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DPG

Dresden 2009 – scientific programme

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O: Fachverband Oberflächenphysik

O 14: Organic, polymeric, biomolecular films – also with absorbates I

O 14.1: Talk

Monday, March 23, 2009, 15:00–15:15, SCH A316

Reactive Adsorption effects on ordered Bis-terpyridine networks — •Thomas Waldmann1, Daniela Künzel2, Achim Breitruck1, Harry E. Hoster1, Axel Groß2, and R. Jürgen Behm11Institute of Surface Chemistry and Catalysis, Ulm University, D-89069 Ulm, Germany — 2Institute of Theoretical Chemistry, Ulm University, D-89069 Ulm, Germany

We tested the influence of H2, O2 and CO interaction with ordered networks of a Bis-terpyridine derivative (2,4’-BTP)[1,2] on Au(100), Ag(111) and Graphite (HOPG) surfaces using Video-STM (1 frame/s). Under UHV conditions[3,4] as well as in solution[1,2], the molecules form ordered networks on the single crystalline surfaces. Upon interaction with reactive gases, new structures are formed. The STM images are compared with DFT and MP2 calculations of the molecules in the gas phase.
U.Ziener et al., Chem.Eur.J. 8, 951, 2002
C. Meier et al., J.Phys.Chem.B 109, 21015, 2005
H.E. Hoster et al., Langmuir 23, 11570, 2007
M.Roos et al., Phys. Chem. Chem. Phys. 9, 5672, 2007

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