SYNTHESIS,CHARACTERIZATION AND FLUORESCENCE OF Eu3+,Tb3+ COMPLEXES WITH HETEROCYCLIC LIGANDS CONTAINING NITROGEN

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SYNTHESIS,CHARACTERIZATION AND FLUORESCENCE OF Eu³⁺,Tb³⁺ COMPLEXES WITH HETEROCYCLIC LIGANDS CONTAINING NITROGEN

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- SYNTHESIS,CHARACTERIZATION AND FLUORESCENCE OF Eu³⁺,Tb³⁺ COMPLEXES WITH HETEROCYCLIC LIGANDS CONTAINING NITROGEN
- Chinese Journal of Luminescence Vol. 19, Issue 1, Pages: 60-65(1998)
- 作者机构：
  
  1. 中国科学院激发态物理开放研究实验室, 长春 130021
  2. 浙江大学材料科学与工程系杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：19 August 1997，
  
  Published：28 February 1998
- 稿件说明：
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钱国栋, 王民权, 吕少哲, 黄世华. 稀土(Eu3+、Tb3+)含氮杂环配合物的合成、表征及其荧光性质[J]. 发光学报, 1998,19(1): 60-65

Qian Guodong, Wang Minquan, Lü Shaozhe, Huang Shihua. SYNTHESIS,CHARACTERIZATION AND FLUORESCENCE OF Eu3+,Tb3+ COMPLEXES WITH HETEROCYCLIC LIGANDS CONTAINING NITROGEN[J]. Chinese Journal of Luminescence, 1998,19(1): 60-65
钱国栋, 王民权, 吕少哲, 黄世华. 稀土(Eu3+、Tb3+)含氮杂环配合物的合成、表征及其荧光性质[J]. 发光学报, 1998,19(1): 60-65 DOI：

Qian Guodong, Wang Minquan, Lü Shaozhe, Huang Shihua. SYNTHESIS,CHARACTERIZATION AND FLUORESCENCE OF Eu3+,Tb3+ COMPLEXES WITH HETEROCYCLIC LIGANDS CONTAINING NITROGEN[J]. Chinese Journal of Luminescence, 1998,19(1): 60-65 DOI：

摘要

在无水乙醇溶液中分别合成了Eu

离子、Tb

离子与2

2'-联吡啶(Dipy)、1

10-邻菲罗啉(Phen)的四种配合物

研究了配合物的荧光性质.由于Phen含有较大范围的共轭π键和较好的刚性平面

含Phen配合物的荧光强度均要比含Dipy配合物的强;配合物的高分辨荧光光谱表明

离子在Eu(Dipy)

·2H

O和Eu(Phen)

·2H

O配合物中处于C

或C

的对称性位置.

Abstract

Four complexes of Eu

and Tb

ions with 2

2'-dipyridyl (Dipy) and 1

10-phenanthroline (Phen) were synthesized in the absolute ethanol solutions

and the fluorescence properties of the complexes were studied.With respect to Dipy

Phen has higher electron density in the conjugated system with the result of a higher orbital overlap and consequently an easier transfer of energy to the rare earth ions

which make the fluorescence intensity of Phen complexes be stronger than that of Dipy complexes.Moreover

the high resolution emission spectra of Eu

measured at 77K indicate that the symmetry of Eu

sites in Eu(Phen)

·2H

O and Eu(Dipy)

·2H

O is C

or C

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