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Regensburg 2016 – scientific programme

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O: Fachverband Oberflächenphysik

O 49: Metal Substrates: Structure, Adsorption and Growth

O 49.6: Poster

Tuesday, March 8, 2016, 18:15–20:30, Poster E

A Giant Molecular Spoked Wheel — •Stefan-Sven Jester, Robert May, and Sigurd Höger — Kekulé-Institut für Organische Chemie und Biochemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Str. 1, 53121 Bonn

The modular synthesis of a defined, rigid molecular spoked wheel structure with the sum formula C1878H2682 and a diameter of about 12 nm is described. The attached 96 dodecyl side chains provide the solubility of the 25260 Da compound in common organic solvents. At the octanoic acid/highly oriented pyrolytic graphite interface, the molecules self-assemble to form an ordered 2D lattice, which is investigated by scanning tunneling microscopy, displaying their structure with submolecular resolution. [1] R. May, S.-S. Jester, S. Höger J. Am. Chem. Soc. 2014, 136, 16732-16735.

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