Dresden 2011 – scientific programme
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MO: Fachverband Molekülphysik
MO 32: Poster: Experimental Techniques
MO 32.4: Poster
Thursday, March 17, 2011, 16:00–18:00, P1
IR - Transition Moment Orientation Analysis and its application to thin polymer films — •Wilhelm Kossack1, Periklis Papadopoulos2, and Friedrich Kremer1 — 1Universität Leipzig, Institut für experimentelle Physik 1, Abteilung Molekülphysik, Leipzig, Germany — 2Max-Planck-Institut für Polymerforschung, Mainz, Germany
Infrared Transition Moment Orientation Analysis (IR-TMOA) is a spectroscopic technique, that reveals a complete characterization of the quadratic averaged orientation of transition dipole moments in any IR-translucent material. Since it is based on the polarization and inclination dependence of the recorded transmission spectra, it enables one to measure the absorption coefficient matrix independently for different molecular moieties and, thus, their orientation distribution [1].To study surface interactions and confinement effects IR-TMOA is applied to thin, spin coated polymer films on various substrates. Results for different polymer films will be discussed and compared to the ones of other methods.
[1] Wilhelm Kossack, Periklis Papadopoulos, Patrick Heinze, Heino Finkelmann, Friedrich Kremer, DOI: 10.1021/ma101121f, Macromololecules 2010