Thieno[3,2-b]thiophene-Based Discotic Liquid Crystal Mesogens: Rational Synthesis, Physical Properties and Self-Assembly

被引：11
|
作者：
Tian, Daxiong [1 ,2 ,3 ]
Zhou, Yanxiang [1 ,2 ,3 ]
Li, Zhaoning [1 ,2 ,3 ]
Liu, Shuli [4 ,5 ,6 ]
Shao, Jiawei [1 ,2 ,3 ]
Yang, Xue [1 ,2 ,3 ]
Shao, Jinjun [1 ,2 ,3 ]
Huang, Wei [1 ,2 ,3 ,4 ,5 ,6 ,7 ]
Zhao, Baomin [4 ,5 ,6 ]
机构：
[1] Nanjing Tech Univ, Nanjing Tech, Key Lab Flexible Elect KLOFE, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China
[2] Nanjing Tech Univ, Nanjing Tech, Inst Adv Mat, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China
[3] Nanjing Tech Univ, Nanjing Tech, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China
[4] Nanjing Univ Posts & Telecommun, Key Lab Organ Elect & Informat Displays, 9 Wenyuan Rd, Nanjing 210023, Jiangsu, Peoples R China
[5] Nanjing Univ Posts & Telecommun, Inst Adv Mat, 9 Wenyuan Rd, Nanjing 210023, Jiangsu, Peoples R China
[6] Nanjing Univ Posts & Telecommun, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, 9 Wenyuan Rd, Nanjing 210023, Jiangsu, Peoples R China
[7] Northwestern Polytech Univ, Shaanxi Inst Flexible Elect, 127 West Youyi Rd, Xian 710072, Shaanxi, Peoples R China
来源：
CHEMISTRYSELECT | 2017年 / 2卷 / 26期
基金：
中国国家自然科学基金;
关键词：
discotic liquid crystal; polycyclic heteroaromatic hydrocarbon; self-assembly; thieno[3,2-b]thiophene; FIELD-EFFECT TRANSISTORS; CHARGE-CARRIER MOBILITY; ACCEPTOR UNITS; BUILDING-BLOCK; TRIPHENYLENE; OLIGOMERS; HEXABENZOCORONENE; THIENOTHIOPHENES; TRANSFORMATION; DERIVATIVES;
D O I：
10.1002/slct.201701051
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The straightforward synthesis of rigid fused thienoacenes through FeCl3 mediated Scholl cylcodehydrogenation by utilizing thieno[3,2-b]thiophene as core and alkylthiophenes (alkyloxylphenyls) as arms is described. Their thermal behaviours were studied by different techniques such as thermo-gravimetric analysis, differential scanning calorimetry, polarizing optical microscopy and X-ray diffraction. Their self-assembly properties were systematically investigated by variable concentration NMR, scanning electron microscopy and transmission electron microscopy. These new discotic mesogens have very good thermal stability and display thermo-tropic liquid crystalline behaviours. Ordered columnar liquid crystalline phases and crystalline phases were observed for these compounds with tunable phase transition temperatures and mesophase widths. Interestingly, these compounds could simultaneously generate micro-ribbons in various solvents due to strong - intermolecular interactions.
引用
收藏
页码：8137 / 8145
页数：9
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