Issue 5, 2012
From the journal:

Dalton Transactions

Probing solution behaviour of metallosupramolecular complexes using pyrene fluorescence†

Nicola M. Cox,a   Lindsay P. Harding,*a   Jennifer E. Jones,b   Simon J. A. Pope,b   Craig R. Ricea  and  Harry Adamsc  

* Corresponding authors

a Dept of Chemical & Biological Sciences, University of Huddersfield, Huddersfield, UK
E-mail: l.p.harding@hud.ac.uk
Fax: (+44) 1484 472182
Tel: (+44) 1484 472434

b School of Chemistry, Main Building, Cardiff University, Museum Avenue, Cardiff, UK

c Dept of Chemistry, University of Sheffield, Sheffield, UK

Abstract

A new method for assessing the topology of metallosupramolecular assemblies using pyrene-appended ligands is reported. Two potentially tetradentate ligands containing one (L1) and two (L2) terminal pyrene moieties were synthesised and their complexes with Cu+ and Cd2+ were characterised. Photophysical measurements demonstrate that in [Cu2(L1)2]2+, [CdL1]2+ and [Cu2(L2)2]2+ the emission spectra are dominated by monomeric emission but in the cadmium complex of L2 (where the pyrene units are in close proximity) a quenching of the luminescence coupled with weak emission at 540 nm is indicative of excimer formation.

Graphical abstract: Probing solution behaviour of metallosupramolecular complexes using pyrene fluorescence

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Article information

DOI
https://doi.org/10.1039/C1DT11831E
Article type
Paper
Submitted
27 Sep 2011
Accepted
15 Nov 2011
First published
06 Dec 2011

Dalton Trans., 2012,41, 1568-1573

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Probing solution behaviour of metallosupramolecular complexes using pyrene fluorescence

N. M. Cox, L. P. Harding, J. E. Jones, S. J. A. Pope, C. R. Rice and H. Adams, Dalton Trans., 2012, 41, 1568 DOI: 10.1039/C1DT11831E

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