Synthesis and Fluorescence Properties of Complexes of Dysprosium with 2,4,6-tris-(2-pyridyl)-s-triazine

LI Hai-yan; ZHAO Yong-liang; ZHANG Yan-bing

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Synthesis and Fluorescence Properties of Complexes of Dysprosium with 2,4,6-tris-(2-pyridyl)-s-triazine

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- Synthesis and Fluorescence Properties of Complexes of Dysprosium with 2,4,6-tris-(2-pyridyl)-s-triazine
- Chinese Journal of Luminescence Vol. 32, Issue 9, Pages: 869-873(2011)
- 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： O482.31
- Received：18 May 2011，
  
  Revised：2011-6-12，
  
  Online First：22 September 2011，
  
  Published：22 September 2011
- 稿件说明：
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李海燕, 赵永亮, 张雁冰. 2,4,6-三吡啶基三嗪-芳香羧酸镝配合物的合成及其荧光性能[J]. 发光学报, 2011,32(9): 869-873

LI Hai-yan, ZHAO Yong-liang, ZHANG Yan-bing. Synthesis and Fluorescence Properties of Complexes of Dysprosium with 2,4,6-tris-(2-pyridyl)-s-triazine[J]. Chinese Journal of Luminescence, 2011,32(9): 869-873
李海燕, 赵永亮, 张雁冰. 2,4,6-三吡啶基三嗪-芳香羧酸镝配合物的合成及其荧光性能[J]. 发光学报, 2011,32(9): 869-873 DOI：

LI Hai-yan, ZHAO Yong-liang, ZHANG Yan-bing. Synthesis and Fluorescence Properties of Complexes of Dysprosium with 2,4,6-tris-(2-pyridyl)-s-triazine[J]. Chinese Journal of Luminescence, 2011,32(9): 869-873 DOI：

摘要

分别以2

6-三吡啶基三嗪(TPTZ)、对羟基苯甲酸和对苯二甲酸为配体

以Dy

为中心合成了不同组成的5种配合物。对其进行了元素分析、紫外光谱、红外光谱、荧光激发和发射光谱的测定。推测配合物的组成分别为: (1)Dy(TPTZ)(NO

)

OH )

middot;H

O;(2)Dy(TPTZ)

(NO

)

OH )

middot;H

O;(3)Dy

(TPTZ)(NO

)

OH )

middot;2H

O; (4)Dy(TPTZ)(C

)

OH)

middot;2H

O; (5)Dy

(TPTZ)

-(C

)(NO

)

OH )

middot;H

O。硝酸根的氧原子、芳香酸的羧基氧和稀土离子配位

TPTZ以主配位点和中配位点的氮原子与稀土离子成键。配合物的形成对配体的共轭

pi;-

pi;

跃迁影响不大。荧光强度测试表明

硝酸根、不同的芳香羧酸作为阴离子配体的镝配合物的发光强度有很大差别。芳香羧酸配体对镝配合物的荧光增强最大

镝离子浓度高

荧光强度也高。配合物(2)荧光强度大于配合物(1)

配合物(3)荧光强度大于配合物(2)

可见配体TPTZ多或者发光离子浓度高则配合物发光强度高;配合物(4)荧光强度强于配合物(1)

表明对羟基苯甲酸吸收和传递光能强于硝酸根;配合物(5)的荧光强度是5个配合物中最高的

表明对苯二甲酸三重态能级与Dy

的最低激发态能级匹配

对光的吸收和传递也好

同时也看出发光的Dy

离子量增加

配合物

的发光强度增强。

Abstract

paper

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Keywords

references

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