Synthesis and Luminescence Study of Europium Complexes with Carboxylic Acid and 1,10-Phenanthroline Ligands

Chemical Research in Chinese Universities ›› 1993, Vol. 9 ›› Issue (3): 181-187.

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Synthesis and Luminescence Study of Europium Complexes with Carboxylic Acid and 1,10-Phenanthroline Ligands

QIAN Dong-jin¹, ZHANG Shu-zhen¹, CHEN Zhong², J. Van Houten³

1. Department of Chemistry, Shandong University, Jinan, 250100;
2. Department of Chemistry, Teachers College, Yangzhou University, Yangzhou, 225002;
3. Department of Chemistry, St. Michael's College, Winooski Park, Colchester, VT05439, U. S. A.

Received:1992-05-15 Online:1993-08-24 Published:2011-08-17
Supported by:
Supported by the National Natural Science Foundation of China,St.Michael's College;the National Science Foundation,R11-8610679(Vermont EPSCOR),U.S.A.

Abstract

Abstract: A series of euroPium(Ⅲ)eomPlexes with earboxylie aeids andl,10-Phenanthro-line:Eu(L)₃:·phen·xH₂O,where L-formate,3-hydroxy-4-metlloxybenzoate,4-methoxybenzoate,4-ehlorophenoxyaeetate,and diphenylaeetate,were synthesized and characterized by elemental analysis,UV spectrum,IR speetrum and melting point.IR data confirmed that europium is coordinated with O donor atoms in carboxylic acid and N donor atoms in 1,10-phenanthroline.A strong ligand-loealized absorption at 270 nm led to a series of metal-centered emission bands between 580 and 710 nm as-signed to ⁵D₀-⁷F_0.1.2.3.

Key words: Europium complexes, Synthesis, Luminescence study

QIAN Dong-jin, ZHANG Shu-zhen, CHEN Zhong, J. Van Houten. Synthesis and Luminescence Study of Europium Complexes with Carboxylic Acid and 1,10-Phenanthroline Ligands[J]. Chemical Research in Chinese Universities, 1993, 9(3): 181-187.

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Synthesis and Luminescence Study of Europium Complexes with Carboxylic Acid and 1,10-Phenanthroline Ligands

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