Synthesis and fluorescence properties of the europium(III) chelate of a polyacid derivative of terpyridine

被引：12
|
作者：
Wang, Z [1 ]
Yuan, JL [1 ]
Matsumoto, K [1 ]
机构：
[1] Waseda Univ, Adv Res Inst Sci & Engn, Dept Chem, Shinjuku Ku, Tokyo 1698555, Japan
来源：
LUMINESCENCE | 2005年 / 20卷 / 4-5期
关键词：
fluorescence; chelates; terpyridine; biphenyl; europium;
D O I：
10.1002/bio.843
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new polyacid derivative ligand of biphenyl-substituted terpyridine, [4'-(biphenyl-4'"-yl)-2,2':6'2"-terpyridine-6,6"diyl] bis(methylenenitrilo)tetrakis (acetic acid) was synthesized, and the fluorescence properties of its Eu3+ and Th3+ chelates were investigated. The Eu3+ chelate of the ligand is strongly fluorescent, with a fluorescence quantum yield of 0.156, molar absorption coefficient of 2.95 X 10(4) mol/L/cm, at molar absorption maximum of 336 nm, and fluorescence lifetime of 1.29 ms, whereas its Tb3+ chelate is non-fluorescent. Copyright (c) 2005 John Wiley & Sons, Ltd.
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收藏
页码：347 / 351
页数：5
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