Investigation of the mesogenic behavior of alkoxy and fluorine tail terminated alkoxy nitrobiphenyls for chemoresponsive liquid crystals

Rahman, Mohammad Sharifur; Wolter, Trenton; Tripathi, Ayushi; Abbott, Nicholas L.; Mavrikakis, Manos; Twieg, Robert J.

doi:10.1080/02678292.2022.2103193

Cited by 2 publications

(1 citation statement)

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“…11 Additionally, structural variations can be achieved by introducing polar groups, such as fluorine or cyano, at both the lateral and terminal positions of the rigid core to create liquid crystalline materials. 12 In the nematic mesophase, the presence of longitudinal molecular axes aligns themselves parallel to the director axis, displaying a long-range orientational order that can be observed with different types of texture patterns under POM studies. 13 In smectic thermotropic liquid crystals, there is a coexistence of outlined orientational order and translational order.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of acrylamide substituted sulfanilamide based calamitic LCs: effect of terminal group on phase behavior

Meena,

Sharma,

Mali

et al. 2024

10.5267/j.ccl

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In the present study, we have prepared two phenyl ring substituted sulfanilamide bearing acrylamide linking groups. The four derivatives (C1-C4) were prepared by changing the left n-alkoxy terminal group. The liquid crystalline properties of the synthesized sulfanilamide-based compounds were investigated using POM and DSC studies. All four materials exhibit nematic liquid crystalline properties during both heating and cooling. They also demonstrate a broad temperature range and thermal stability. Further, we have studied the structure-property relationship to gain a better understanding of the effect of the linking group and variable alkoxy tail group on mesomorphic behavior. The results indicate that thermal stability, mesophase temperature range, and liquid crystalline properties depend on the linking group and variable alkyl chain length.

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Section: Introductionmentioning

confidence: 99%