationships. Moreover, the future opportunities and challenges for CO2RR electrocatalysis are presented. This review will provide fundamental insights for the understanding of CO2RR mechanisms and the design of more efficient, selective, and stable CO2RR catalysts.
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- Jiameng Sun, Wanfeng Yang, Bin Yu, Yalong Liu, Yong Zhao, Guanhua Cheng, Zhonghua Zhang. Mechanistic Understanding of the Antimony-Bismuth Alloy Promoted Electrocatalytic CO2 Reduction to Formate. Journal of Materials Chemistry A 2025, https://doi.org/10.1039/D4TA08653H
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