Enhancing Cu-ligand interaction for efficient CO2 reduction towards multi-carbon products
CHEMICAL COMMUNICATIONS(2024)
摘要
Electrochemical CO2 reduction (CO2R) to valuable products provides a promising strategy to enable CO2 utilization sustainably. Here, we report the strategy of using Cu-DAT (3,5-diamino-1,2,4-triazole) as a catalyst precursor for efficient CO2 reduction, demonstrating over 80% selectivity towards multicarbon products at 400 mA cm(-2), with intrinsic activity over 19 times higher than that of Cu nanoparticles. The catalyst' s active phase is determined to be metallic copper wrapped with the DAT ligand. We attribute this enhanced CO2R performance to the accelerated steps of *CO adsorption and C-C coupling induced by the closely cooperated DAT ligand.
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