对氯苯甲酸-2,4,6-三吡啶基三嗪稀土配合物的合成、表征及发光性能

周永生; 赵永亮; 胥佳颖; 杜 燕; 李欢欢; 魏晓燕; 马瑞军

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对氯苯甲酸-2,4,6-三吡啶基三嗪稀土配合物的合成、表征及发光性能

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- 对氯苯甲酸-2,4,6-三吡啶基三嗪稀土配合物的合成、表征及发光性能
- Synthesis, Characterization and Fluorescence Properties of Rare Earth with p-Chloro-benzoic Acid and 2,4,6-Tris-(2-pyridyl)-s-triazine
- 发光学报 2010年31卷第5期页码：661-666
- 作者机构：
  
  1. 北京大学稀土材料化学及应用国家重点实验室
  2. 内蒙古大学化学化工学院
- 作者简介：
- 基金信息：
  
  国家自然科学基金(20461002)();内蒙古自然科学基金(200711020203)资助项目()
- DOI：
  中图分类号： O482.31
- 收稿：2009-08-06，
  
  修回：2009-10-16，
  
  网络首发：2010-09-21，
  
  纸质出版：2010-09-21
- 稿件说明：
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周永生, 赵永亮, 胥佳颖, 杜燕, 李欢欢, 魏晓燕, 马瑞军. 对氯苯甲酸-2,4,6-三吡啶基三嗪稀土配合物的合成、表征及发光性能[J]. 发光学报, 2010,31(5): 661-666

ZHOU Yong-sheng, ZHAO Yong-liang, XU Jia-ying, DU Yan, LI Huan-huan, WEI Xiao-yan, MA Rui-jun. Synthesis, Characterization and Fluorescence Properties of Rare Earth with p-Chloro-benzoic Acid and 2,4,6-Tris-(2-pyridyl)-s-triazine[J]. 发光学报, 2010,31(5): 661-666
周永生, 赵永亮, 胥佳颖, 杜燕, 李欢欢, 魏晓燕, 马瑞军. 对氯苯甲酸-2,4,6-三吡啶基三嗪稀土配合物的合成、表征及发光性能[J]. 发光学报, 2010,31(5): 661-666 DOI：

ZHOU Yong-sheng, ZHAO Yong-liang, XU Jia-ying, DU Yan, LI Huan-huan, WEI Xiao-yan, MA Rui-jun. Synthesis, Characterization and Fluorescence Properties of Rare Earth with p-Chloro-benzoic Acid and 2,4,6-Tris-(2-pyridyl)-s-triazine[J]. 发光学报, 2010,31(5): 661-666 DOI：

摘要

以对氯苯甲酸为第一配体

6-三吡啶基三嗪(TPTZ)为第二配体

分别以铕、铽和镝为中心

合成了10种稀土配合物

并进行了元素分析、稀土络合滴定、等离子光谱、紫外光谱、红外光谱和发光光谱测定。配合物的组成为:

(p-ClBA)

(TPTZ)

middot;2H

O和

0.5

(p-ClBA)

(TPTZ)

middot;2H

=Eu

;

=La

;p-ClBA=对氯苯甲酸根;TPTZ=2

6-三吡啶基三嗪)

均为非电解质;对氯苯甲酸的羧基氧原子与稀土离子配位

6-三吡啶基三嗪以主配位点上的3个氮原子与稀土离子配位;铕配合物的发光强度大于铽配合物的

镝配合物发光最弱;在上述3种发光稀土配合物中分别掺入发光惰性稀土离子镧、钆及钇后

发光强度有不同改变

掺入镧可明显增强铕、铽的发光强度

钆可敏化铕、铽和镝的发光

而钇的敏化作用较弱。表明:掺杂配合物并不完全是两种简单配合物的机械混合

而是有混配配合物生成。

Abstract

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Keywords

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