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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
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.
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页码:42 / 46
页数:5
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