A study of the mechanism for the electrocatalysis of carbon dioxide reduction by nickel and cobalt square planar complexes in solution

Cyclic voltammetry and controlled potential electrolysis have been used to investigate the mechanism by which some square planar complexes of nickel and cobalt with macrocyclic ligands catalyse the cathodic reduction of carbon dioxide in acetonitrile + water mixtures

David J. Pearce

2002

Scholarcy highlights

  • Cyclic voltammetry and controlled potential electrolysis have been used to investigate the mechanism by which some square planar complexes of nickel and cobalt with macrocyclic ligands catalyse the cathodic reduction of carbon dioxide in acetonitrile + water mixtures
  • The maximum current density which has been achieved for these catalysed reductions is less encouraging, the rate of the catalytic cycle is enhanced by the presence of water
  • The influence of added proton donor, the choice of base electrolyte cation and the presence of a heterocyclic compound able to act as a ligand to the octahedral sites of the complexes have been investigated

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