La3+掺杂Eu3+偏苯三酸邻菲咯啉 三元配合物的合成和荧光性能

张 鋆; 董丽敏; 姜建新; 张显友

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La³⁺掺杂Eu³⁺偏苯三酸邻菲咯啉三元配合物的合成和荧光性能

论文 | 更新时间：2020-08-12

- La³⁺掺杂Eu³⁺偏苯三酸邻菲咯啉三元配合物的合成和荧光性能
- Synthesis and Fluorescence Properties of Eu³⁺-trimellitic Acid-1,10-phenanthroline Ternary Complexes Doped with La³⁺ Ion
- 发光学报 2010年31卷第1期页码：131-136
- 作者机构：
  
  哈尔滨理工大学材料科学与工程学院,黑龙江哈尔滨,150040
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： O482.31;O614.33
- 收稿日期：2009-07-28，
  
  修回日期：1900-01-02，
  
  网络出版日期：2010-02-20，
  
  纸质出版日期：2010-02-20
- 稿件说明：
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张鋆, 董丽敏, 姜建新, 等. La³⁺掺杂Eu³⁺偏苯三酸邻菲咯啉三元配合物的合成和荧光性能[J]. 发光学报, 2010,31(1):131-136.

ZHANG Jun, DONG Li-min, JIANG Jian-xin, et al. Synthesis and Fluorescence Properties of Eu³⁺-trimellitic Acid-1,10-phenanthroline Ternary Complexes Doped with La³⁺ Ion[J]. Chinese journal of luminescence, 2010, 31(1): 131-136.
张鋆, 董丽敏, 姜建新, 等. La³⁺掺杂Eu³⁺偏苯三酸邻菲咯啉三元配合物的合成和荧光性能[J]. 发光学报, 2010,31(1):131-136. DOI：

ZHANG Jun, DONG Li-min, JIANG Jian-xin, et al. Synthesis and Fluorescence Properties of Eu³⁺-trimellitic Acid-1,10-phenanthroline Ternary Complexes Doped with La³⁺ Ion[J]. Chinese journal of luminescence, 2010, 31(1): 131-136. DOI：

摘要

以偏苯三酸(TLA)为第一配体

邻菲咯啉(phen)为第二配体

合成了铕偏苯三酸邻菲咯啉及铕镧系列发光配合物Eu

1-x

(TLA)phen(x=0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8)。通过红外光谱、TG-DTG和扫描电子显微镜对配合物进行了表征;通过荧光光谱分析

探讨了掺杂荧光惰性离子对三元配合物的发光性能的影响。结果表明:该系列配合物均表现为强的Eu

的特征荧光

的掺入能增强配合物的的荧光强度

但发射峰的位置基本上没有变化

其中

→

和

→

的跃迁发射较强

所有掺杂配合物的荧光强度都大于未掺杂的配合物的荧光强度。

Abstract

The rare-earth complexes with aromatic carboxylic acids are a kind of good luminous materials because of the good light-emitting singleness

high luminous intensity and a high quantum efficiency. In recent years

more and more attention has been paid to the fluorescence properties of these complexes. The research showed that addition of the non-fluorescent rare-earth ions can enhance the fluorescence intensity of rare-earth complexes. The trimellitic acid

which has a variety of forms of coordination

is a good performance of the organic ligand. A lot of researches about the complexes of europium with trimellitic acid has been reported

however the study of europium-lanthanum complexes with trimellitic acid and 1

10-phenanthroline has been seldom reported. In this study

the series of solid complexes Eu

1-x

(TLA)phen(x=0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8) were obtained by the trimellitic acid

10-phennanthroline and mixed rare earth chloride of EuCl

and LaCl

in CH

OH solution. These complexes were characterized by IR spectrum

TG-DTG and SEM. The IR spectrum showed that the oxygen atoms of carboxylate and the nitrogen atoms of phen coordinate with RE

and these complexes have similar structure. The TG-DTG analysis showed that these complexes are thermally stable. The fluorescence properties of these complexes were also studied. The results indicated that the complexes can emit intense characteristic fluorescence from europium ion. The fluorescence intensities of europium ions are sensitized by the doping of lanthanum ions and the intensity of fluorescence is the best when n(Eu

) : n(La

)=0.5 ∶ 0.5

at same time the position of the emission peak does not changed.

关键词

Keywords

references

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