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


ABSTRACT: 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 (?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.

SUBMITTER: Tamaki Y 

PROVIDER: S-EPMC5947534 | biostudies-literature | 2015 Dec

REPOSITORIES: biostudies-literature

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Highly efficient, selective, and durable photocatalytic system for CO<sub>2</sub> reduction to formic acid.

Tamaki Yusuke Y   Koike Kazuhide K   Ishitani Osamu O  

Chemical science 20150929 12


We discovered an extremely suitable sacrificial electron donor, 1,3-dimethyl-2-(<i>o</i>-hydroxyphenyl)-2,3-dihydro-1<i>H</i>-benzo[<i>d</i>]imidazole, for the selective photocatalytic reduction of CO<sub>2</sub> to formic acid using a Ru(ii)-Ru(ii) supramolecular photocatalyst. The efficiency, durability, and rate of photocatalysis are significantly increased (<i>Φ</i><sub>HCOOH</sub> = 0.46, TON<sub>HCOOH</sub> = 2766, TOF<sub>HCOOH</sub> = 44.9 min<sup>-1</sup>) in comparison with those using  ...[more]

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