Fluorescence Properties of Rare Earth Complexes with Bis-β-ketone

YIN Xian-hong; FENG Yu; BAI Li-juan; MA Shao-mei; SHI Zhan-wang; HUANG Zhong-jing; DIAO Ka

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Fluorescence Properties of Rare Earth Complexes with Bis-β-ketone

更新时间：2020-08-11

- Fluorescence Properties of Rare Earth Complexes with Bis-β-ketone
- Chinese Journal of Luminescence Vol. 27, Issue 1, Pages: 105-112(2006)
- 作者机构：
  
  广西民族学院, 化学与生态工程学院,广西南宁,530006
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31;O614.341
- Received：01 September 2004，
  
  Revised：21 January 2005，
  
  Published：20 January 2006
- 稿件说明：
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尹显洪, 冯宇, 白丽娟, 马少妹, 石展望, 黄忠京, 刁开盛. 新型双β-二酮稀土配合物的荧光性质[J]. 发光学报, 2006,27(1): 105-112

YIN Xian-hong, FENG Yu, BAI Li-juan, MA Shao-mei, SHI Zhan-wang, HUANG Zhong-jing, DIAO Kai-sheng. Fluorescence Properties of Rare Earth Complexes with Bis-β-ketone[J]. Chinese Journal of Luminescence, 2006,27(1): 105-112
尹显洪, 冯宇, 白丽娟, 马少妹, 石展望, 黄忠京, 刁开盛. 新型双β-二酮稀土配合物的荧光性质[J]. 发光学报, 2006,27(1): 105-112 DOI：

YIN Xian-hong, FENG Yu, BAI Li-juan, MA Shao-mei, SHI Zhan-wang, HUANG Zhong-jing, DIAO Kai-sheng. Fluorescence Properties of Rare Earth Complexes with Bis-β-ketone[J]. Chinese Journal of Luminescence, 2006,27(1): 105-112 DOI：

摘要

稀土离子因其特有的结构

具有较好的荧光特性

能与许多有机配体形成有良好荧光性能的配合物。简要介绍了双β-二酮配体的合成

研究了Eu

、Tb

双β-二酮配合物体系的荧光性能

该体系具有良好的荧光特性。通过对其紫外光谱、荧光光谱测定和对比

分析了不同因素

包括溶剂、配体结构、pH值等因素对体系荧光强度的影响。实验结果表明:稀土(Eu

)-β-二酮体系在乙醇溶液中其荧光强度比在水溶液中大得多;乳化剂OP能增强体系荧光强度;在pH约为6时荧光最强;不同结构的β-二酮配体与稀土离子所形成的配合物的荧光强度顺序为H

;Eu

比Tb

能更好地与这些β-二酮匹配

其中Eu

与β-二酮配体H

形成的配合物荧光性能最好。

Abstract

Because its unique structure

the rare earth ion has the better fluorescence specific

and could react with many organic ligands to form the good fluorescence complexes. This article simply has introduced syn-thesis of bis β-ketone and studied fluorescence performance of Eu

-bis β-ketone system. This system has the good fluorescence characteristic through its fluorescence spectrum determination and contrast

analysis of the different factor

including the solvent

ligand structure

the influence of pH value on the fluorescence intensity. The experiment result showed: in the system of rare earth(Eu

or Tb

)bis-β-ketone

the luminescence intensity was higher in the ethanol than that in the water. Emulsifier OP enhanced the luminescence greatly.The effect of pH was investigated in the range of 4

but the luminescence signal was observed to be the strongest at pH=6. The effect of different ligands was studied also

and the sequence of the enhance is: H

. The Eu

has a nice match with the bis-β-ketone ligands

but Tb

didn't match with the bis-β-ketone ligands perfectly

and the luminescence intensity of the Eu

-H

complex is the strongest in three ligands complexes.

关键词

Keywords

references

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