A Low-temperature Axially Polar Ferroelectric Columnar Liquid Crystal Compound Possessing Branched Alkyl Chains

Ferroelectric columnar liquid crystals have received much attention as energy-saving electronic materials. In this study, an N,N′-bis(3,4,5-tris((2-ethylhexyl)oxy)phenyl)urea was synthesized and characterized. As a result, the compound exhibited a ferroelectric columnar liquid crystal phase at low-t...

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Published in:Chemistry letters 2020-07, Vol.49 (7), p.768-770
Main Authors: Akiyama, Azumi, Kohri, Michinari, Kishikawa, Keiki
Format: Article
Language:English
Subjects:
Chain branching
Electronic materials
Energy conservation
Ferroelectric materials
Ferroelectricity
Liquid crystals
Low temperature
Ureas
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description Ferroelectric columnar liquid crystals have received much attention as energy-saving electronic materials. In this study, an N,N′-bis(3,4,5-tris((2-ethylhexyl)oxy)phenyl)urea was synthesized and characterized. As a result, the compound exhibited a ferroelectric columnar liquid crystal phase at low-temperature (63–103 °C), and succeeded in significantly lowering the temperature compared to conventional ferroelectric urea compounds (>105 °C). This is the first example where ferroelectricity is greatly affected by the temperature in a columnar liquid crystal phase.
doi_str_mv 10.1246/cl.200266
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source Oxford Journals Online
subjects Chain branching
Electronic materials
Energy conservation
Ferroelectric materials
Ferroelectricity
Liquid crystals
Low temperature
Ureas
title A Low-temperature Axially Polar Ferroelectric Columnar Liquid Crystal Compound Possessing Branched Alkyl Chains
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