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Issue 25, 2008
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Stabilisation of a heptamethine cyanine dye by rotaxane encapsulation

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Abstract

The crystal structure of a cyanine dye rotaxane shows that the cyclodextrin is tightly threaded round the polymethine bridge of the dye; encapsulation dramatically increases the kinetic chemical stability of the radicals formed on oxidation and reduction of the dye, making it possible to observe the rotaxane radical dication by ESR and UV-vis-NIR spectroscopy.

Graphical abstract: Stabilisation of a heptamethine cyanine dye by rotaxane encapsulation

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Publication details

The article was received on 18 Feb 2008, accepted on 18 Mar 2008 and first published on 22 Apr 2008


Article type: Communication
DOI: 10.1039/B802728E
Citation: Chem. Commun., 2008, 2897-2899
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    Stabilisation of a heptamethine cyanine dye by rotaxane encapsulation

    C. M. S. Yau, S. I. Pascu, S. A. Odom, J. E. Warren, E. J. F. Klotz, M. J. Frampton, C. C. Williams, V. Coropceanu, M. K. Kuimova, D. Phillips, S. Barlow, J. Brédas, S. R. Marder, V. Millar and H. L. Anderson, Chem. Commun., 2008, 2897
    DOI: 10.1039/B802728E

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