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Discotic salicylaldimato metal complexes exhibiting columnar mesophases and their mixtures with rod-like salicylaldimato complexes

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JournalLIQUID CRYSTALS
DatePublished - Nov 2004
Issue number11
Volume31
Number of pages10
Pages (from-to)1435-1444
Original languageEnglish

Abstract

The synthesis and mesomorphism of a series of discotic metal complexes of salicylaldimine ligands is reported. None of the ligands was mesomorphic, but the longer chain length complexes showed a Col(h) phase as evidenced by optical microscopy. Phase diagrams were constructed using rod- and disk-like salicylaldimato complexes, where one was designed to have Lewis acid characteristics and the other Lewis base properties. It was hoped that an associative Lewis acid/base interaction would prevent phase separation of the two components, which may point a way to the realization of a mixture with a biaxial nematic phase. The form of the phase diagrams is discussed.

    Research areas

  • BIAXIAL NEMATIC PHASE, LIQUID-CRYSTALS, ANISOTROPIC SYSTEMS, COMPUTER-SIMULATION, MESOGENS, COPPER, DESIGN, BASES, DISKS

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