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Probing solution behaviour of metallosupramolecular complexes using pyrene fluorescence

Cox, Nicola M., Harding, Lindsay P., Jones, Jennifer Elizabeth, Pope, Simon J. A., 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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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: Chemistry
Subjects: Q Science > QD Chemistry
Publisher: Royal Society of Chemistry
ISSN: 1477-9226
Last Modified: 04 Jun 2017 03:46

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