Electrooxidation of alcohols catalyzed by amino alcohol ligated ruthenium complexes

Kristen R. Brownell, Charles C.L. Mccrory, Christopher E.D. Chidsey, Richard H. Perry, Richard N. Zare, Robert M. Waymouth

Research output: Contribution to journalArticlepeer-review


Ruthenium transfer hydrogenation catalysts physisorbed onto edge-plane graphite electrodes are active electrocatalysts for the oxidation of alcohols. Electrooxidation of CH3OH (1.23 M) in a buffered aqueous solution at pH 11.5 with [(η6-p-cymene)(η2-N,O-(1R,2S)-cis-1- amino-2-indanol)]RuIICl (2) on edge-plane graphite exhibits an onset current at 560 mV vs NHE. Koutecky-Levich analysis at 750 mV reveals a four-electron oxidation of methanol with a rate of 1.35 M-1 s -1. Mechanistic investigations by 1H NMR, cyclic voltammetry, and desorption electrospray ionization mass spectrometry indicate that the electroxidation of methanol to generate formate is mediated by surface-supported Ru-oxo complexes.

Original languageEnglish (US)
Pages (from-to)14299-14305
Number of pages7
JournalJournal of the American Chemical Society
Issue number38
StatePublished - Sep 25 2013
Externally publishedYes

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry


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