Synthesis, Characterization and Fluorescence Properties of Y3+ -Doped Terbium Complexes with Phenoxyacetic Acid and 1,10-Phenanthroline

WANG Yan; ZHAO Yong-liang; LI Huan-huan; WEI Xiao-yan; MA Rui-jun; DU Yan

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Synthesis, Characterization and Fluorescence Properties of Y³⁺ -Doped Terbium Complexes with Phenoxyacetic Acid and 1,10-Phenanthroline

paper | 更新时间：2020-08-12

- Synthesis, Characterization and Fluorescence Properties of Y³⁺ -Doped Terbium Complexes with Phenoxyacetic Acid and 1,10-Phenanthroline
- Chinese Journal of Luminescence Vol. 31, Issue 3, Pages: 405-410(2010)
- 作者机构：
  
  内蒙古大学化学化工学院,内蒙古呼和浩特,010021
- 作者简介：
- 基金信息：
- DOI：
  CLC： O641.4;O482.31
- Received：10 September 2009，
  
  Revised：02 January 1900，
  
  Published Online：30 June 2010，
  
  Published：30 June 2010
- 稿件说明：
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WANG Yan, ZHAO Yong-liang, LI Huan-huan, et al. Synthesis, Characterization and Fluorescence Properties of Y³⁺ -Doped Terbium Complexes with Phenoxyacetic Acid and 1,10-Phenanthroline[J]. Chinese journal of luminescence, 2010, 31(3): 405-410.
DOI：

WANG Yan, ZHAO Yong-liang, LI Huan-huan, et al. Synthesis, Characterization and Fluorescence Properties of Y³⁺ -Doped Terbium Complexes with Phenoxyacetic Acid and 1,10-Phenanthroline[J]. Chinese journal of luminescence, 2010, 31(3): 405-410. DOI：

摘要

以苯氧乙酸和邻菲啰啉为配体

不同比例铽钇为中心

在无水乙醇中合成了一系列铽掺钇配合物。元素分析和稀土络合滴定推测配合物的组成为Tb

1-x

(POA)

phen·1/2H

O (POA

OCH

COO

x=1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1)。红外光谱测试表明

苯氧乙酸的羧基氧及苯氧基氧与稀土离子配位。邻菲啰啉的两个氮原子也与稀土离子配位;热分析表明:该系列配合物在274 ℃附近失去配位水

温度高于576 ℃发生氧化分解。荧光光谱测试结果表明:该系列配合物都可发出较强的特征荧光

在一定比例范围内

钇可以增强铽的发光

组成为配合物Tb

0.7

0.3

(POA)

phen·1/2H

O荧光最强;荧光寿命与荧光强度变化一致。

Abstract

A series of Y

-doped terbium complexes with phenoxyacetic acid and 1

10-phenanthroline were synthesized in anhydrous alcohol. Elemental analysis and rare earth complexometic titration showed that the composition of the complexes are Tb

1-x

(POA)

phen·1/2H

O(POA=C

OCH

COO

x=1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2 and 0.1). The IR absorption spectra indicated that the rare earth ions are bounded with the oxygen atoms of phenoxyacetic acid and phenoxy

and with two nitrogen atoms of 1

10-phenanthroline. Thermogram and thermogravimetric analysis indicated that the complexes release coordinated water at about 274 ℃ and they are stable below 576 ℃. Fluorescent spectra showed that the fluorescence intensity of the series Tb

complexes can be greatly enhanced if some of terbium ions in the complexes are substituted by Y

. The fluorescence lifetime of the complexes exhibits the similar feature to the fluorescence intensities.

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Keywords

references

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