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Berlin 2015 – scientific programme

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O: Fachverband Oberflächenphysik

O 41: Inorganic/Organic Interfaces

O 41.11: Poster

Tuesday, March 17, 2015, 18:15–21:00, Poster B

Investigation of the growth of terephthalic and benzoic acids on Au(111) and oxidized Aluminum — •Marcel Marschewski1, Harun Tas2, Oliver Höfft3, Wolfgang Maus-Friedrichs1, and Andreas Schmidt21Institut für Energieforschung und Physikalische Technologien, Technische Universität Clausthal, Leibnizstr. 4, 38678 Clausthal-Zellerfeld, Germany — 2Institut für Organische Chemie, Technische Universität Clausthal, Leibnizstr. 6, 38678 Clausthal-Zellerfeld, Germany — 3Institut für Elektrochemie, Technische Universität Clausthal, Arnold-Sommerfeld-Str. 6, 38678 Clausthal-Zellerfeld, Germany

The adsorption behavior of benzoic acids on metal interfaces is of high interest for metal-substrat interactions for catalysis and the construction of metal-organic frameworks. Here we present our results on the growth of thin films of 4-R-benzoic acid (R stands for hydroxyl-, methoxy-, propoxy-, pentoxy- and decyloxy-chains) and terephthalic acid (TPA) on Au(111) and oxidized aluminum. The adsorption was studied with metastable induced electron spectroscopy (MIES) and ultraviolet photoelectron spectroscopy (UPS(HeI)). For the monolayer on Au(111) we find hints for a flat orientation of the molecules. For the growth on an oxidized aluminum foil we suppose a more upstanding arrangement. The TPA molecules show a similar growth behavior for both surfaces.

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