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Nanoarchitectures constructed from resulting polypseudorotaxanes of the β-cyclodextrin/4,4'-dipyridine inclusion complex with Co2+ and Zn2+ coordination centers

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Nanoarchitectures constructed from resulting polypseudorotaxanes of the β-cyclodextrin/4,4'-dipyridine inclusion complex with Co2+ and Zn2+ coordination centers

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Title: Nanoarchitectures constructed from resulting polypseudorotaxanes of the β-cyclodextrin/4,4'-dipyridine inclusion complex with Co2+ and Zn2+ coordination centers
Author: Zhao, Yanli; Zhang, Heng Yi; Guo, Dong Sheng; Liu, Yu
Copyright year: 2006
Abstract: Six supramolecular polypseudorotaxanes (2-7) like the missing link have been constructed by coordination of the β-cyclodextrin/4,4'-dipyridine inclusion complex (1) with cobalt chloride, cobalt acetate, cobalt nitrate, zinc chloride, zinc acetate, and zinc nitrate, respectively, and investigated using 1H NMR spectroscopy, circular dichroism, FT-IR, gel permeation chromatography, powder X-ray diffraction, thermogravimetric and differential thermal analysis, transmission electron microscopy, and cyclic voltammetry. The obtained results indicate that polypseudorotaxanes 2-7 could self-assemble to form square or rodlike nanostructures. The counteranions play critical roles in the formation of the polypseudorotaxane nanoarchitectures. Especially polypseudorotaxane 2 shows better electrochemical property as compared with that of other polypseudorotaxanes 3-7, which may potentially be used as an electroactive soft material.
Subject: DRNTU::Science::Biological sciences::Biochemistry.
Type: Journal Article
Series/ Journal Title: Chemistry of materials
School: School of Physical and Mathematical Sciences
Rights: © 2006 American Chemical Society.
Version: None of the above

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