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Issue 16, 2014
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A two-dimensional single-layer supramolecular organic framework that is driven by viologen radical cation dimerization and further promoted by cucurbit[8]uril

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Abstract

A two-dimensional supramolecular organic framework has been constructed in water from a rigid water-soluble triangular building block which is driven by the dimerization of three appended viologen radical cation units. Cucurbit[8]uril (CB[8]) further stabilizes the single-layer network by encapsulating the stacking viologen radical cation dimers. The new supramolecular networks have been characterized with UV-vis absorption, electron paramagnetic resonance, dynamic light scattering, solution and solid phase small angle X-ray diffraction, and AFM experiments. The aggregation behaviour is in sharp contrast to that of a triangular control compound, which only forms a discrete dimer or a 2 : 3 encapsulation complex in the absence or presence of CB[8].

Graphical abstract: A two-dimensional single-layer supramolecular organic framework that is driven by viologen radical cation dimerization and further promoted by cucurbit[8]uril

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Supplementary files

Article information


Submitted
29 Jan 2014
Accepted
20 Apr 2014
First published
22 Apr 2014

Polym. Chem., 2014,5, 4715-4721
Article type
Paper
Author version available

A two-dimensional single-layer supramolecular organic framework that is driven by viologen radical cation dimerization and further promoted by cucurbit[8]uril

L. Zhang, T. Zhou, J. Tian, H. Wang, D. Zhang, X. Zhao, Y. Liu and Z. Li, Polym. Chem., 2014, 5, 4715
DOI: 10.1039/C4PY00139G

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