Novel ionic liquid-crystalline compounds bearing oxadiazole and pyridinium moieties as prospective materials for optoelectronic applications

被引：60

作者：

Haristoy, D ^{[1
]}

Tsiourvas, D ^{[1
]}

机构：

[1] NCSR Demokritos, Inst Phys Chem, Athens, Greece

来源：

CHEMISTRY OF MATERIALS | 2003年 / 15卷 / 10期

关键词：

D O I：

10.1021/cm021365g

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Novel liquid-crystal materials based on 1-alkyl-4-[5-(dodecylsulfanyl)-1,3,4-oxadiazol-2-yl]pyridinium bromide derivatives were synthesized. Their thermotropic polymorphism was investigated by polarizing optical microscopy and differential scanning calorimetry. The structures of their crystalline and smectic A phases were investigated by X-ray diffraction. The existence of thermochromic properties in the smectic phase as well as their UV-visible and fluorescence properties were also studied. The chemical structure of the compounds renders these materials suitable for optoelectronic applications.

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页码：2079 / 2083

页数：5

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