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Issue 1, 2016
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Highly efficient visible-light-driven CO2 reduction to CO using a Ru(II)–Re(I) supramolecular photocatalyst in an aqueous solution

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Abstract

In an aqueous solution, [Ru(dmb)2–(BL)–Re(CO)3Cl]2+ (BL = bridging ligand) most efficiently photocatalyzed the reduction of CO2 to CO under visible-light irradiation using 2-(1,3-dimethyl-2,3-dihydro-1H-benzimidazol-2-yl)benzoic acid (BI(CO2H)H) as a water-soluble sacrificial reductant (ΦCO = 13%, TON = 130). Since BI(CO2H)H could efficiently produce one-electron-reduced species of [Ru(diimine)3]2+-type complexes under visible-light irradiation even in an aqueous solution, that is one of the main reasons why the photocatalytic system induced the highly efficient CO2 reduction. This result strongly indicates that BI(CO2H)H should be a useful reductant for evaluating the real abilities of various photocatalytic systems in water as well.

Graphical abstract: Highly efficient visible-light-driven CO2 reduction to CO using a Ru(ii)–Re(i) supramolecular photocatalyst in an aqueous solution

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Publication details

The article was received on 26 Jul 2015, accepted on 27 Aug 2015 and first published on 28 Aug 2015


Article type: Communication
DOI: 10.1039/C5GC01720C
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Citation: Green Chem., 2016,18, 139-143
  • Open access: Creative Commons BY-NC license
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    Highly efficient visible-light-driven CO2 reduction to CO using a Ru(II)–Re(I) supramolecular photocatalyst in an aqueous solution

    A. Nakada, K. Koike, K. Maeda and O. Ishitani, Green Chem., 2016, 18, 139
    DOI: 10.1039/C5GC01720C

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