Electro-Oxidation of Glucose in Alkaline Media on Graphene Sheets Decorated with Gold Nanoparticles

Marek Wojnicki, Magdalena Luty-Błocho, Iwona Dobosz, Justyna Grzonka, Krzysztof Pacławski, Krzysztof J. Kurzydłowski, Krzysztof Fitzner

Department of Physical Chemistry and Metallurgy of Non-Ferrous Metals, Faculty of Non-Ferrous Metals, AGH University of Science and Technology, Krakow, Poland.
Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw, Poland.
Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw, Poland..

DOI: 10.4236/msa.2013.42019                

Abstract

In this study the catalytic properties of gold nanoparticles in electro-oxidation process of glucose, were investigated, taking into account, an influence of catalyst composition. Graphene oxide was applied and for electro-oxidation studies of glucose, cyclic voltamperometry was used. It was found that an application of graphene oxide sheets during catalyst synthesis have an influence on gold nanoparticles (AuNPs) size and size distribution. It was confirmed that the application of composite catalyst consisting of graphane-AuNPs significantly changes electro-oxidation of glucose shifting the potential of oxidation to higher positive values and increasing oxidation current.

Keywords

Glucose Oxidation; Gold Nanoparticles; Graphene Oxide; Mocroflow Reactor; Microreactor

Conflicts of Interest

The authors declare no conflicts of interest.

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