Electroreduction of carbon dioxide catalyzed by iron-sulfur clusters (Fe/sub 4/S/sub 4/(SR)/sub 4/)/sup 2 -/
- Saitama Inst. of Tech., Okabe, Japan
The use of the tetranuclear iron-sulfur cluster (Fe/sub 4/S/sub 4/(SR))/sup 2 -/ (where R = CH/sub 2/C/sub 6/H/sub 5/ or C/sub 6/H/sub 5/) for the catalysis of the electroreduction of CO/sub 2/ in nonaqueous dimethylformamide (DMF) solution is reported. Controlled-potential electrolyses were performed in a CO/sub 2/-saturated 0.1M tetrabutylammonium tetrafluoroborate/DMF solution on Hg pool cathode referred to SCE at room temperature. Since the product current efficiency of 50% corresponded to 15 electrons per catalyst molecule, the reduction evidentally preceeded catalytically. The view that CO/sub 2//sup -/ would be generated through the electron transfer from the reduced clusters to CO/sub 2/ in the bulk solution, not on the electrode, and consequently undergo the protoniation rather than the self-coupling was supported by the fact that formate was obtained preferentially in the presence of the cluster. (BLM)
- OSTI ID:
- 6449968
- Journal Information:
- J. Am. Chem. Soc.; (United States), Vol. 104:24
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
AROMATICS
CATALYTIC EFFECTS
CARBON DIOXIDE
REDUCTION
IRON COMPLEXES
ORGANOMETALLIC COMPOUNDS
SULFUR COMPOUNDS
AMMONIUM COMPOUNDS
CATALYSIS
ELECTROLYSIS
ELECTRON TRANSFER
EXPERIMENTAL DATA
FLUOROBORATES
FORMAMIDE
AMIDES
BORON COMPOUNDS
CARBON COMPOUNDS
CARBON OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
COMPLEXES
DATA
FLUORINE COMPOUNDS
HALOGEN COMPOUNDS
INFORMATION
LYSIS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
TRANSITION ELEMENT COMPLEXES
400201* - Chemical & Physicochemical Properties