Synthesis and Luminescence Properties of Ternary Complexes of Europium with Aromatic Carboxylic Acid and Acrylonitrile
GUO Dong-cai1, 2, YI Li-ming1, SHU Wan-gen2, ZHANG Zhen-zhen1, ZENG Zhao-rong1, ZHANG Xi-qian1
1. School of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China 2. School of Chemistry and Chemical Engineering, Central Southern University, Changsha 410083, China
Abstract：Five ternary complexes were synthesized from europium with aromatic carboxylic acid(p-methylbenzoic acid, methoxybenzoic acid, m-chlorobenzoic acid and benzoic acid, p-hydroxylbenzoic acid) and acrylonitrile, and characterized by means of elemental analysis, thermal analysis, FTIR spectra and UV spectra. The fluorescence spectra show that five ternary complexes have good luminescence properties, and the sequence of the ability of the aromatic carboxylic acids to transfer light energy to europium ion is as follows: p-methylbenzoic acid＞benzoic acid＞m-chlorobenzoic acid＞p-hydroxylbenzoic acid＞methoxybenzoic acid. Meanwhile, the ternary europium complexes containing a reactive ligand acrylonitrile will possibly have a potential application to the fabrication of bonding-type europium polymer luminescent materials.
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