Visible-Light-Driven Photocatalytic CO2 Reduction by a Ni(II) Complex Bearing a Bioinspired Tetradentate Ligand for Selective CO Production

A Ni­(II) complex bearing an S2N2-type tetradentate ligand inspired by the active site of carbon monoxide dehydrogenase was found to selectively catalyze CO2 reduction to produce CO in a photocatalytic system using [Ru­(bpy)3]2+ (bpy = 2,2′-bipyridine) as a photosensitizer and 1,3-dimethyl-2-phenyl-...

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Published inJournal of the American Chemical Society Vol. 139; no. 19; pp. 6538 - 6541
Main Authors Hong, Dachao, Tsukakoshi, Yuto, Kotani, Hiroaki, Ishizuka, Tomoya, Kojima, Takahiko
Format Journal Article
LanguageEnglish
Published American Chemical Society 17.05.2017
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Summary:A Ni­(II) complex bearing an S2N2-type tetradentate ligand inspired by the active site of carbon monoxide dehydrogenase was found to selectively catalyze CO2 reduction to produce CO in a photocatalytic system using [Ru­(bpy)3]2+ (bpy = 2,2′-bipyridine) as a photosensitizer and 1,3-dimethyl-2-phenyl-2,3-dihydro-1H-benzo­[d]­imidazole (BIH) as an electron donor. The Ni­(II) complex shows a high turnover number over 700 with high CO selectivity of >99% and quantum yield of 1.42% in the photocatalytic system.
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ISSN:0002-7863
1520-5126
DOI:10.1021/jacs.7b01956