Multi-mode supermolecular polymerization driven by host-guest interactions

被引：14
作者：
Chang, Dongdong
Han, Dan
Yan, Wenhao
Yuan, Zhiyi
Wang, Qiaochun
Zou, Lei [1 ]
机构：
[1] East China Univ Sci & Technol, Key Lab Adv Mat, Sch Chem & Mol Engn, Shanghai 200237, Peoples R China
来源：
RSC ADVANCES | 2018年 / 8卷 / 25期
基金：
中国国家自然科学基金;
关键词：
SUPRAMOLECULAR POLYMERS; RECOGNITION; SULFONATOCALIXARENE; STOICHIOMETRY; COMPLEXES; MOLECULES; EMISSION; HYDROGEL;
D O I：
10.1039/c8ra01892h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel supermolecular self-assembly based on ternary host-guest interaction between cucurbit[8]uril (CB[8]), 1,1-dimethyl-4,4-bipyridinium dication (MV) and coumarin derivative was applied for the construction of linear supramolecular polymer with high degree of polymerization in aqueous solution. Accompanied by the introduction of azobenzene on linear ABBA type monomer the supermolecular polymerization is different and the morphology changes from linear to dendritic polymer. The successful supramolecular polymerization of linear and dendritic supramolecular polymers by non-covalent host-guest molecular recognition was confirmed by various characterization methods, such as H-1 NMR spectroscopy, ROESY, transmission electron microscopy (TEM) and dynamic light scattering (DLS) measurements. Meanwhile, the supramolecular polymerization could promote the conversion of the azobenzene from cis to trans, which ultimately results in no isomerism upon UV irradiation.
引用
收藏
页码：13722 / 13727
页数：6
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