Issue 25, 2008

Stabilisation of a heptamethine cyanine dye by rotaxane encapsulation

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

Supplementary files

Article information

Article type
Communication
Submitted
18 Feb 2008
Accepted
18 Mrz 2008
First published
22 Apr 2008

Chem. Commun., 2008, 2897-2899

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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