Issue 20, 2014

Photoreduction of CO2 to methanol with hexanuclear molybdenum [Mo6Br14]2− cluster units under visible light irradiation

Abstract

Octahedral molybdenum clusters were found to be efficient visible light homogeneous photocatalysts for the reduction of carbon dioxide (CO2) to methanol. Photoreduction was carried out by using 20 watt white cold LED flood light in dimethyl formamide/water or acetonitrile/water solutions containing triethylamine as a reductive quencher. Among the two cluster-based compounds, Cs2[Mo6Br14] exhibited higher photocatalytic efficiency and afforded higher yield of methanol than (TBA)2[Mo6Br14] (TBA = tetrabutylammonium). After 24 h illumination, the yield of methanol was 6679.45 and 5550.53 μmol g−1 cat. using Cs2[Mo6Br14] and (TBA)2[Mo6Br14] cluster compounds as photocatalysts, respectively.

Graphical abstract: Photoreduction of CO2 to methanol with hexanuclear molybdenum [Mo6Br14]2− cluster units under visible light irradiation

Supplementary files

Article information

Article type
Communication
Submitted
03 déc. 2013
Accepted
03 févr. 2014
First published
03 févr. 2014

RSC Adv., 2014,4, 10420-10423

Photoreduction of CO2 to methanol with hexanuclear molybdenum [Mo6Br14]2− cluster units under visible light irradiation

P. Kumar, S. Kumar, S. Cordier, S. Paofai, R. Boukherroub and S. L. Jain, RSC Adv., 2014, 4, 10420 DOI: 10.1039/C3RA47255H

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