期刊
CHEMICAL COMMUNICATIONS
卷 59, 期 72, 页码 10777-10780出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d3cc03104g
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A newly designed copper complex (1) was synthesized and tested for electrocatalytic hydrogen evolution reaction (HER). In acetonitrile, 1 showed higher efficiency than Cu 5,15-bis(pentafluorophenyl)-10,20-diphenylporphyrin (2) by shifting the catalytic wave to the anodic direction by 190 mV. In aqueous media, 1 also outperformed 2 by achieving higher current densities under smaller overpotentials. This enhancement was attributed to the aromatic and strong electron-withdrawing properties of o-carborane groups.
A newly designed copper complex of 5,15-bis(pentafluorophenyl)-10,20-bis(o-carborane)porphyrin (1) was synthesized and tested for the electrocatalytic hydrogen evolution reaction (HER). In acetonitrile, 1 was much more efficient than Cu 5,15-bis(pentafluorophenyl)-10,20-diphenylporphyrin (2) for electrocatalytic HER by shifting the catalytic wave to the anodic direction by 190 mV. In aqueous media, 1 also outperformed 2 by achieving higher current densities under smaller overpotentials. This enhancement was attributed to the aromatic and the strong electron-withdrawing properties of o-carborane groups. This work is significant to address the crucial effects of meso-(o-carborane) substituents of metal porphyrins on boosting the electrocatalytic HER.
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