Studies on Fluorescence Characteristic of the Complexes of Europium-Yttrium-o-Aminobenzoate-2,2′-Dipyridyl

朱勇; 酒红芳; 高保娇; 左海丽

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Studies on Fluorescence Characteristic of the Complexes of Europium-Yttrium-o-Aminobenzoate-2,2′-Dipyridyl

更新时间：2026-09-14

- Studies on Fluorescence Characteristic of the Complexes of Europium-Yttrium-o-Aminobenzoate-2,2′-Dipyridyl
- 邻氨基苯甲酸-联吡啶-稀土(Eu,Y)配合物的荧光研究
- Issue 4, Pages: 347-351(2008)
- 作者机构：
  
  中北大学化工与环境学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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朱勇, 酒红芳, 高保娇, et al. Studies on Fluorescence Characteristic of the Complexes of Europium-Yttrium-o-Aminobenzoate-2,2′-Dipyridyl[J]. 2008, (4): 347-351.
DOI：

朱勇, 酒红芳, 高保娇, et al. Studies on Fluorescence Characteristic of the Complexes of Europium-Yttrium-o-Aminobenzoate-2,2′-Dipyridyl[J]. 2008, (4): 347-351. DOI：

摘要

以邻氨基苯甲酸、2

2′-联吡啶为配体

与氯化铕、氯化钇在水-乙醇混合溶液中反应合成了邻氨基苯甲酸-2

2′-联吡啶-铕钇异多核稀土配合物

测定了配合物的紫外吸收光谱与红外光谱.通过元素分析及等离子体发射光谱对配合物的化学组成进行了分析

在345 nm紫外光激发下

测定了配合物的荧光光谱

并探讨了荧光增敏机理.红外光谱数据表明:邻氨基苯甲酸中的羧基和氨基均与稀土离子配位

联吡啶中的氮也与稀土离子配位.由元素分析数据推测

配合物的化学组成式为(EuxY1-x)L3L′(其中L为配体邻氨基苯甲酸

L′为另一配体2

2′-联吡啶).荧光光谱测定结果表明:不发光的Y3+对Eu3+的发光有明显的增敏作用

且当钇的含量为50%时(摩尔含量)

增敏作用最强.

Abstract

A series of mixed rare earth complexes of europium and yttrium with anthranilic acid and 2

2′-dipyridyl were synthesized by the reaction of EuCl3 and YCl3 with anthranilic acid and 2

2′-dipyridyl in aqueous solution.The UV spectra and infrared spectra of complexes were measured

their compositions were determined via elemental analysis and plasma emission spectrum methods

and their fluorescence spectra were determined.The experiment results show that the chemical bonds have been formed between two ligands and rare earth ions

and the chemical structure of the mixed complex is(EuxY1-x)L3L′

in which L is ligand anthranilic acid

and L′ is another ligand 2

2′-dipyridyl.The fluorescence spectra of the complexes are the characteristic emissions of Eu3+

the fluorescence intensities of the complexes are enhanced obviously by doping with Y3+

and the increasing effect is maximum as the ratio of the amount(mole) of Eu3+ to Y3+ is 1∶1.

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references

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