Tm~(3+)对甲基苯甲酰甲基亚砜高氯酸铽配合物的荧光增强效应
Chinese Rare Earths(2006)
Abstract
合成了六种不同掺杂比例的稀土高氯酸盐(铽掺铥)与甲基苯甲酰甲基亚砜的固态配合物,经元素分析、稀土络合滴定确定其组成为:(T bxTmy)(C lO4)3.L5.C2H5OH(x∶y=1.000∶0.000,0.999∶0.001,0.995∶0.005,0.990∶0.010,0.950∶0.050,0.900∶0.100)。荧光光谱测定结果表明,将铥掺入铽后,可大大提高配合物中铽离子的荧光发射强度,当x∶y=0.995∶0.005时敏化强度最大,可使配合物的荧光强度增加到147%。并且在本文所研究的掺杂比例范围内,配合物中Tm3+对T b3+的发光一直起敏化作用。
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Key words
fluorescence enhance effect,methyl-phenacyl sulfoxide,terbium perchlorate,synthesis
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