Photocatalytic reduction of CO2 to CO, and its study in the production of an organic acid

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Issue Date
2013-04-07
Authors
Rillema, D. Paul
Oweggi, Eric
Komreddy, Venugopal R.
Advisor
Citation

Rillema, D. Paul; Oweggi, Eric Odhiambo; Komreddy, Venugopal Reddy. 2013. Photocatalytic reduction of CO2 to CO, and its study in the production of an organic acid. Abstracts of Papers of the American Chemical Society, vol. 245, Meeting Abstract: 32-IEC

Abstract

The quantum efficiency to reduce of CO2 to CO photocatalytically using visible light will be described. Irradiation of saturated CO2 solutions of dimethylformide:triethanolamine (DMF:TEOA) containing two different dyes are compared. The behavior of the dye Re(dcbpy)(CO)3X (X = Cl-, NCS-,dcbpy = 4,4'-dicarboxyl-2,2'-bipyridine) attached to TiO2 was examined with the goal of simultaneously producing electricity and reduction of CO2 to CO is compared to the parent catalyst, Re(bpy)(CO)3X, where bpy is 2,2'-bipyridine. The CO produced in the reaction was tracked using gas chromatograph fitted with a molecular sieves column. Conversion of CO2 to acrylic acid by way of a molybdenum catalyst will also be shown as a possible route for CO2 up-conversion.

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Presented at the 245th ACS National Meeting & Exposition held in New Orleans, Louisiana on April 7-11, 2013.
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