Self-assembly of supramolecular polymers in water from tetracationic and tetraanionic monomers in water through cooperative electrostatic attraction and aromatic stacking

论文摘要

The cooperative electrostatic attraction and π-π aromatic stacking interactions between tetrahedral tetrapyridinium TP and three tetraanionic tetraphenylethylene derivatives TPE-1～3 led to the formation of a new kind of supramolecular polymer networks in water, which have been confirmed by1 H NMR,fluorescence, isothermal titration calorimetric（ITC） and dynamic light scattering（DLS） experiments. ITC studies show that the contributions of enthalpy and entropy were comparable, reflecting the importance of hydrophobicity in driving the intermolecular aromatic stacking. DLS experiments indicate that the linear supramolecular polymers formed by these tetratopic monomers further aggregated into networks of 102-nm size.

论文目录

文章来源

类型: 期刊论文

作者: Ya-Kun Zhao,Zhong-Zheng Gao,Hui Wang,Dan-Wei Zhang,Zhan-Ting Li

来源: Chinese Chemical Letters 2019年01期

年度: 2019

分类: 工程科技Ⅰ辑

专业: 化学

单位: Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Fudan University

基金: National Natural Science Foundation of China (Nos. 21432004 and 21472023) for financial support

分类号: O641.3;O631

页码: 127-130

总页数: 4

文件大小: 1981K

下载量: 11

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