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Synthesis,Characterization and Fluorescence Study of the Mixed Complexes of Europium, Terbium-Phenanthroline-Salicylic Acid
Author(s): 
Pages: 504-507
Year: Issue:  5
Journal: ACTA SCIENTIARUM NATURALIUM UNIVERSITATIS NEIMONGOL

Keyword:  稀土配合物Eu3+和Tb3+的发光水杨酸邻菲罗啉红外光谱;
Abstract: 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)2Cl·H2O(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.实验证明该混合配合物可以发出强度很高的红色荧光.
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