4.5 Article

Hexagonal columnar mesophases of polycatenar para-phenylene connected bis-oxadiazole-based liquid crystals

Journal

LIQUID CRYSTALS
Volume 40, Issue 8, Pages 1028-1034

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/02678292.2013.803617

Keywords

Bis-oxadiazole; polycatenar; hexagonal columnar phase; liquid crystal

Funding

  1. National Natural Science Foundation of China [21274119, 21074105, 20973133]
  2. Yunnan Science Foundation [2010CD018]
  3. Cluster of Excellence Nanostructured Materials'

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In this article polycatenar liquid crystals containing two 1,3,4-oxadiazoles interconnected by a para-substituted benzene ring as the central linking unit and three alkoxy chains at each terminal have been synthesised, and investigated by polarising microscopy, DSC and XRD scattering. Molecules with medium chain length form exclusively hexagonal columnar liquid crystalline phases.

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