Nitrogen-based catalysts for the electrochemical reduction of CO 2 to CO

Claire E. Tornow, Michael R. Thorson, Sichao Ma, Andrew A. Gewirth, Paul J.A. Kenis

Research output: Contribution to journalArticlepeer-review


The synthesis and application of carbon-supported, nitrogen-based organometallic silver catalysts for the reduction of CO2 is studied using an electrochemical flow reactor. Their performance toward the selective formation of CO is similar to the performance achieved when using Ag as the catalyst, but comparatively at much lower silver loading. Faradaic efficiencies of the organometallic catalyst are higher than 90%, which are comparable to those of Ag. Furthermore, with the addition of an amine ligand to Ag/C, the partial current density for CO increases significantly, suggesting a possible co-catalyst mechanism. Additional improvements in activity and selectivity may be achieved as greater insight is obtained on the mechanism of CO2 reduction and on how these complexes assemble on the carbon support.

Original languageEnglish (US)
Pages (from-to)19520-19523
Number of pages4
JournalJournal of the American Chemical Society
Issue number48
StatePublished - Dec 5 2012

ASJC Scopus subject areas

  • Catalysis
  • General Chemistry
  • Biochemistry
  • Colloid and Surface Chemistry


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