Dresden 2014 – scientific programme
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O: Fachverband Oberflächenphysik
O 36: Posters: Bio/organic Molecules on Surfaces, Graphene, Solid/liquid interfaces, Metal Substrates, Electronic Structure Theory
O 36.49: Poster
Tuesday, April 1, 2014, 18:30–22:00, P1
Hybrid heterostructures of zero-dimensional and two-dimensional carbon — Zhikun Zheng1,2, Xianghui Zhang1, •Christof Neumann1, Andreas Winter1, Henning Vieker1, Wei Liu3, Marga Lensen2, Armin Gölzhäuser1, and Andrey Turchanin1 — 1Faculty of Physics, University of Bielefeld, 33615 Bielefeld — 2Department of Chemistry, Technical University of Berlin, 10623 Berlin — 3Physical Chemistry and Electrochemistry, Technical University of Dresden, 01062 Dresden
Van der Waals heterostructures of free-standing two-dimensional (2D) materials open many avenues in the experimental physics and materials science of nanomaterials as they reveal unusual properties and phenomena. Here we present the fabrication of novel hybrid 0D/2D carbon-based heterostructures consisting of ~1 nm thick bifacial Janus Nanomembranes(JNMs) selectively functionalized with fullerenes (C60) or gold nanoparticles (AuNP) on one or both faces. We characterize the physical and chemical properties of the JNM/(C60-JNM)n stacks with n=1, 2, 3 and 4 and individual C60-JNM-AuNP sheets in their supported and free-standing states by optical microscopy, helium ion microscopy (HIM), X-ray photoelectron spectroscopy (XPS) as well as by bulge tests with an atomic force microscope (AFM). We discuss these results and the possible application areas of the engineered hybrid heterostructures in nanotechnology.