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Regensburg 2013 – wissenschaftliches Programm

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O: Fachverband Oberflächenphysik

O 91: Graphene: Preparation and Characterization II (jointly with HL, MA and TT)

O 91.2: Vortrag

Freitag, 15. März 2013, 10:45–11:00, H17

Fabrication of laterally structured graphene/carbon nanomembrane hybrids — •Andreas Winter1, Stefan Wundrack2, Rainer Stosch2, and Andrey Turchanin11Universität Bielefeld, 33615 Bielefeld — 2Physikalisch-Technische Bundesanstalt, 38116 Braunschweig

Laterally structured free-standing micro- and nanostructures of single-layer graphene (SLG) embedded into dielectric sheets with a thickness comparable to graphene are of great interest for applications in electronic or optoelectronic devices. However, their fabrication is not a trivial task at present. Here, we demonstrate how such hybrids can be engineered using electron-irradiation-induced crosslinking of graphene micro-/nanostructures with carbon nanomembranes (CNMs). CNMs are a dielectric 2D carbon material with the thickness of about 1 nm consisting of cross-linked randomly oriented benzene rings. We show scalable production of well-defined laterally patterned CNM-SLG hybrids of various architectures and characterize their structural, chemical and electronic quality by complementary spectroscopic and microscopic techniques including helium ion microscopy and Raman spectroscopy. Application areas of the generated hybrids will be discussed.

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