Super high birefringence isothiocyanato biphenyl-bistolane liquid crystals

Sebastian Gauza, Chien Hui Wen, Shin Tson Wu*, Narayanasamy Janarthanan, Chain-Shu Hsu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

117 Scopus citations


We have designed, synthesized, and evaluated the physical properties of some high birefringence (Δn) isothiocyanato biphenyl-bistolane liquid crystals. These compounds exhibit Δn ∼ 0.7-0.8 at room temperature and wavelength λ= 633 nm. Laterally substituted short alkyl chains and fluorine atom eliminate smectic phase and lower the melting temperature. The moderate melting temperature and very high clearing temperature make those compounds attractive for eutectic mixture formulation. A eutectic mixture based on those compounds was formulated and its physical properties evaluated. The simulated absorption spectra agree reasonably well with the measured results.

Original languageEnglish
Pages (from-to)7634-7638
Number of pages5
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Issue number11 A
StatePublished - 1 Nov 2004


  • Eutectic mixtures
  • High birefringence
  • Isothiocyanato bistolanes
  • Liquid crystals
  • Molecular modeling

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