Bis cinnamate substituted λ-shaped azo liquid crystal: effect of molecular structure on mesomorphic properties

A new class of λ-shaped azo materials with a cinnamate linkage group has been designed, synthesized, and well-characterized. Further, the liquid crystalline property has been studied by using POM and DSC analysis. Out of six derivatives, five compounds displayed liquid crystalline properties. The li...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2023-11, Vol.765 (1), p.10-25
Main Authors: Shukla, Devendra K., Sharma, Vinay S., Sharma, Anuj S., Hitendra, Mali, Shah, R.R.
Format: Article
Language:English
Subjects:
Azo
cinnamate
enantiotropic
liquid crystal
Liquid crystals
Molecular structure
nematic
Rigidity
smectic
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Summary:A new class of λ-shaped azo materials with a cinnamate linkage group has been designed, synthesized, and well-characterized. Further, the liquid crystalline property has been studied by using POM and DSC analysis. Out of six derivatives, five compounds displayed liquid crystalline properties. The liquid crystalline property is observed in an enantiotropic manner. The structure-property relationship is further studied for the understanding of the exhibition of liquid crystalline properties. The results showed that their liquid crystalline phase behavior was closely related to the number of mesogenic units, rigidity, and flexibility of the molecular systems.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421406.2023.2210948