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Proceedings Paper

Influence of silicon on phase behavior of low-molecular liquid crystals
Author(s): J. Risse; A. Jacobi; Wolfgang Weissflog; D. Lose; S. Diele
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Paper Abstract

Low-molecular liquid crystals containing silicon were synthesized. Concerning the purpose of the silicon tow aspects are of interest. Firstly, short siloxane segments are terminally attached to the mesogens which have a rod- like shape or a wedge-like one. This allows us to study the effect of opposite forces, especially of steric interaction and separation tendency, on the mesophase behavior. For the siloxan containing rod-like mesogens it can be observed that the smectic layers consist of two sublayers separating the incompatible moieties of the compounds. Secondly, the silicon is used as sp3 hybridized branching point to introduce three alkyl chains at one terminal position of the molecules.

Paper Details

Date Published: 1 January 1998
PDF: 6 pages
Proc. SPIE 3319, Liquid Crystals: Chemistry and Structure, (1 January 1998); doi: 10.1117/12.301257
Show Author Affiliations
J. Risse, Martin-Luther-Univ. Halle (Germany)
A. Jacobi, Martin-Luther-Univ. Halle (Germany)
Wolfgang Weissflog, Martin-Luther-Univ. Halle (Germany)
D. Lose, Martin-Luther-Univ. Halle (Germany)
S. Diele, Martin-Luther-Univ. Halle (Germany)

Published in SPIE Proceedings Vol. 3319:
Liquid Crystals: Chemistry and Structure
Marzena Tykarska; Roman S. Dabrowski; Jerzy Zielinski, Editor(s)

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