Journal
NEW JOURNAL OF CHEMISTRY
Volume 33, Issue 2, Pages 254-263Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b819466a
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Funding
- Microelectronics Advanced Research Corporation (MARCO)
- Centre Nationale de la Recherche Scientifique [UMR 7177]
- French Ministry of Research and Education
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Two donor-acceptor thread-like compounds incorporating viologen (V2+) units and 1,5-dihydroxynaphthalene (DNP) stations have been prepared. Their ability to form self-assembled charge-transfer (CT) complexes with cucurbit[8]uril (CB[8]) is evidenced by UV-Vis and NMR spectroscopies, as well as by mass spectrometry. Binding studies show the formation of 1 : 1 and 2 : 1 complexes between CB[8] and a thread-like compound containing two viologen units, while only a 1 : 1 inclusion complex was observed between CB[8] and a thread-like compound containing only a single viologen unit. The switching behavior of the threads within their pseudorotaxane frameworks was investigated by using cyclic voltammetry (CV) and UV-Vis spectroscopy.
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