Crown ether lanthanide complexes as building blocks for luminescent ternary complexes

Magennis, S.W., Craig, J., Gardner, A., Fucassi, F., Cragg, P.J., Robertson, N., Parsons, S. and Pikramenou, Z. (2003) Crown ether lanthanide complexes as building blocks for luminescent ternary complexes Polyhedron, 22 (5). pp. 745-754. ISSN 0277-5387

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Abstract

Lanthanide complexes of the macrocyclic ligands 1,10-diaza-4,7,13,16-tetraoxacyclooctadecane-N,N′-diacetic acid (H2(dacda)) and 1,4,7,10-tetraoxa-13-azacyclopentadecane-13-acetic acid (H(macma)) have been isolated and characterised. The photophysical properties of the red and green emissive, Eu(III) and Tb(III), respectively, complexes have been elucidated. Upon addition of mono- or bi-dentate aromatic carboxylates or dibenzoylmethide in solutions of the Eu(III) macrocycles triggering of the lanthanide emission is observed. The formation of the ternary complex between the lanthanide macrocycle and the sensitiser is controlled by the available coordinaton sites of the lanthanide macrocycle prior to the binding event.

Item Type: Journal article
Uncontrolled Keywords: Luminescence; Lanthanide; Macrocycles; Ternary complexes
Subjects: F000 Physical Sciences > F100 Chemistry
DOI (a stable link to the resource): 10.1016/S0277-5387(02)01405-5
Faculties: Faculty of Science and Engineering > School of Pharmacy and Biomolecular Sciences
Depositing User: editor spbs
Date Deposited: 08 Nov 2007
Last Modified: 07 Nov 2014 09:59
URI: http://eprints.brighton.ac.uk/id/eprint/466

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