Liquid crystal oligomers: going beyond dimers

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Abstract

This review focuses on structure-property relationships in liquid crystal oligomers, which consist of molecules containing two or more mesogenic units linked via flexible spacers essentially in a linear fashion and so does not consider, for example, liquid crystal dendrimers and tetrapodes. Previous reviews have tended to focus mainly on liquid crystal dimers in which just two mesogenic units are interconnected by a single spacer. By contrast, this review is largely devoted to higher oligomers such as liquid crystal trimers and tetramers containing three or four mesogenic units connected by two or three spacers, respectively.

Original languageEnglish
Pages (from-to)755-777
Number of pages24
JournalLiquid Crystals
Volume36
Issue number6-7
DOIs
Publication statusPublished - Jun 2009

Keywords

  • liquid crystal oligomers
  • dimers
  • trimers
  • intercalated smectic phases
  • Smectic-C-phase
  • wide temperature-range
  • rod-like
  • optical-properties
  • mesomorphic behavior
  • anisometric segments
  • transition behavior
  • flexible spacers
  • mesogenic units
  • main-chain

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