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Regensburg 2016 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 18: Molecular Electronics and Photonics

CPP 18.11: Vortrag

Dienstag, 8. März 2016, 12:15–12:30, H42

Optical and structural properties of electrochemically prepared porphyrin thin films — •Kristina Lovrek1, 2, Karsten Hinrichs2, Klaus Rademann3, Felix Rösicke1, 4, and Jörg Rappich41Humboldt-Universität zu Berlin, School of Analytical Sciences Adlershof (SALSA), Unter den Linden 6, 10099 Berlin — 2Leibnitz-Institut für Analytische Wissenschaften - ISAS - e.V., ISAS Berlin, Schwartzschildstrasse 8, 12489 Berlin — 3Humboldt-Universität zu Berlin, Department of Chemistry, Brook-Taylor-Strasse 2, 12489 Berlin — 4Helmholtz-Zentrum Berlin für Materialien und Energie GmbH Inst. Silizium-Photovoltaik, Kekuléstasse. 5, D-12489 Berlin

Properties of thin porphyrin films on semiconductor surface for use in electronic devices are investigated. Thin porphyrin films were prepared via three different synthetic routes. Different optical techniques are used for investigation of their optical and structural properties. Atomic force microscopy, UV/vis and infrared in-situ ellipsometry are used to obtain information on their optical constants, layer thickness, interactions between molecules, mechanism of reaction and structural changes. Spectral information is obtained with IR reflection spectroscopy and IR ellipsometry. Vibrational bands are analyzed with respect to the chemistry and structure.

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