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Citation: DING Aixiang, ZHANG Guiyu, LU Hongbo, YANG Jiaxiang. α-Cyanostilbene Derivatives as Fluorescence Liquid-Crystal Molecules:Synthesis and Optical Properties[J]. Chinese Journal of Applied Chemistry, ;2014, 31(11): 1261-1267. doi: 10.3724/SP.J.1095.2014.40069 shu

α-Cyanostilbene Derivatives as Fluorescence Liquid-Crystal Molecules:Synthesis and Optical Properties

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a Department of Chemistry, Key Laboratory of Functional Inorganic Materials of Anhui Province, Anhui University, Hefei 230039, China;
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b Key Lab of Special Display Technology, Ministry of Education, National Engineering Laboratory of Special Display Technology, State Key Laboratory of Advanced Display Technology, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei 230009, China

Corresponding author: YANG Jiaxiang,
Received Date: 10 March 2014
Available Online: 24 April 2014
Fund Project: 国家自然科学基金(61107014) (61107014)安徽省自然科学基金(1208085MB21)资助项目 (1208085MB21)

Liquid-crystal molecule with α-cyanostilbene as the core structure,(Z)-2-(4-(dodecylamino) phenyl)-3-(4-(dodecyloxy) phenyl) acrylonitrile(T3),was synthesized.Compound T3 and its analogue(Z)-2-(4-aminophenyl)-3-(4-(dodecyloxy) phenyl)-acrylonitrile(T2) exhibit strong fluorescence both in concentrated solutions and in solid state at blue-green bands.Thermogravimetric analysis for both compounds demonstrates the good thermal stability.Differential scanning calorimetry(DSC) and polarising optical microscope(POM) were used to study the liquid crystal property of compound T3.Molecular arrangement of compound T3 was studied by powder X-ray diffraction.The results indicate the formation of a smectic liquid crystal by compound T3.
- α-cyanostilbene,
- optical properties,
- thermal stabilities,
- liquid crystal,
- smectic phase
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