Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 328, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.molliq.2021.115378
Keywords
Smectics; Orthoconic materials; Electro-optical properties; Eutectic mixture
Funding
- [UGB 760]
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The electro-optical properties of eight smectic liquid crystalline compounds with a chiral center based on (S)-(+)-3-octanol were studied. The compounds possess self-assembling behavior with antiferroelectric ordering, making them potential candidates for use in orthoconic antiferroelectric liquid crystalline mixtures.
The electro-optical properties (tilt angle of the director and spontaneous polarisation) of eight smectic liquid crystalline compounds with a chiral centre based on (S)-(+)-3-octanol and different substitution of the benzene ring and different length of the oligomethylene spacer (-(CH2)(n)O-) were studied. The compounds possess the self-assembling behaviour with an antiferroelectric ordering in smectic C-a* phase at a broad temperature range, some of materials have also a ferroelectric smectic C* phase and/or an orthogonal smectic A* phase. Due to high chemical stability and very high values of the optical tilt angle (40-44 degrees) at saturation, the tested compounds can be used as chiral components for orthoconic antiferroelectric liquid crystalline mixtures. (C) 2021 Elsevier B.V. All rights reserved.
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