Synthesis and Fluorescence Properties of Terbium and Samarium Complexes with 2, 4, 6-Tri(2-pyridyl)-1, 3, 5-triazine

WANG Ai-ling; LI Hai-yan; ZHANG Hai-xia; DU Yan; YUE Bin; CHU Hai-bin; ZHAO Yong-liang

doi:10.3788/fgxb20133410.1339

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Synthesis and Fluorescence Properties of Terbium and Samarium Complexes with 2, 4, 6-Tri(2-pyridyl)-1, 3, 5-triazine

更新时间：2020-08-12

- Synthesis and Fluorescence Properties of Terbium and Samarium Complexes with 2, 4, 6-Tri(2-pyridyl)-1, 3, 5-triazine
- Chinese Journal of Luminescence Vol. 34, Issue 10, Pages: 1339-1345(2013)
- 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：10.3788/fgxb20133410.1339
  CLC： O614.33
- Received：14 May 2013，
  
  Revised：10 August 2013，
  
  Published：10 October 2013
- 稿件说明：
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王爱玲, 李海燕, 张海霞, 杜燕, 岳彬, 褚海斌, 赵永亮. 2, 4, 6-三吡啶基三嗪-铽、钐配合物的合成、表征及荧光性能研究[J]. 发光学报, 2013,34(10): 1339-1345

WANG Ai-ling, LI Hai-yan, ZHANG Hai-xia, DU Yan, YUE Bin, CHU Hai-bin, ZHAO Yong-liang. Synthesis and Fluorescence Properties of Terbium and Samarium Complexes with 2, 4, 6-Tri(2-pyridyl)-1, 3, 5-triazine[J]. Chinese Journal of Luminescence, 2013,34(10): 1339-1345
王爱玲, 李海燕, 张海霞, 杜燕, 岳彬, 褚海斌, 赵永亮. 2, 4, 6-三吡啶基三嗪-铽、钐配合物的合成、表征及荧光性能研究[J]. 发光学报, 2013,34(10): 1339-1345 DOI： 10.3788/fgxb20133410.1339.

WANG Ai-ling, LI Hai-yan, ZHANG Hai-xia, DU Yan, YUE Bin, CHU Hai-bin, ZHAO Yong-liang. Synthesis and Fluorescence Properties of Terbium and Samarium Complexes with 2, 4, 6-Tri(2-pyridyl)-1, 3, 5-triazine[J]. Chinese Journal of Luminescence, 2013,34(10): 1339-1345 DOI： 10.3788/fgxb20133410.1339.

摘要

分别以对羟基苯甲酸、对苯二甲酸和2

6-三吡啶基三嗪为配体

铽、钐为中心合成了两个系列共10种配合物。对所合成的配合物进行了元素分析、电导率测定、紫外光谱和红外光谱的测试

推测其组成分别为:

(TPTZ)(NO

)

OH)H

(TPTZ)

(NO

)

OH)H

(TPTZ)(NO

)

OH)2H

(TPTZ)(C

)

OH)2H

O和

(TPTZ)

)(NO

)

OH)H

O (

=Tb

Sm)。硝酸根、芳香酸的氧原子以及TPTZ的主配位点氮原子与稀土离子成键。对羟基苯甲酸的三重态能级及配合物的荧光测试表明

虽然对羟基苯甲酸三重态能级低于Tb

和Sm

离子的最低激发态能级

但该配体和具有芳香环的配体TPTZ耦合

能与Tb

和Sm

离子形成发光较好的稀土配合物。对苯二甲酸对铽和钐配合物的荧光增强最大

同时

稀土离子浓度高则荧光强度也高

在这两个系列配合物中未见浓度猝灭现象。

Abstract

A series of terbium and samarium complexes with 2

6-tri(2-pyridyl)-1

5-triazine (TPTZ)

nitrate

p-hydroxybenzoic acid and terephthalic acid have been synthesized

respectively. Their compositions were supposed to be

(TPTZ)(NO

)

OH)H

(TPTZ)

(NO

)

OH)H

(TPTZ)(NO

)

OH)2H

(TPTZ)(C

)

OH)2H

and

(TPTZ)

)(NO

)

OH)H

O (

=Tb

Sm). The fluorescence excitation and emission spectroscopy showed that TPTZ was a kind of highly efficient sensitizer. And the ability of absorbing and transferring energy for terephthalic acid was the strongest and that of nitrate was the weakest among the three anion ligands. Moreover

the phosphorescence spectrum of p-hydroxybenzoic acid was measured and the triplet energy level was lower than the lowest excitation state energy level of Tb

and Sm

. However

the acid could enhance the fluorescent emission intensities of the corresponding complexes

and the luminescent mechanism is deeply discussed.

关键词

Keywords

references

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