铕-吡啶二酸配合物的合成、表征和溶液中发光性能

李 斌; 陈秋云; 张蓉仙; 付海舰; 王玲昀

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铕-吡啶二酸配合物的合成、表征和溶液中发光性能

论文 | 更新时间：2020-08-12

- 铕-吡啶二酸配合物的合成、表征和溶液中发光性能
- Synthesis, Characterization and Fluorescence Properties of A Novel Europium Complex Based on 2,2'-bipyridine- 3,3'-dicarboxylate Ligand in Solution
- 发光学报 2009年30卷第6期页码：847-851
- 作者机构：
  
  江苏大学化学化工学院,江苏镇江,212013
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： O482.31;O614.33
- 纸质出版日期：2009-12-30，
  
  网络出版日期：2009-12-30，
  
  收稿日期：2009-3-14，
  
  修回日期：1900-1-2，
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李斌, 陈秋云, 张蓉仙, 等. 铕-吡啶二酸配合物的合成、表征和溶液中发光性能[J]. 发光学报, 2009,30(6):847-851.

LI Bin, CHEN Qiu-yun, ZHANG Rong-xian, et al. Synthesis, Characterization and Fluorescence Properties of A Novel Europium Complex Based on 2,2'-bipyridine- 3,3'-dicarboxylate Ligand in Solution[J]. Chinese Journal of Luminescence, 2009,30(6):847-851.
李斌, 陈秋云, 张蓉仙, 等. 铕-吡啶二酸配合物的合成、表征和溶液中发光性能[J]. 发光学报, 2009,30(6):847-851. DOI：

LI Bin, CHEN Qiu-yun, ZHANG Rong-xian, et al. Synthesis, Characterization and Fluorescence Properties of A Novel Europium Complex Based on 2,2'-bipyridine- 3,3'-dicarboxylate Ligand in Solution[J]. Chinese Journal of Luminescence, 2009,30(6):847-851. DOI：

摘要

合成了一种新的以TTA(а-噻吩甲酰三氟丙酮)、H

bpdc(2

2'-联吡啶-3

3'-二羧酸)为配体

单一稀土Eu

的三元配合物。通过元素分析、差热分析、红外光谱、紫外光谱、发光光谱对其进行了表征。发现在中性和弱碱性条件下配合物在醇-水溶液中的发射光谱表现出较强的Eu

离子的特征发射

且Eu

离子的发光强度随pH值改变发生变化

可作为生物医学和食品检测用pH敏感的荧光探针。

Abstract

A novel europium(Ⅲ) complex was synthesized using TTA (α-thenoyltrifluoroacetone) as the first ligand and H

bpdc (2

2'-bipyridine-3

3'-dicarboxylate) as the second ligand. Elemental analysis

thermal analysis

IR and UV-Vis spectrum analysis and fluorescence spectra of the europium(Ⅲ) complex were carried out. Fluorescence properties of the complex in ethanol-aqueous solution were studied

which indicated that the europium(Ⅲ) complex exhibits a strongly characteristic red luminescence of Eu

. The Eu

emission is very sensitive to pH value

so the complex can be used as pH-dependent fluorescence probe in biomedicine and food detection.

关键词

铕配合物溶液pH敏感发光

Keywords

europium complexsolutionpH-dependent luminescence

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