【作者】 赵莹； 孙波； 吴瑾光； 许振华； 姚淑心； 周维金；

【Author】 Zhao Ying,Sun Bo,Wu Jin-Guang,Xu Zhen-Hua,Yao Shu-Xin and Zhou Wei-Jin State Key Laboratory of Rare Earth Materials Chemistry and Application,College of Chemistry and Molecular Engineering,Peking University,Beijing 100871

【机构】 北京大学化学与分子工程学院,稀土材料化学及应用国家重点实验室；

【摘要】 <正>邻苯二甲酸铕或铽的固体络合物均可在紫外光激发下发出其特征的红色或绿色荧光,但对铕铽混合体系,其荧光性能相互影响的研究尚未见报道.本文以邻苯二甲酸氢钾为配体(HKL),对铕、铽两种固体络合物(Eu-L、Tb-L)以不同比例机械混合(系列1)和以不同投料比经化学作用制得的固体混合络合物(系列2)中的铕、铽荧光性能的变化进行了研究,并用红外光谱法对系列1和系列2进行了表征。更多还原

【Abstract】 In this investigation the fluorescence and FT-IR spectroscopic studies on synthesized Eu-Tb phthalate complexes and mixed solid complexes of europium and terbium phthalates were performed.The research results of the emission spectra excited by 365nm uv-light showed that the emission bands of Eu(Ⅲ)[or Tb(Ⅲ)]were shifted slightly due to the interaction between Tb(Ⅲ) and Eu(Ⅲ) ions.However,the fluorescence intensities of one rare earth ion Eu(Ⅲ)[or Tb(Ⅲ)]were strongly influenced by the other.FT-IR spectra indicated that the coordination structures of carboxyl groups,both in mechanically mixed and synthesized solid complexes,were also changed.These results suggested that there are interactions between Eu(Ⅲ) and Tb(Ⅲ) ions in these complexes.更多还原