Synthesis and Optical Properties of Complexes of Terbium with Aromatic Compounds and Succinic Acid

TAN Hui; WANG Li-ying; ZHOU Yue; GOU Li-ning; WU Pan-liang; GUO Dong-cai

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Synthesis and Optical Properties of Complexes of Terbium with Aromatic Compounds and Succinic Acid

paper | 更新时间：2020-08-12

- Synthesis and Optical Properties of Complexes of Terbium with Aromatic Compounds and Succinic Acid
- Chinese Journal of Luminescence Vol. 30, Issue 1, Pages: 101-107(2009)
- 作者机构：
  
  湖南大学化学化工学院,湖南长沙,410082
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31;O614.33
- Received：25 August 2008，
  
  Revised：02 January 1900，
  
  Published Online：20 February 2009，
  
  Published：20 February 2009
- 稿件说明：
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TAN Hui, WANG Li-ying, ZHOU Yue, et al. Synthesis and Optical Properties of Complexes of Terbium with Aromatic Compounds and Succinic Acid[J]. Chinese journal of luminescence, 2009, 30(1): 101-107.
DOI：

TAN Hui, WANG Li-ying, ZHOU Yue, et al. Synthesis and Optical Properties of Complexes of Terbium with Aromatic Compounds and Succinic Acid[J]. Chinese journal of luminescence, 2009, 30(1): 101-107. DOI：

摘要

以苯甲酸及其衍生物为第一配体、丁二酸为第二配体

在非水性溶剂条件下合成了6种新的铽三元荧光配合物。利用元素分析、EDTA配位滴定分析、红外光谱和紫外吸收光谱分析对目标物的组成与结构进行了表征

并研究了其发光性能和热稳定性。结果表明:丁二酸的引入显著地加强了各第一配体向中心铽离子传递能量的能力

其传递能量的顺序为:对氯苯甲酸＞间氯苯甲酸＞大茴香酸＞对甲基苯甲酸＞苯甲酸＞对羟基苯甲酸。目标配合物与其相对应的二元配合物比较荧光强度有了显著的提高。

Abstract

Six new ternary complexes of terbium were synthesized with benzoic acid or its derivatives as the first ligand and succinic acid as the second ligand under the condition of non-aqueous solution. The structure and composition of the title complexes were characterized by means of elemental analysis

EDTA titrimetric method

UV spectra and IR spectra. The fluorescence properties and thermal stability of the title complexes were also studied. The results show that the induction of succinic acid can greatly increase the ability of the first lignd transfering light energy to the central terbium ion. The sequence of energy transmission is as follows:p-chlorobenzoic acid >m-chlorobenzoic acid> anisic acid＞p-toluic acid＞benzoic acid＞p-hydroxylbenzoic acid. The title complexes have much higher luminescence intensity than their corresponding binary complexes.

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references

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