Synthesis, characterization and electro-optic properties of novel siloxane liquid crystalline with a large tilt angle

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Title:	Synthesis, characterization and electro-optic properties of novel siloxane liquid crystalline with a large tilt angle
Authors:	Liao, CT (Liao, Chien-Tung) Lee, JY (Lee, Jiunn-Yih) Lai, CC (Lai, Chiu-Chun)
Contributors:	Dept Text Engn
Keywords:	STRUCTURAL-CHARACTERIZATION MESOMORPHIC PROPERTIES PHASE
Date:	2011-03-15
Issue Date:	2013-01-24 14:29:13 (UTC+8)
Abstract:	This paper presents a study of the ferroelectric behavior in low molar mass organosiloxane liquid crystal materials. A few novel series of compounds with a large tilt angle were synthesized, and the mesophases exhibited were compared. The mesophases under discussion were investigated by means of polarizing microscopy (POM), differential scanning calorimetry (DSC), X-ray diffraction (XRD) and electro-optical experiments. The influence of the molecular structure on the occurrence of the chiral smectic C (SmC) phase was investigated. Finally, the electro-optical properties of the SmC phase, such as tilt angle, dielectric permittivity and switching behavior were also measured. As a consequence, the correlation between the electro-optical properties and chemical structures of these compounds was investigated. (C) 2010 Elsevier B.V. All rights reserved.
Relation:	MATERIALS CHEMISTRY AND PHYSICS 卷: 126 期: 1-2 頁數: 437-444
Appears in Collections:	[Department of Textile Engineering ] journal articles

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