Syntheses and fluorescent properties of complexes of Eu(Ⅲ) with HTTA,TPPO and benzoic acid
来源期刊：Journal of Rare Earths2009年第3期
论文作者：湛雪辉 肖忠良 湛含辉 赵学辉 周随安 李飞
文章页码：368 - 371
摘 要：A series of Eu（Ⅲ） complexes of α-thenoyltrifluoroacetone（HTTA） with trioctylphosphine oxide（TPPO） and benzoic acid（BA） or its two derivatives,p-toluic acid（PTA） and p-methoxybenzoic acid（POA） were synthesized and were characterized with elemental analysis,IR spectroscopy,scanning electronic microscopy and fluorescent spectra. The complexes were revealed to be Eu（BA）（TTA） 2TPPO2,Eu（PTA）（TTA） 2TPPO2 and Eu（POA）（TTA） 2TPPO2. The excitation and absorption spectra of the complex Eu（POA）（TTA） 2TPPO2 in MeOH solution were investigated in detail. The experimental result showed that relatively cheap materials with sharp red luminescence could be pre-pared,when benzoic acid or its two derivatives were added in Eu（Ⅲ） complexes of α-thenoyltrifluoroacetone with trioctylphosphine oxide. The relative fluorescence intensity of the Eu（Ⅲ） complexes decreased in the following order:Eu（POA）（TTA） 2TPPO2> Eu（PTA）（TTA） 2TPPO2>Eu（BA）（TTA） 2TPPO2.
湛雪辉1，肖忠良1，湛含辉2，赵学辉2，周随安1，李飞1
1. Chemical and Environmental Engineering School,Changsha Science and Technical University2. Environmental Protection Research Institute,Hunan University of Technology
摘 要：A series of Eu（Ⅲ） complexes of α-thenoyltrifluoroacetone（HTTA） with trioctylphosphine oxide（TPPO） and benzoic acid（BA） or its two derivatives,p-toluic acid（PTA） and p-methoxybenzoic acid（POA） were synthesized and were characterized with elemental analysis,IR spectroscopy,scanning electronic microscopy and fluorescent spectra. The complexes were revealed to be Eu（BA）（TTA） 2TPPO2,Eu（PTA）（TTA） 2TPPO2 and Eu（POA）（TTA） 2TPPO2. The excitation and absorption spectra of the complex Eu（POA）（TTA） 2TPPO2 in MeOH solution were investigated in detail. The experimental result showed that relatively cheap materials with sharp red luminescence could be pre-pared,when benzoic acid or its two derivatives were added in Eu（Ⅲ） complexes of α-thenoyltrifluoroacetone with trioctylphosphine oxide. The relative fluorescence intensity of the Eu（Ⅲ） complexes decreased in the following order:Eu（POA）（TTA） 2TPPO2> Eu（PTA）（TTA） 2TPPO2>Eu（BA）（TTA） 2TPPO2.
关键词：
