Issue 43, 2008
From the journal:

Journal of Materials Chemistry

Fast switching organosiloxane ferroelectric liquid crystals†

Jeffrey C. Roberts,a   Nadia Kapernaum,b   Frank Giesselmann,b   Michael D. Wandc  and  Robert P. Lemieux*a  

* Corresponding authors

a Chemistry Department, Queen's University, Kingston, Ontario, Canada
E-mail: lemieux@chem.queensu.ca

b Institute of Physical Chemistry, Universität Stuttgart, Pfaffenwaldring 55, Stuttgart, Germany

c LC Vision, LLC, 4150 Darley Avenue, Suite 10, Boulder, Colorado, USA

Abstract

We report the synthesis and characterization of organosiloxane 2-phenylpyrimidine mesogens with chiral (R,R)-2,3-difluorooctyloxy side-chains. These compounds form chiral SmA* and SmC* phases, and show remarkable electro-optical and alignment properties as surface-stabilized ferroelectric liquid crystals, including one of the fastest optical rise times (11 µs at T − TAC = −10 K and 6 V µm−1) for an organosiloxane mesogen.

Graphical abstract: Fast switching organosiloxane ferroelectric liquid crystals

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Article information

DOI
https://doi.org/10.1039/B810209K
Article type
Paper
Submitted
17 Jun 2008
Accepted
26 Aug 2008
First published
08 Oct 2008

J. Mater. Chem., 2008,18, 5301-5306

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Fast switching organosiloxane ferroelectric liquid crystals

J. C. Roberts, N. Kapernaum, F. Giesselmann, M. D. Wand and R. P. Lemieux, J. Mater. Chem., 2008, 18, 5301 DOI: 10.1039/B810209K

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