Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 29, Pages 11246-11253Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta01494d
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Funding
- CSIR, New Delhi
- DST, New Delhi
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A ruthenium trinuclear polyazine complex was synthesized and subsequently immobilized through complexation to a graphene oxide support containing phenanthroline ligands (GO-phen). The developed photocatalyst was used for the photocatalytic reduction of CO2 to methanol, using a 20 watt white cold LED flood light, in a dimethyl formamide-water mixture containing triethylamine as a reductive quencher. After 48 h illumination, the yield of methanol was found to be 3977.57 +/- 5.60 mu mol g(cat)(-1). The developed photocatalyst exhibited a higher photocatalytic activity than graphene oxide, which provided a yield of 2201.40 +/- 8.76 mu mol g(cat)(-1). After the reaction, the catalyst was easily recovered and reused for four subsequent runs without a significant loss of catalytic activity and no leaching of the metal/ligand was detected during the reaction.
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