Probing solution behaviour of metallosupramolecular complexes using pyrene fluorescence

Cox, Nicola M., Harding, Lindsay P., Jones, Jennifer Elizabeth, Pope, Simon J. A. ORCID: https://orcid.org/0000-0001-9110-9711, Rice, Craig R. and Adams, Harry 2012. Probing solution behaviour of metallosupramolecular complexes using pyrene fluorescence. Dalton Transactions 41 (5) , pp. 1568-1573. 10.1039/c1dt11831e

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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.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Chemistry
Subjects:	Q Science > QD Chemistry
Publisher:	Royal Society of Chemistry
ISSN:	1477-9226
Last Modified:	20 Oct 2022 07:46
URI:	https://orca.cardiff.ac.uk/id/eprint/26352

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