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Title: Columnar mesomorphism in heptazine discotics
Authors: Irla, Sivakumar
Raghunathan, V.A.
Kumar, Sandeep
Issue Date: Sep-2020
Publisher: Elesvier B.V.
Citation: Journal of Molecular Liquids, 2020, Vol.314, p113631
Abstract: In this study, we report the design and synthesis of C3- symmetry columnar liquid crystals in which heptazine core is flanked with six alkoxy chains. These novel derivatives show hexagonal and rectangular columnar liquid-crystalline (LC) phases over a wide range of temperatures. All the compounds exhibit columnar hexagonal phase (Colh) at high temperatures, among which two compounds with lower alkoxy chains show a rectangular phase at lower temperatures. The mesomorphic properties of all the compounds are confirmed by polarizing optical microscopy, differential scanning calorimetry, and X-ray diffractometry.
Description: Restricted Access.
ISSN: 0167-7322
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Copyright: 2020 Elsevier B.V.
Additional information: Supplementary Information Available
Appears in Collections:Research Papers (SCM)

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