Issue 36, 2008
From the journal:

Chemical Communications

Cyclometallated platinum(ii) complexes incorporating ethynyl–flavoneligands: switching between triplet and singlet emission induced by selective binding of Pb2+ ions†

Pierre-Henri Lanoë,a   Jean-Luc Fillaut,*a   Loïc Toupet,b   J. A. Gareth Williams,*c   Hubert Le Bozeca  and  Véronique Guerchais*a  

* Corresponding authors

a Sciences Chimiques de Rennes, UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu, Rennes, France
E-mail: veronique.guerchais@univ-rennes1.fr, jean-luc.fillaut@univ-rennes1.fr
Fax: 33223236939
Tel: 33223236729

b Groupe Matière Condensée, UMR 6626 CNRS-Université de Rennes 1, Campus de Beaulieu, Rennes, France

c Department of Chemistry, University of Durham, South Road, Durham, UK

Abstract

Platinum–ethynylflavone complexes featuring various polyether arms display 3IL phosphorescence associated with the appended flavone perturbed by the platinum centre (τ ∼20 μs), but switch dramatically to flavone-localised 1IL fluorescence (τ ∼ 2 ns) upon selective binding of Pb2+.

Graphical abstract: Cyclometallated platinum(ii) complexes incorporating ethynyl–flavone ligands: switching between triplet and singlet emission induced by selective binding of Pb2+ ions

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Article information

DOI
https://doi.org/10.1039/B806935B
Article type
Communication
Submitted
24 Apr 2008
Accepted
27 May 2008
First published
16 Jul 2008

Chem. Commun., 2008, 4333-4335

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Cyclometallated platinum(II) complexes incorporating ethynyl–flavone ligands: switching between triplet and singlet emission induced by selective binding of Pb2+ ions

P. Lanoë, J. Fillaut, L. Toupet, J. A. G. Williams, H. L. Bozec and V. Guerchais, Chem. Commun., 2008, 4333 DOI: 10.1039/B806935B

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