Highly efficient, selective, and durable photocatalytic system for CO2 reduction to formic acid

We discovered an extremely suitable sacrificial electron donor, 1,3-dimethyl-2-(o-hydroxyphenyl)-2,3-dihydro-1H-benzo[d]imidazole, for the selective photocatalytic reduction of CO2 to formic acid using a Ru(ii)-Ru(ii) supramolecular photocatalyst. The efficiency, durability, and rate of photocatalys...

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Veröffentlicht in:Chemical science (Cambridge) 2015-01, Vol.6 (12), p.7213-7221
Hauptverfasser: Tamaki, Yusuke, Koike, Kazuhide, Ishitani, Osamu
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Sprache:eng
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Zusammenfassung:We discovered an extremely suitable sacrificial electron donor, 1,3-dimethyl-2-(o-hydroxyphenyl)-2,3-dihydro-1H-benzo[d]imidazole, for the selective photocatalytic reduction of CO2 to formic acid using a Ru(ii)-Ru(ii) supramolecular photocatalyst. The efficiency, durability, and rate of photocatalysis are significantly increased ( Phi HCOOH = 0.46, TONHCOOH = 2766, TOFHCOOH = 44.9 min-1) in comparison with those using 1,3-dimethyl-2-phenyl-2,3-dihydro-1H-benzo[d]imidazole or 1-benzyl-1,4-dihydronicotinamide.
ISSN:2041-6520
2041-6539
DOI:10.1039/c5sc02018b