Synthesis and Properties of Ternary Terbium Complexes with Halogen-benzoic Acid and 1, 10-phenanthroline

XU Li-juan; WANG Rui-fen; ZHAO Na; WANG Shu-ping; ZHANG Jian-jun

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Synthesis and Properties of Ternary Terbium Complexes with Halogen-benzoic Acid and 1, 10-phenanthroline

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- Synthesis and Properties of Ternary Terbium Complexes with Halogen-benzoic Acid and 1, 10-phenanthroline
- Chinese Journal of Luminescence Vol. 28, Issue 5, Pages: 781-787(2007)
- 作者机构：
  
  1. 河北师范大学, 实验中心,河北石家庄,050016
  2. 河北师范大学, 化学与材料科学学院, 河北, 石家庄, 050016
- 作者简介：
- 基金信息：
- DOI：
  CLC： O641.4;O482.31
- Received：15 January 2007，
  
  Revised：02 March 2007，
  
  Published：20 September 2007
- 稿件说明：
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徐丽娟, 王瑞芬, 赵娜, 王淑萍, 张建军. 卤代苯甲酸铽与1, 10-邻菲哕啉三元配合物的合成及性质[J]. 发光学报, 2007,28(5): 781-787

XU Li-juan, WANG Rui-fen, ZHAO Na, WANG Shu-ping, ZHANG Jian-jun. Synthesis and Properties of Ternary Terbium Complexes with Halogen-benzoic Acid and 1, 10-phenanthroline[J]. Chinese Journal of Luminescence, 2007,28(5): 781-787
徐丽娟, 王瑞芬, 赵娜, 王淑萍, 张建军. 卤代苯甲酸铽与1, 10-邻菲哕啉三元配合物的合成及性质[J]. 发光学报, 2007,28(5): 781-787 DOI：

XU Li-juan, WANG Rui-fen, ZHAO Na, WANG Shu-ping, ZHANG Jian-jun. Synthesis and Properties of Ternary Terbium Complexes with Halogen-benzoic Acid and 1, 10-phenanthroline[J]. Chinese Journal of Luminescence, 2007,28(5): 781-787 DOI：

摘要

以卤代苯甲酸和1

10-邻菲哕啉为配体

合成了9种Tb(Ⅲ)的三元配合物

以EDTA配位滴定分析和元素分析确定了各配合物的组成。通过红外光谱分析对配合物的结构进行了初步表征

在配合物中羧基氧原子和1

10-邻菲啰啉中的氮原子均参与了配位。采用TG-DTG技术对配合物的热稳定性进行了研究

9种配合物均有较好的热稳定性

它们的热稳定性顺序为:Tb(o-ClBA)

phen

Tb(o-BrBA)

phen

Tb(p-ClBA)

phen

Tb(m-BrBA)

phen·H

Tb(o-FBA)

phen

Tb(p-BrBA)

phen

Tb(p-FBA)

phen

Tb(m-ClBA)

phen≈Tb(m-FBA)

phen·H

O。在同一条件下测得了各配合物固体粉末的激发和发射光谱

结果表明:相同取代基和相同取代位置的各组配合物的两个较强发射峰(

和

)的荧光强度顺序分别为:Tb(o-FBA)

phen

Tb(p-FBA)

phen

Tb(m-FBA)

phen·H

Tb(m-ClBA)

phen

Tb(p-ClBA)

phen

Tb (o-ClBA)

phen

Tb(p-BrBA)

phen

Tb(o-BrBA)

phen

Tb(m-BrBA)

phen·H

O和Tb(o-FBA)

phen

Tb (o-BrBA)

phen

Tb(o-ClBA)

phen

Tb(m-ClBA)

phen

Tb(m-FBA)

phen·H

Tb(m-BrBA)

phen·H

Tb(p-BrBA)

phen

Tb(p-ClBA)

phen

Tb(p-FBA)

phen[其中o(m

p)-F(Cl

Br)BA为邻(间

对)氟(氯

溴)苯甲酸根

phen为1

10-邻菲哕啉]。

Abstract

The rare-earth carboxylate complexes are a kind of good luminous materials.With the tremendous progress of OEL

the research of rare-earth carboxylate complexes as electroluminescent device emitting layer material is increasing.The application prospects of these complexes become more and more broad.Tb (Ⅲ) earboxylate complexes are a kind of good green luminescence material.In our previous work

we found that some neutral conjugated heterocyclic ligands (such as phen or bipy) can enhance the luminescent intensity to some extent in Tb (Ⅲ) aromatic carboxylate compounds.In these studies about rare-earth aromatic carboxylate complexes

a lot of researches about the complexes of terbium with carboxylate have been reported

but the study of terbium complexes with halogen-benzoic acids as the first ligand is seldom reported.In order to compare the properties of the complexes in series

nine ternary complexes of rare-earth halogen-benzoic acids with 1

10-phenanthroline were synthesized in this paper.These complexes were characterized by elemental analysis

IR and TG-DTG methods.In these complexes

the Tb (Ⅲ) ions are bonded to the oxygen atoms of carboxylate and the nitrogen atoms of phen.The TG-DTG analysis showed that these complexes are thermally stable.The stability order of the complexes is:Tb (o-CIBA)

phen

Tb (o-BrBA)

phen

Tb (p-CIBA)

phen

Tb(m-BrBA)

phen·H

Tb(o-FBA)3phen

Tb(p-BrBA)

phen

Tb (p-FBA)

phen

Tb (m-ClBA)

phen≈Tb(m-FBA)

phen·H

O.Their excitation and luminescence spectra were performed under identical conditions and instrumental parameters at room temperature.The results indicate that the fluores-cence intensity changes with the different substituent on the benzene ring or the same substituent in different positions.The order of their fluorescence intensity is Th (o-FBA)

phen

Th (p-FBA)

phen

Tb (m-FBA)

phen·H

Tb(m-ClBA)

phen

Tb(p-ClBA)

phen

Tb(o-CIBA)

phen

Tb(p-BrBA)

phen

Tb (o-BrBA)

phen

Tb (m-BrBA)

phen·H

O;Tb (o-FBA)

phen

Tb (o-BrBA)

phen

Tb (o-ClBA)

phen

Tb (m-ClBA)

phen

Tb (m-FBA)

phen·H

Th (m-BrBA)

phen

Tb (p-BrBA)

phen

Tb (p-ClBA)

phen

Th (p-FBA)

phen [o(m

p)-F(Cl

Br) BA:(0 (m

p)-Fluorobenzoic (Chlorobenzoic

Bromo-benzoic) acid;phen:1

10-phenanthroline].

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Related Institution

Collage of Materials Science and Engineering, Changchun University of Science and Technology

Department of Chemistry, Zhongshan University

Changchun Institute of Physics, Chinese Academy of Sciences, Changchun 130021

Department of Chemistry, Zhongshan Uniursity

School of Materials Science and Engineering, Changchun University of Science and Technology

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