Journal
GREEN CHEMISTRY
Volume 20, Issue 4, Pages 798-803Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7gc03451b
Keywords
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Funding
- 973 program of China [2014CB845602]
- NSFC [21331007, 21401026]
- NSF of Guangdong Province [S2012030006240]
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Developing cheap and earth-abundant catalysts for an efficient and selective reduction of CO2 is a promising approach to cut down the increasing emissions of CO2 and obtain valuable fuels/chemicals simultaneously. Here, we present a dinuclear nickel complex, [Ni2L1](ClO4)(4) (1, L-1 = 1,2-bis((5,7-dimethyl-1,4,8,11-tetraazacyclotetradecan-6-yl) methyl) benzene), which shows an excellent performance for the electrocatalytic reduction of CO2 to CO, with a Faradaic efficiency of 95%, and turnover number (TON) and turnover frequency (TOF) values of 4.1 x 10(6) and 190.0 s(-1), respectively. Electrochemical experiments and density functional theory (DFT) calculations revealed that the excellent catalytic performance of 1 is attributed to the synergistic catalysis effect between two Ni centers within 1.
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