Issue 3, 2013

Frustrated phases induced in binary mixtures of hockey-stick and chiral rod-like mesogens

Abstract

Two liquid crystalline compounds with different shapes and chirality aspects have been used to prepare binary mixtures. An achiral hockey stick mesogen exhibiting a nematic–smectic C synclinic–smectic C anticlinic phase sequence has been blended with a chiral rod-like mesogen with a SmA*–ferroelectric (FE) SmC*–antiferroelectric (AF) SmCA* phase sequence. Several frustrated phases (blue phases, TGBA and TGBC phases) have been induced in broad temperature and concentration ranges. By tailoring the composition of the chiral compound we succeeded in preparation of mixtures with unusual mesomorphic behaviour. We demonstrate a new system showing chiral nematic and antiferroelectric phases in its phase sequence.

Graphical abstract: Frustrated phases induced in binary mixtures of hockey-stick and chiral rod-like mesogens

Article information

Article type
Paper
Submitted
24 Sep 2012
Accepted
08 Nov 2012
First published
23 Nov 2012

Soft Matter, 2013,9, 647-653

Frustrated phases induced in binary mixtures of hockey-stick and chiral rod-like mesogens

V. Novotná, M. Glogarová, V. Kozmík, J. Svoboda, V. Hamplová, M. Kašpar and D. Pociecha, Soft Matter, 2013, 9, 647 DOI: 10.1039/C2SM27194J

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