应用化学

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Schiff碱铕配合物的合成及性质

陈冬梅1*,杨一心2   

  1. (1.天水师范学院生命科学与化学学院 天水 741001;2.西北大学化学与材料科学学院 西安 710069)
  • 收稿日期:2011-08-08 修回日期:2012-01-11 出版日期:2012-07-10 发布日期:2012-07-10
  • 通讯作者: 陈冬梅,讲师; Tel:0938-2852499; E-mail:cdmei-812@163.com; 研究方向:稀土配位化学
  • 基金资助:
    甘肃省自然科学基金(1010RJGE030)资助项目

Synthesis and Properties of Schiff Base Europium Complex

CHEN Dongmei1*, YANG Yixin2   

  1. (1.School of Life Science and Chemistry,Tianshui Normal University,Tianshui 741001,China;
    2.College of Chemistry and Materials Science,Northwest University,Xi′an 710069,China)
  • Received:2011-08-08 Revised:2012-01-11 Published:2012-07-10 Online:2012-07-10

摘要: 在甲醇中合成了2-乙酰基苯并咪唑缩牛磺酸Schiff碱型配体及其与Eu(Ⅲ)的配合物。 通过Eu化学和元素分析、质谱、核磁共振谱、红外光谱、激光拉曼光谱、三维荧光光谱,确定了配体与配合物的组成及结构。 Eu(Ⅲ)配合物为Eu2L3(NO3)3(L=C11H12N3O3S)。 配合物荧光发射主要是Eu3+微扰的配体发光,其次为中心Eu3+离子的窄带发射。 当λex=330.0 nm时,配合物发射Eu3+离子的特征窄带荧光;当λex=410.0 nm时,Eu3+发射λem=525.0 nm的荧光。

关键词: 乙酰基苯并咪唑缩牛磺酸Schiff 碱, 稀土配合物, 三维荧光激发和发射光谱

Abstract: The Eu(Ⅲ) complex and new Schiff base ligand of taurine and 2-acetylbenzimidazole were synthesized in methyl alcohol. The structure of the complex was determined as Eu2L3(NO3)3(L=C11H12N3O3S) by chemical and elemental analysis, 1H NMR, IR, mass spectrometry, laser Raman and three-dimension fluorescene spectrometry. The main fluorescence emission of the complex was Eu3+ perturbation ligand to light-emitting, along with the Eu3+ center narrow-band luminescence. When the λex=330.0 nm, the Eu3+ ion narrow-band fluorescence is emitted; when λex=410.0 nm, the Eu3+ produces the 525.0 nm emission band.

Key words: acetylbenzimidazole and Taurine Schiff Base, lanthanide complex, Three-dimensional fluorescence excitation and emission spectra

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