二氧化碳电化学还原
电化学
过渡金属
材料科学
二氧化碳
催化作用
还原(数学)
纳米技术
电子结构
金属
化学工程
碳纤维
无机化学
冶金
化学
电极
计算化学
有机化学
物理化学
复合材料
一氧化碳
工程类
复合数
数学
几何学
作者
Liang Guo,Jingwen Zhou,Fu Liu,Xiang Meng,Yangbo Ma,Fengkun Hao,Yuecheng Xiong,Zhanxi Fan
出处
期刊:ACS Nano
[American Chemical Society]
日期:2024-03-28
卷期号:18 (14): 9823-9851
被引量:39
标识
DOI:10.1021/acsnano.4c01456
摘要
With the increasingly serious greenhouse effect, the electrochemical carbon dioxide reduction reaction (CO2RR) has garnered widespread attention as it is capable of leveraging renewable energy to convert CO2 into value-added chemicals and fuels. However, the performance of CO2RR can hardly meet expectations because of the diverse intermediates and complicated reaction processes, necessitating the exploitation of highly efficient catalysts. In recent years, with advanced characterization technologies and theoretical simulations, the exploration of catalytic mechanisms has gradually deepened into the electronic structure of catalysts and their interactions with intermediates, which serve as a bridge to facilitate the deeper comprehension of structure-performance relationships. Transition metal-based catalysts (TMCs), extensively applied in electrochemical CO2RR, demonstrate substantial potential for further electronic structure modulation, given their abundance of d electrons. Herein, we discuss the representative feasible strategies to modulate the electronic structure of catalysts, including doping, vacancy, alloying, heterostructure, strain, and phase engineering. These approaches profoundly alter the inherent properties of TMCs and their interaction with intermediates, thereby greatly affecting the reaction rate and pathway of CO2RR. It is believed that the rational electronic structure design and modulation can fundamentally provide viable directions and strategies for the development of advanced catalysts toward efficient electrochemical conversion of CO2 and many other small molecules.
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