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学科主题: 物理有机化学
题名: Vesicle Self-Assembly by Tetrathiafulvalene Derivatives in Both Polar and Nonpolar Solvents and Pseudo-Rotaxane Mediated Vesicle-to-Microtube Transformation
其他题名: 四硫富瓦烯衍生物在高、低极性溶剂中组装形成囊泡以及拟轮烷诱导的囊泡-纳米管转化
作者: Zhang KD(章康达) ; Wang GT(王贵涛) ; Zhao X(赵新) ; Jiang XK(蒋锡夔) ; Li ZT(黎占亭)
通讯作者: 赵新 ; 黎占亭
刊名: Langmuir
发表日期: 2010
卷: 26, 期:10, 页:6878-6882
收录类别: SCI
部门归属: 中国科学院上海有机化学研究所
英文摘要: This paper reports the self-assemblies of vesicles from two tetra thia fulvalene (TTF) derivatives (T1 and T2), that bear four or two amphiphilic side chains, in both polar and nonpolar solvents. The formation of vesicles is evidenced by scanning electron microscopy (SEM), atomic force microscopy (A FM), transmission electron microscopy (TEM), and dynamic light scattering (DLS) experiments, while the microstructaral aspects of the vesicles are investigated by UV-vis, H-1 , and high resolution TEM, which support a monolayer model for the vesicles. It is revealed that the formation of vesicles is driven by the combination of multiple noncovalent interactions, including, pi-pi stacking, hydrogen-bonding, van der Waals force, and S center dot center dot center dot S interactions. It is also found that, in the presence of electron-deficient cyclobis(paraquat-p-phenylene) tetracation cyclophane, vesicles of T2 can transform into microtubes as a result of the formation of the pseudo[2]rotaxane between the TTF unit of T2 and the cyclophane. This process can be reversed by introducing pristine TTF into the solution of microtubes, due to release of T2 from the pseudo[2]rotaxane through the formation of a more stable complex between pristine TTF, and tetracation cyclophane.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000277398600004
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/12764
Appears in Collections:物理有机化学研究室_期刊论文

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Recommended Citation:
Zhang KD,Wang GT,Zhao X,et al. Vesicle Self-Assembly by Tetrathiafulvalene Derivatives in Both Polar and Nonpolar Solvents and Pseudo-Rotaxane Mediated Vesicle-to-Microtube Transformation[J]. Langmuir,2010,26(10):6878-6882.
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