Strong luminescence of novel water-soluble lanthanide complexes sensitized by pyridine-2,4,6-tricarboxylic acid

被引：13

作者：

Ren, Yuan-Yuan ^{[1
]}

An, Bao-Li ^{[1
]}

Xu, Qian ^{[2
]}

机构：

[1] Shanghai Univ, Coll Sci, Dept Chem, Shanghai 200444, Peoples R China

[2] Fudan Univ, Sch Pharm, Shanghai 201203, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 501卷 / 01期

关键词：

Optical materials; Chemical synthesis; Crystal structure; Luminescence; TRIS(DIPICOLINATES); NANOPARTICLES; EUROPIUM; IONS;

D O I：

10.1016/j.jallcom.2010.04.025

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Sensitive biological analysis requires optical labels have good water solubility and excellent luminescent properties. Herein, two water-soluble lanthanide (Ln) complexes, Na-6[Ln(FTA)(3)] (Ln = Eu and Tb), have been synthesized with a new tridentate ligand, pyridine-2,4,6-tricarboxylic acid (H(3)PTA). The two-lanthanide complexes showed great characteristic emissions of Eu3+ and Tb3+ ions with high quantum yields of 54.3 +/- 0.5% and 20.2 +/- 0.2%, respectively. Moreover, they have good water solubility and can be labelled on biological molecules by dehydration reactions between the non-coordinated -COOH groups from the luminescent complexes and the -NH2 groups from the biological molecules. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：42 / 46

页数：5

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