Synthesis and mesomorphic properties of fluoro and isothiocyanato biphenyl tolane liquid crystals

Yung Ming Liao, Narayanasamy Janarthanan, Chain-Shu Hsu*, Sebastian Gauza, Shin Tson Wu

*Corresponding author for this work

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

Four series of high birefringence biphenyl tolane liquid crystals having a terminal isothiocyanato or fluoro group were synthesized; their mesomorphic properties were studied by optical polarizing microscopy and DSC. These biphenyl tolane compounds exhibit reasonably low melting points and high birefringence of 0.37-0.49. By using these compounds a eutectic mixture was formulated exhibiting a wide nematic range, high figure-of-merit and low viscosity.

Original languageEnglish
Pages (from-to)1199-1206
Number of pages8
JournalLiquid Crystals
Volume33
Issue number10
DOIs
StatePublished - 1 Oct 2006

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