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Proceedings Paper

Bifunctional cyclosiloxanes with photorefractive properties
Author(s): Christoph Hohle; Peter Strohriegl; Uwe Hofmann; Dietrich Haarer
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Paper Abstract

A series of novel bifunctional cyclosiloxanes with pendant photoconducting and nonlinear-optical moieties was synthesized in a two step procedure. The variation of the spacer length between the siloxane ring and the functional carbazole and azo moieties leads to glass transition temperatures between 33 degrees C and 61 degrees C. These well defined low-molar mass compounds are characterized with regard to their chemical, thermal and electrooptical properties. Compared to commonly used guest-host systems crystallization of the chromophore dopants is diminished due to the covalent bonding of the azo-dye to the cyclosiloxane backbone.

Paper Details

Date Published: 11 October 1999
PDF: 7 pages
Proc. SPIE 3796, Organic Nonlinear Optical Materials, (11 October 1999); doi: 10.1117/12.368295
Show Author Affiliations
Christoph Hohle, Univ. Bayreuth (Germany)
Peter Strohriegl, Univ. Bayreuth (Germany)
Uwe Hofmann, Univ. Bayreuth (Germany)
Dietrich Haarer, Univ. Bayreuth (Germany)

Published in SPIE Proceedings Vol. 3796:
Organic Nonlinear Optical Materials
Manfred Eich; Manfred Eich; Mark G. Kuzyk, Editor(s)

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