Mesophase behaviour of binary mixtures of bell-shaped and calamitic compounds

D. Ž Obadović, A. Vajda, A. Jákli, A. Menyhárd, M. Kohout, J. Svoboda, M. Stojanović, N. Éber, G. Galli, K. Fodor-Csorba

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4 Citations (Scopus)


A new bell-shaped compound, (dec-9-en-1-yl) 3,5-bis{[4'-(n-nonyloxy)biphenyl-4-carbonyl]oxy}benzoate (I), with symmetrical substitution in positions 3 and 5 of the central ring, was prepared. Although this material was not mesogenic, it exhibited low melting and freezing points and was therefore suitable as a component for mixing studies. These were carried out on a binary system composed of I and the rod-like 4-(n-octyloxy)phenyl 4-(n-hexyloxy)benzoate (II), which exhibits enantiotropic nematic, as well as monotropic SmC and SmX phases. Selected mixtures were studied by polarising optical microscopy, differential scanning calorimetry and X-ray diffraction on non-oriented samples. It was found that the binary mixtures exhibit mesomorphic properties close to room temperature.

Original languageEnglish
Pages (from-to)527-536
Number of pages10
JournalLiquid Crystals
Issue number5
Publication statusPublished - May 1 2010


  • Bent-core liquid crystal
  • Binary mixtures
  • Electro-optics
  • X-ray diffraction

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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    Obadović, D. Ž., Vajda, A., Jákli, A., Menyhárd, A., Kohout, M., Svoboda, J., Stojanović, M., Éber, N., Galli, G., & Fodor-Csorba, K. (2010). Mesophase behaviour of binary mixtures of bell-shaped and calamitic compounds. Liquid Crystals, 37(5), 527-536.