Mediated electrochemical reduction of CO/sub 2/. Preparation and comparison of an isoelectronic series of complexes
The preparation and characterization of complexes of the type (M(triphos)L)(BF/sub 4/)/sub 2/ are described (for M = Ni, L is P(OMe)/sub 3/ and PEt/sub 3/; for M = Pd, L is CH/sub 3/CN, P(OMe)/sub 3/, PEt/sub 3/, P(CH/sub 2/OH)/sub 3/, and PPh/sub 3/; for M = Pt, L is PEt/sub 3/; triphos is PhP(CH/sub 2/CH/sub 2/PPh/sub 2/)/sub 2/). On the basis of cyclic voltammetry and bulk electrolysis experiments, the Pd complexes are shown to catalyze the electrochemical reduction of CO/sub 2/ to CO in acidic acetonitrile solutions. The analogous Ni and Pt complexes are not catalysts for CO/sub 2/ reduction under the same conditions. Kinetic studies have been carried out on (Pd(triphos)(PEt/sub 3/))(BF/sub 4/)/sub 2/ and a mechanism for the reduction of CO/sub 2/ is proposed.
- Research Organization:
- Solar Energy Research Institute, Golden, CO
- OSTI ID:
- 7101109
- Journal Information:
- J. Am. Chem. Soc.; (United States), Journal Name: J. Am. Chem. Soc.; (United States) Vol. 109:1; ISSN JACSA
- Country of Publication:
- United States
- Language:
- English
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54 ENVIRONMENTAL SCIENCES
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON MONOXIDE
CARBON OXIDES
CATALYSIS
CATALYSTS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL PREPARATION
CHEMICAL PROPERTIES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHEMISTRY
COMPLEXES
DATA
ELECTROCHEMISTRY
ELECTROLYSIS
EXPERIMENTAL DATA
INFORMATION
KINETICS
LIGANDS
LYSIS
NICKEL COMPLEXES
NUMERICAL DATA
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PALLADIUM COMPLEXES
PERFORMANCE
PHOSPHORUS COMPLEXES
PLATINUM COMPLEXES
PRODUCTION
REACTION KINETICS
REDUCTION
SYNTHESIS
TRANSITION ELEMENT COMPLEXES
VOLTAMETRY