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https://irlib.pccu.edu.tw/handle/987654321/24064
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| 題名: | Synthesis, characterization and electro-optic properties of novel siloxane liquid crystalline with a large tilt angle |
| 作者: | Liao, CT (Liao, Chien-Tung)
Lee, JY (Lee, Jiunn-Yih)
Lai, CC (Lai, Chiu-Chun) |
| 貢獻者: | Dept Text Engn |
| 關鍵詞: | STRUCTURAL-CHARACTERIZATION
MESOMORPHIC PROPERTIES
PHASE |
| 日期: | 2011-03-15 |
| 上傳時間: | 2013-01-24 14:29:13 (UTC+8) |
| 摘要: | 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. |
| 關聯: | MATERIALS CHEMISTRY AND PHYSICS 卷: 126 期: 1-2 頁數: 437-444 |
| 顯示於類別: | [紡織工程學系] 期刊論文
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