Ionic N-Phenylpyridinium Tetracatenar Mesogens:N -phenylpyridinium tetracatenar mesogens: Competing driving forces in mesophase formation and unprecedented difference in phase stabilisation within a homologous series

Ionic, tetracatenar liquid crystals containing an N-phenylpyridinum core are described; many of these compounds display a SmA phase, something extremely rare in tetracatenar materials. The competing forces driving mesophase formation lead to an unprecedented difference in phase stabilities for SmA a...

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Hauptverfasser: Herod, Jordan David, Bates, Martin Alexander, Whitwood, Adrian C, Bruce, Duncan Watson
Format: Artikel
Sprache:eng
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Zusammenfassung:Ionic, tetracatenar liquid crystals containing an N-phenylpyridinum core are described; many of these compounds display a SmA phase, something extremely rare in tetracatenar materials. The competing forces driving mesophase formation lead to an unprecedented difference in phase stabilities for SmA and Colh phases.
DOI:10.1039/c9sm00846b