期刊
ACS CATALYSIS
卷 11, 期 7, 页码 4024-4035出版社
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.1c00237
关键词
ligand design; redox-active ligand; electroassisted catalysis; hydrogen evolution; carbon dioxide reduction
The use of redox-active ligands has become a promising strategy in improving the selectivity, efficiency, and stability of catalysts in electroassisted H+ and CO2 reductions. However, the evidence for some of their effects is still lacking, and there are open questions about how redox-active ligands may impact the catalytic mechanism.
In the past decade, the use of redox-active ligands has emerged as a promising strategy to improve catalyst selectivity, efficiency, and stability in electroassisted H+ and CO2 reductions. Partial delocalization of the electrons within ligand-centered orbitals has been proposed to serve as an electron reservoir, as a catalytic trigger, or as a way to prevent deleterious low-valent metal center formation. However, conclusive evidence of these effects is still scarce, and open questions remain regarding the way redox-active ligands may affect the catalytic mechanism. In this Perspective, advances in redox-active ligands in electroassisted catalytic H+ and CO2 reductions are discussed through recent representative examples.
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