Crown ether lanthanide complexes as building blocks for luminescent ternary complexes

被引：27

作者：

Magennis, SW

Craig, J

Gardner, A

Fucassi, F

Cragg, PJ

Robertson, N

Parsons, S

Pikramenou, Z ^{[1
]}

机构：

[1] Univ Birmingham, Sch Chem Sci, Birmingham B15 2TT, W Midlands, England

[2] Univ Edinburgh, Dept Chem, Edinburgh EH9 3JJ, Midlothian, Scotland

[3] Univ Brighton, Sch Pharm & Biomol Sci, Brighton BN2 4GJ, E Sussex, England

来源：

POLYHEDRON | 2003年 / 22卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

luminescence; lanthanide; macrocycles; ternary complexes;

D O I：

10.1016/S0277-5387(02)01405-5

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Lanthanide complexes of the macrocyclic ligands 1,10-diaza-4,7,13,16-tetraoxacyclooctadecane-N,N'-diacetic acid (H-2(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. (C) 2003 Elsevier Science Ltd. All rights reserved.

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页码：745 / 754

页数：10

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