Abstract
Abstract: New self-assembled discotic liquid crystals have been prepared through single hydrogen bonding be-tween phenol and pyridine moieties, and their liquid crystalline properties were investigated. For the con-struction of discotic structure, we used phloroglucinol as a core molecule and trans -4-alkoxy-4’-stilbazoles with systematically varied alkyl chain lengths as peripheral units. FTIR results showed that the intermolecular hy-drogen bonds between core and peripheral molecules are successfully formed, and the stability of the hydrogen bond is strongly influenced by molecular ordering. Discotic complexes exhibited different liquid crystalline phases depending on the length of alkyl chains around the discotic mesogen. The discotic complexes with lon-ger alkyl chains showed hexagonal columnar mesophases, while the other complexes formed nematic columnar mesophases. These results indicated that the type of mesophase structure was strongly dependent on the alkyl chain length around the aromatic core.
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