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Dresden 2014 – scientific programme

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DS: Fachverband Dünne Schichten

DS 18: Organic Thin Films I

DS 18.3: Talk

Wednesday, April 2, 2014, 10:00–10:15, CHE 91

Lead-phthalocyanine on graphite(0001): quantitative structural analysis via low-energy electron diffraction — •Matthias Meissner1, Roman Forker1, Torsten Fritz1, Yu Watanabe2, Noriaki Kawakita2, Takashi Yamada2, Hiroyuki S. Kato2, and Toshiaki Munakata21Institute of Solid State Physics, Friedrich-Schiller University, Max-Wien-Platz 1, Jena 07743, Germany — 2Department of Chemistry, Graduate School of Science, Osaka University, Osaka 560-0043, Japan

Thin layers of organic molecules have attracted a wide interest since the dawn of organic electronics because the performances of those devices critically depend on interface properties. The system of lead-phthalocyanine (PbPc) on graphite has been studied intensively with scanning tunneling microscopy (STM) [1], photoemission electron microscopy PEEM [2], and two photon photoemission spectroscopy (2PPE) [3]. It was found that the electronic properties of the interface are coverage dependent [2]. Thus, for a comprehensive understanding of the results the structure of the PbPc layer is of interest. Therefore, a quantitative analysis of LEED measurements was carried out under varying conditions like temperature and coverage graphite single crystals and will be compared to STM, PEEM, and 2PPE results.
R. Yamamoto et al., Phys. Chem. Chem. Phys. 14, 9601 (2012).
I. Yamamoto et al., Surf. Sci. 602, 2232 (2008).
I. Yamamoto et al., Phys. Rev. B 77, 115404 (2008).

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