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Investigation of azobenzene side group orientation in polymer surface relief gratings by means of photoelectron spectroscopy
- The molecular orientation of azobenzene side groups in polymer films before (nonpatterned) and after (patterned) development of a surface relief grating has been investigated by photoelectron spectroscopy using synchrotron radiation. The photoemission spectra obtained for 60-100 eV photons of a patterned and a nonpatterned surface are similar when the polarization vector of the synchrotron light is parallel to the grating vector. However, for perpendicular excitation, considerable spectral intensity differences can be observed for 9-14 eV electron binding energy. The observed changes are attributed to the formation of well-oriented azobenzenes at the surface. (C) 2004 American Institute of Physics
Verfasserangaben: | Oliver Henneberg, Thomas Geue, Ullrich Pietsch, Bernd Winter |
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URL: | http://scitation.aip.org/journals/doc/APPLAB-ft/vol_84/iss_9/1561_1.html |
Publikationstyp: | Wissenschaftlicher Artikel |
Sprache: | Englisch |
Jahr der Erstveröffentlichung: | 2004 |
Erscheinungsjahr: | 2004 |
Datum der Freischaltung: | 24.03.2017 |
Quelle: | Applied physics letters. - 84 (2004), 9, S. 1561 - 1563 |
Organisationseinheiten: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie |
Peer Review: | Referiert |
Name der Einrichtung zum Zeitpunkt der Publikation: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik |