Dresden 2006 – scientific programme
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CPP: Chemische Physik und Polymerphysik
CPP 27: POSTER Polymer Physics and Materials
CPP 27.18: Poster
Thursday, March 30, 2006, 17:00–19:00, P2
Electrostatic field induced patterning: a method for controlling the anisotropy of films of polar organic molecules — •Sven Verpoort1, Ansgar Draude1, Rafael Meinhardt1, Hilmar Franke1, and Roger A. Lessard2 — 1Fachbereich Physik / Angewandte Physik, Universität Duisburg-Essen, Lotharstr. 1, D-47048 Duisburg, Germany — 2COPL, department de physique, génie physique et optique, Université Laval, Québec, Canada G1K7P4
The presence of electrostatic charges on the surface of electrically isolating substrates like glass or polymers is able to control the orientation of vapor deposited polar organic molecules.
Different methods for the fabrication of charge patterns have been used with inorganic glass: friction, Corona, contact charging, e-beam charging...
Optically anisotropic layers of the azo dye DR1 have been prepared. The anisotropy is detectable by a change in the optical transparency and the pattern reflects the previously recorded charge distribution.