SKM 2021 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 8: Poster Session III

CPP 8.24: Poster

Mittwoch, 29. September 2021, 17:30–19:30, P

Real-time observations of alkali metal doped 6-Phenacene films — •Matthias Zwadlo1, Jakub Hagara2, Giuliano Duva1, Jan Hagenlocher1, Alexander Gerlach1, Martin Hodas1, Alexander Hinderhofer1, Peter Siffalovic2, and Frank Schreiber11Institut für Angewandte Physik, Universität Tübingen, Germany — 2Institute of Physics, Slovak Academy of Sciences Bratislava, Slovakia

The characterization of growth and structure formation in molecular und hybrid e.g. doped systems is an important topic in fundamental organic semiconductor research. In order to study and influence this process different real-time methods have to be used [1]. The growth and structure formation of pure 6-Phenacene as well as the effects of potassium, caesium and rubidium doping were investigated. Thin films of pure 6-Phenacene have been grown in ultra-high vacuum (UHV) and investigated with x-ray, AFM and optical methods. Furthermore, in-situ GIWAXS measurements were performed at PETRA 3 P03. Results on 6-Phenacene as well as preliminary doping results have been published [2]. Doping shows small distortions in crystal structure as well as optical spectra which are yet under investigation and will allow us to get a better understanding on the structural behavior and growth process in theory and experiment.

[1] Hosokai, T., et al., Appl. Phy. Lett. , 97(6), 9 (2010) doi:10.1063/1.3478450

[2] Zwadlo, M., et al., Adv. Optical Mater. (2021), 9, 2002193. doi:/10.1002/adom.202002193

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