Issue 9, 2006

Azaxanthones and azathioxanthones are effective sensitisers for europium and terbium luminescence

Abstract

Several azaxanthone and azathioxanthone sensitising chromophores have been incorporated into macrocyclic ligands and form well-defined Eu and Tb complexes in polar media. Excitation of the heterocyclic chromophore in the range 330 to 382 nm leads to modest amounts of aromatic fluorescence and relatively efficient metal-based luminescence, with absolute metal-based quantum yields of up to 24% in aqueous media.

Graphical abstract: Azaxanthones and azathioxanthones are effective sensitisers for europium and terbium luminescence

Supplementary files

Article information

Article type
Paper
Submitted
27 Jan 2006
Accepted
06 Mar 2006
First published
23 Mar 2006

Org. Biomol. Chem., 2006,4, 1707-1722

Azaxanthones and azathioxanthones are effective sensitisers for europium and terbium luminescence

P. Atkinson, K. S. Findlay, F. Kielar, R. Pal, D. Parker, R. A. Poole, H. Puschmann, S. L. Richardson, P. A. Stenson, A. L. Thompson and J. Yu, Org. Biomol. Chem., 2006, 4, 1707 DOI: 10.1039/B601357K

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