Abstract
AbstractGlucose electrooxidation at a glassy carbon rotating disk electrode in an alkaline bimetallic suspension of Au and Pt nanoparticles is studied. The voltammetric current density is approximately fourfold larger than measured for Pt nanoparticles in suspension and three orders of magnitude larger than observed for a suspension of Au nanoparticles. The features of these voltammograms are classically different from voltammograms obtained for suspensions of Au or Pt nanoparticles under the same conditions. The most significant voltammetric signal arises mainly from the electrocatalytic oxidation of glucose at nanoparticles adsorbed on the glassy carbon electrode.
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