铕—苯甲酸—1,10-菲咯啉的合成及谱学性质  

Synthesis and Spectroscopic Properties of Europium Complexes with Benzoic Acidand 1,10-Phenanthroline

作　　者：赵斯琴[1] 王喜贵[1] 吴红英[1] 吴哈申[1] 

机构地区：[1]内蒙古师范大学化学系,内蒙古呼和浩特010022

出　　处：《稀土》2003年第4期1-4,共4页Chinese Rare Earths

基　　金：国家自然科学基金资助项目(20161001);内蒙古自治区自然科学基金资助项目(20010901-14);内蒙古师范大学青年基金资助项目(QN00101)

摘　　要：合成了稀土元素铕( )-苯甲酸-1,10-菲咯啉的三元配合物。通过元素分析和红外光谱确定了配合物的组成为EuL3phen(L∶苯甲酸根,phen∶1,10-菲咯啉)。通过发射光谱和激发光谱的测试表明,三元配合物在579、591、614、649、690nm处产生发射峰,分别归属于Eu3+的5D0→7F0、5D0→7F1、5D0→7F2、5D0→7F3、5D0→7F4跃迁。从发射光谱的峰强和激发光谱在200nm～380nm范围内产生宽而强的吸收峰可以得出第二配体phen的加入能显著增加Eu3+的发光强度,由此说明phen的加入更有利于配体吸收能量,也有利于配体更有效地向Eu3+传递能量。另外,对三元配合物的远红外光谱和拉曼光谱进行了分析。The europium complexes with benzoic acid and 1,10-phenanthroline have been synthesized and characterized by elemental analysis and IR The compositions of complexes have been confirmed to be EuL3phen (L: benzoic acid, phen: 1,10-phenanthroline) The emission and excitation spectra of the complex have been analyzed, the ternary complexes have emission peaks at 579,591,614,649,690nm, due to 5D0 →7F0?5D0→7F1?5D0→7F2?5D0→7F3?5D0→7F4 transition The second ligand of phen enhanced the intensity of Eu3+This can be illustrated from the excitation spectra, which has a strong peak at 200～380nm It shows that the complex with phen can absorb and transfer energy more effectivelyThe far-IR and FT-Raman spectra of the ternary complex have also been discussed

关 键 词：铕配合物 苯甲酸 1 10-菲咯啉 谱学性质 

分 类 号：O614.33[理学—无机化学]