Liquid crystalline behaviour of hydrazide derivatives containing alkoxyazobenzene

被引：8

作者：

Bai, Binglian ^{[1
,2
]}

Mao, Xiyue ^{[1
]}

Xi, Zhanhu ^{[1
]}

Ma, Jie ^{[2
]}

Lin, Xiaolong ^{[2
]}

Wang, Haitao ^{[1
]}

Li, Min ^{[1
]}

机构：

[1] Jilin Univ, Coll Mat Sci & Engn, Minist Educ, Key Lab Automobile Mat JLU, Changchun 130023, Peoples R China

[2] Jilin Univ, Coll Phys, Changchun 130023, Peoples R China

来源：

LIQUID CRYSTALS | 2014年 / 41卷 / 02期

基金：

中国国家自然科学基金;

关键词：

hydrazide derivatives; intermolecular hydrogen bonding; intermolecular separation; azobenzene; SMECTIC C-PHASE; HYDROGEN-BOND; PREFERENTIAL EXHIBITION; COLUMNAR MESOPHASES; BENZOIC-ACID; MOIETIES; MOLECULES; MIXTURES; POLYMERS; DONORS;

D O I：

10.1080/02678292.2013.847977

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two series of dissymmetric hydrazide derivatives containing alkoxyazobenzene with nitro terminal group and octyloxy terminal group, N-4-alkoxyphenyl-N-4-((4-nitrophenyl)azophenyl) benzohydrazide (Bn-NO2, n indicates the number of carbon atoms) and N-4-octyloxyphenyl-N-4-((4-octyloxyphenyl)azophenyl) benzohydrazide (B8-B8), were designed and synthesised, and their liquid crystalline properties were investigated by means of differential scanning calorimetry, polarised optical microscopy and wide-angle X-ray diffraction. It was found that B8-B8 with octyloxy terminal chains displayed monolayer smectic C phase, whereas Bn-NO2 with nitro terminal group displayed SmA(d) phase, and intermolecular hydrogen bonding was confirmed as the driving force. In addition, the effect of hydrogen bonding, dipole-dipole interactions and steric hindrance effect on the liquid crystalline structures were also discussed.

引用

页码：214 / 221

页数：8

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