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化学工业与工程 2022, Vol. 39 Issue (6) :14-20    DOI: 10.13353/j.issn.1004.9533.20210333
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基于氮杂氟硼二吡咯染料的柱相液晶
郭平平1, 王后臣1,2, 张勇杰1, 潘宏斐1, 任相魁1, 陈志坚1
1. 天津大学化工学院, 天津 300350;
2. 枣庄学院化学化工与材料科学学院, 山东 枣庄 277160
Columnar liquid crystals based on Aza-BODIPY dye
GUO Pingping1, WANG Houchen1,2, ZHANG Yongjie1, PAN Hongfei1, REN Xiangkui1, CHEN Zhijian1
1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China;
2. College of Chemistry Chemical Engineering and Materials Science, Zaozhuang University, Shandong Zaozhuang 277160, China

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摘要 近年来Aza-BODIPY染料因其优异的光学性质备受关注。利用"click"反应合成了包含三氮唑及3,4,5-三(十二烷基)苯甲酰胺单元的Aza-BODIPY染料1,并通过1H NMR、13C NMR和MS等方法表征了其化学结构。Aza-BODIPY染料1在偏光显微镜下呈现典型的扇形织构。差示扫描量热法(DSC)研究中观察到了此材料的固相-液晶相以及液晶相-液相的相转变。进一步利用小角X射线衍射(SAXD)研究了液晶相的结构,结果表明Aza-BODIPY染料1形成了六方柱状液晶相(Colhd)。据我们所知,这是首例基于Aza-BODIPY染料的柱相液晶材料。
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郭平平
王后臣
张勇杰
潘宏斐
任相魁
陈志坚
关键词柱相液晶   氮杂氟硼二吡咯   光谱性质     
Abstract: Aza-BODIPY dyes have been attracting tremendous attention in recent years due to their outstanding optical properties. The new Aza-BODIPY dye 1 with triazole amide hydrophobic alkyl chain was synthesized by "click" reaction. Its structure was characterized by 1H NMR, 13C NMR and MS. Differential scanning calorimetry (DSC), optical polarizing microscope (POM) and small angle X-ray diffraction (SAXD) studies confirmed the liquid crystalline (LC) properties of Aza-BODIPY dye 1 in condensed state. The broken-fan texture was observed under the polarizing microscope. Meanwhile, phase transitions of solid to LC phase as well as LC phase to isotropic phase were observed in the DSC traces. Further XRD results indicated that Aza-BODIPY dye 1 formed a hexagonal columnar LC phase (Colhd). To the best of our knowledge, this is the first time that the columnar LC phase was reported for this class of functional dyes.
Keywordscolumnar liquid crystals   boron-azadipyrromethene   spectroscopic properties     
Received 2021-04-03;
Fund:国家自然科学基金(92056115;21676186)。
Corresponding Authors: 陈志坚,教授,E-mail:zjchen@tju.edu.cn。     Email: zjchen@tju.edu.cn
About author: 郭平平(1996-),女,硕士研究生,现从事有机荧光染料及超分子自组装方面的研究。
引用本文:   
郭平平, 王后臣, 张勇杰, 潘宏斐, 任相魁, 陈志坚.基于氮杂氟硼二吡咯染料的柱相液晶[J].  化学工业与工程, 2022,39(6): 14-20
GUO Pingping, WANG Houchen, ZHANG Yongjie, PAN Hongfei, REN Xiangkui, CHEN Zhijian.Columnar liquid crystals based on Aza-BODIPY dye[J].  Chemcial Industry and Engineering, 2022,39(6): 14-20
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