Synthesis and characterization of the luminescent lanthanide complexes with two similar benzoic acids

被引：28

作者：

Liu, Tonghuan ^{[1
]}

Duan, Guojian ^{[1
]}

Zhang, Yaping ^{[1
]}

Fang, Jian ^{[1
]}

Zeng, Zhengzhi ^{[1
]}

机构：

[1] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2009年 / 74卷 / 04期

基金：

中国国家自然科学基金;

关键词：

2-((4-Merhoxyphenoxy) carbonyl) benzoic acid; 2-(1-Methoxyvinyl) benzoic acid; FTIR; H-1; NMR; UV; Luminescent properties; TERNARY COMPLEXES; FLUORESCENCE; COORDINATION; EUROPIUM; TERBIUM; EU(III); LIGANDS; DESIGN; IONS; EU3+;

D O I：

10.1016/j.saa.2009.06.062

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

2-((4- Methoxyphenoxy) carbonyl) benzoic acid, 2-(1-methoxyvinyl) benzoic acid and their rare earth complexes LnL(2)(OH) 3H(2)O (Ln = La, Eu, Tb) were synthesized and characterized by means of elemental analysis. FTIR, H-1 NMR. UV and luminescence spectroscopy The FTIR and H-1 NMR results show that the carboxylic groups in the complexes coordinated to the rare earth ions in the form of one dentate, and the ester carboxylic groups have taken part in the coordination Among these complexes, Eu(III) complexes and Tb(III) complexes exhibit characteristic fluorescence with comparatively high brightness and good monochromaticity. which indicated that the ligands of HLI and HLII are good organic chromophore to absorb and transfer energy to metal ions (C) 2009 Elsevier B.V. All rights reserved

引用

页码：843 / 848

页数：6

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