重稀土2-噻吩甲酸配合物的合成及Tb^(3+)的发光  

Synthesis and characterization of 2-thiophencarboxylic acid complexes with heavy rare earth and fluorescence spectrum of Tb(Ⅲ) complex

作　　者：宝金荣[1] 朱晓伟[2] 王智亮[1] 布仁[2] 

机构地区：[1]内蒙古大学化学化工学院,内蒙古呼和浩特010021 [2]内蒙古医学院药学院,内蒙古呼和浩特010058

出　　处：《化学试剂》2006年第8期489-490,共2页Chemical Reagents

基　　金：内蒙古大学青年基金(nd200160)资助

摘　　要：合成了4种稀土与2-噻吩甲酸(L)配合物。通过元素分析、稀土配合滴定及摩尔电导确定其化学组成为REL3.2H2O(RE=Gd,Tb,Dy,Er),并对配合物进行了红外光谱、荧光激发和发射光谱测定。红外光谱测定表明,配体通过羧基以螯合双齿的方式与稀土离子(Ⅲ)配位成键。荧光光谱数据表明,铽配合物具有良好的荧光性能。REL3·2H2O（ RE = Gd, Th, Dy, Er; L = C4H3SCOOH） have been synthesized. The composition of the complexes were determined by elemental analysis, coordination titration, molar conductivity studies. The ligand and coordination compounds have been studied by means of IR spectra and the Th（ Ⅲ ） coordination compound has been studied by means of fluorescent excitation and emission spectra. IR spectra suggested that the carbonyl group in the ligand coordinated with RE^3＋ by bidentate-chelation. Fluorescence spectra indicated that Th（ Ⅲ ） complex had strong fluorescence.

关 键 词：2-噻吩甲酸 重稀土配合物 合成 荧光 

分 类 号：O614.33[理学—无机化学]