Dresden 2009 – scientific programme
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DS: Fachverband Dünne Schichten
DS 16: Poster I
DS 16.9: Poster
Tuesday, March 24, 2009, 09:30–12:30, P5
Electronic and structural properties of graphene-based transparent and conductive thin film electrodes — •Antje Vollmer1, Xinliang Feng2, Xuan Wang2, Linjie Zhi2, Klaus Muellen2, Juergen P. Rabe3, and Norbert Koch3 — 1HZB-BESSY II, Berlin, Germany — 2Max Planck Institute for Polymer Research, Mainz, Germany — 3Institut f. Physik, Humboldt-Universität zu Berlin, Berlin ,Germany
We demonstrate that graphene-based transparent and conductive thin films (GTCFs), fabricated by thermal reduction of graphite oxide, have very similar electronic and structural properties as highly oriented pyrolytic graphite (HOPG). Electron spectroscopy results suggest that the GTCFs are also semi-metallic and that the individual graphene sheets of the film are predominantly oriented parallel to the substrate plane. These films may therefore be considered as a technologically relevant analogue to HOPG electrodes, which cannot be easily processed into thin films.