摘要
在无水乙醇溶液中合成了铕、铽 -水杨酸 ( HSal) -邻菲罗啉 ( Phen)混合稀土配合物 ,通过元素分析 ,红外光谱 ,摩尔电导等实验 ,确定配合物的化学组成为 RE( Phen) 2 ( Sal) 2 Cl· H2 O( RE=Eu3+,Tb3+) .在 351 nm紫外光激发下 ,研究了稀土配合物的荧光 ,结果表明铕和铽之间存在相互作用 ,荧光发射强度有较大的变化 ,铕对铽具有很强的猝灭作用 ,铽对铕具有很强的敏化作用 .
In the anhydrous alcohol solution,the mixed solid complexes of Eu 3+ ,Tb 3+ Phenanthroline Salicylic Acid have been synthesized.The composition of the RE complexes are RE(Phen) 2(Sal) 2Cl·H 2O(RE=Eu 3+ ,Tb 3+ ) by the experiments of elemental alaysis,IR spectra,and mole conductivity.The fluorescence characteristics of mixed complexes were investigated.Excited by 351 nm UV light,the results of fluorescence spectra showed that there were intensive interactions between europium ions and terbium ions,the fluorescence emission intensity of europium ions were greatly sensitized by terbium ions and those of terbium ions were strongly quenched by europium ions.The red fluorescence of europium ions was emitted intensively in the mixed complexes.
出处
《内蒙古大学学报（自然科学版）》
CAS
CSCD
2000年第5期504-507,共4页
Journal of Inner Mongolia University：Natural Science Edition
关键词
稀土配合物
水杨酸
邻菲罗啉
铕
铽
合成
表征
Rare earth complexes
luminescence of Eu
3+ and Tb
3+ ions
phenanthroline
salicyclic acid
IR spectra
