Toward photocatalytic CO2 reduction: Synthesis and photophysical characterization of (4,4′-(X) 2-2,2′-bipyridine)ReI(CO)3L complexes

Mark D. Doherty; David C. Grills; Etsuko Fujita

Toward photocatalytic CO₂ reduction: Synthesis and photophysical characterization of (4,4′-(X) 2-2,2′-bipyridine)ReI(CO)₃L complexes

Mark D. Doherty, David C. Grills, Etsuko Fujita

Brookhaven National Laboratory

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Rhenium(I) bipyridine complexes have been shown to be active photo- and electrocatalysts for the reduction of CO₂ to CO. Although several CO₂ containing intermediates have been proposed in these catalytic cycles, detailed photophysical and photochemical information is lacking for many of them, in particular Re-C₁ species (C₁ = COOH, CH₂OH, CH₃, etc.). We report here the synthesis of several potential intermediates in the Re(I) catalyzed reduction of CO₂ using different bipyridine derivatives, as well as the spectroscopic characterization of their ground and excited states in conventional solvents and supercritical CO₂.

Original language	English
Title of host publication	American Chemical Society - 236th National Meeting and Exposition, Abstracts of Scientific Papers
Publication status	Published - Dec 1 2008
Event	236th National Meeting and Exposition of the American Chemical Society, ACS 2008 - Philadelpia, PA, United States Duration: Aug 17 2008 → Aug 21 2008

Publication series

Name	ACS National Meeting Book of Abstracts
ISSN (Print)	0065-7727

Other

Other	236th National Meeting and Exposition of the American Chemical Society, ACS 2008
Country	United States
City	Philadelpia, PA
Period	8/17/08 → 8/21/08

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)

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Doherty, M. D., Grills, D. C., & Fujita, E. (2008). Toward photocatalytic CO₂ reduction: Synthesis and photophysical characterization of (4,4′-(X) 2-2,2′-bipyridine)ReI(CO)₃L complexes. In American Chemical Society - 236th National Meeting and Exposition, Abstracts of Scientific Papers (ACS National Meeting Book of Abstracts).

Toward photocatalytic CO₂ reduction : Synthesis and photophysical characterization of (4,4′-(X) 2-2,2′-bipyridine)ReI(CO)₃L complexes. / Doherty, Mark D.; Grills, David C.; Fujita, Etsuko.

American Chemical Society - 236th National Meeting and Exposition, Abstracts of Scientific Papers. 2008. (ACS National Meeting Book of Abstracts).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Doherty, MD, Grills, DC & Fujita, E 2008, Toward photocatalytic CO₂ reduction: Synthesis and photophysical characterization of (4,4′-(X) 2-2,2′-bipyridine)ReI(CO)₃L complexes. in American Chemical Society - 236th National Meeting and Exposition, Abstracts of Scientific Papers. ACS National Meeting Book of Abstracts, 236th National Meeting and Exposition of the American Chemical Society, ACS 2008, Philadelpia, PA, United States, 8/17/08.

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AB - Rhenium(I) bipyridine complexes have been shown to be active photo- and electrocatalysts for the reduction of CO2 to CO. Although several CO2 containing intermediates have been proposed in these catalytic cycles, detailed photophysical and photochemical information is lacking for many of them, in particular Re-C1 species (C1 = COOH, CH2OH, CH3, etc.). We report here the synthesis of several potential intermediates in the Re(I) catalyzed reduction of CO2 using different bipyridine derivatives, as well as the spectroscopic characterization of their ground and excited states in conventional solvents and supercritical CO2.

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