Bifunctional cyclosiloxanes with photorefractive properties

Christoph Hohle; Peter Strohriegl; Uwe Hofmann; Dietrich Haarer

doi:10.1117/12.368295

11 October 1999 Bifunctional cyclosiloxanes with photorefractive properties

Christoph Hohle, Peter Strohriegl, Uwe Hofmann, Dietrich Haarer

Proceedings Volume 3796, Organic Nonlinear Optical Materials; (1999) https://doi.org/10.1117/12.368295
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

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.

Citation Download Citation

Christoph Hohle, Peter Strohriegl, Uwe Hofmann, and Dietrich Haarer "Bifunctional cyclosiloxanes with photorefractive properties", Proc. SPIE 3796, Organic Nonlinear Optical Materials, (11 October 1999); https://doi.org/10.1117/12.368295

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