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Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
Published on: April 10, 2018
A square-planar nickel dithiolate complex as an efficient molecular catalyst for the electro- and photoreduction of
Geng-Geng Luo1, Yong-Heng Wang, Jiang-Hai Wang
1College of Materials Science and Engineering, Huaqiao University, Xiamen 361021, P. R. China. ggluo@hqu.edu.cn.
Abstract:
A square-planar nickel(ii) dithiolate complex is an active molecular catalyst for both photoreduction of protons from water with a turnover number (>1500) and electroreduction of protons from weakly acidic solutions with remarkable turnover frequencies (5575 s-1 at -1.92 V and 1441 s-1 at -1.61 V vs. SCE). DFT calculations provide in-depth insight into the catalytic cycle of the electrochemical reaction, suggesting that the sulfur atoms play crucial roles in proton exchange and hydrogen formation.
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