Influence of Different Organic Bases on The Luminescence Properties of Europium Complexes with 2-Hydroxyquinoline-4-Carboxylic Acid

ZHU Qian-hua

doi:10.3788/fgxb20153607.0763

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Influence of Different Organic Bases on The Luminescence Properties of Europium Complexes with 2-Hydroxyquinoline-4-Carboxylic Acid

更新时间：2020-08-12

- Influence of Different Organic Bases on The Luminescence Properties of Europium Complexes with 2-Hydroxyquinoline-4-Carboxylic Acid
- Chinese Journal of Luminescence Vol. 36, Issue 7, Pages: 763-768(2015)
- 作者机构：
  
  无机特种功能材料重庆市重点实验室长江师范学院化学化工学院重庆,408100
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20153607.0763
  CLC： O482.31
- Received：31 March 2015，
  
  Revised：28 April 2015，
  
  Published Online：08 May 2015，
  
  Published：03 July 2015
- 稿件说明：
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朱乾华,. 不同有机碱对铕-2-羟基喹啉-4-羧酸配合物发光性能的影响[J]. 发光学报, 2015,36(7): 763-768

ZHU Qian-hua,. Influence of Different Organic Bases on The Luminescence Properties of Europium Complexes with 2-Hydroxyquinoline-4-Carboxylic Acid[J]. Chinese Journal of Luminescence, 2015,36(7): 763-768
朱乾华,. 不同有机碱对铕-2-羟基喹啉-4-羧酸配合物发光性能的影响[J]. 发光学报, 2015,36(7): 763-768 DOI： 10.3788/fgxb20153607.0763.

ZHU Qian-hua,. Influence of Different Organic Bases on The Luminescence Properties of Europium Complexes with 2-Hydroxyquinoline-4-Carboxylic Acid[J]. Chinese Journal of Luminescence, 2015,36(7): 763-768 DOI： 10.3788/fgxb20153607.0763.

摘要

分别在有机碱三乙胺、三丙胺和三丁胺的作用下

使用2-羟基喹啉-4-羧酸(H

hqc) 与EuCl

O反应制备了3种配合物Eu(Hhqc)

(TEL)、Eu(Hhqc)

(TPL) 和Eu(Hhqc)

(TBL)。通过元素分析、热重分析、摩尔电导率、紫外光谱、荧光光谱、荧光寿命和量子产率等对配合物进行了表征。所有配合物均在580

592

613

654

702 nm附近产生5条谱带

为Eu

的特征发射

归属为

(

4)能级间的跃迁

荧光寿命分别为2.22

3.29

3.31 ms

量子产率分别为0.011

0.019

0.028。随着有机胺碳链长度的增加

配合物的荧光强度依次增大

表明有机碱参与了配合物的分子组成。

Abstract

Three kinds of Europium complexes

Eu(Hhqc)

(TEL)

Eu(Hhqc)

(TPL) and Eu-(Hhqc)

(TBL) were synthesized by the reaction of 2-hydroxyquinoline-4-carboxylic acid (H

hqc) with EuCl

O under the treatment with triethylamine (TEL)

tripropylamine (TPL) and tributylamine (TBL)

respectively. Three complexes were characterized by elemental analysis

thermogravimetric analysis

molar conductivity

UV spectra

fluorescence spectra

fluorescence life-time and quantum yield methods. Each complex shows five emission bands at 580

592

613

654

702 nm

which are assigned to the characteristic emission

(

4) transitions of Eu

. The fluorescence life-times are 2.22

3.29

3.31 ms

the quantum yields are 0.011

0.019

and 0.028 for Eu(Hhqc)

(TEL)

Eu(Hhqc)

(TPL) and Eu(Hhqc)

(TBL)

respectively. The fluorescent intensities increase with the increasing of carbon chain length of the organic bases

indicating the organic bases are involved in the formation of europium complexes.

关键词

Keywords

references

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