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O: Fachverband Oberflächenphysik

O 49: Metal Substrates: Structure, Adsorption and Growth

O 49.7: Poster

Dienstag, 8. März 2016, 18:15–20:30, Poster E

Nanopatterning by rod-bridge-rod-shaped molecules — •Stefan-Sven Jester, Melissa Hündgen, Katharina Anna Weis, and Sigurd Höger — Kekulé-Institut für Organische Chemie und Biochemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Str. 1, 53121 Bonn

The supramolecular self-assembly of arylene-alkynylenes with a rod-bridge-rod geometry is investigated at the solution/solid interface. Scanning tunneling microscopy provides a submolecularly resolved insight into the 2D nanostructures that are formed on the graphite surface, which acts as a template. We focus on how the nanopatterns depend on their molecular building blocks. In particular, we investigate how shape and shape-persistence of the backbones, their alkyl/alkoxy side-chain periphery and the rod end groups influence the pattern structures.