苯基苯甲酰甲基亚砜重稀土高氯酸配合物的合成、表征及铽、镝的发光

Synthesis and Characterization of Phenyl-phenacyl Sulfoxide Complexes with Heavy Rare Earth and Luminescence of Tb^(3+) and Dy^(3+)

合成并表征了重稀土高氯酸盐与苯基苯甲酰甲基亚砜的四种固态配合物。经元素分析及差热-热重分析表明,配合物的组成为:RE(ClO4)3·L5·2H2O(RE=Tb,Dy,Er,Yb)。红外光谱及核磁共振氢谱表明,配体通过一个羰基氧和一个亚砜基氧与稀土离子配位。在丙酮溶液中测定的摩尔电导率表明,三个ClO4-,其中两个在内界,一个在外界。铽、镝配合物的荧光光谱表明,配体对铽(Ш)、镝(Ш)的荧光具有较强的敏化作用。

Four solid complexes of heavy rare earth perchlorate with phenyl-phehacyl sufoxide(L=C6H5COCH2SOC6H5) had been synthesized and characterized Elemental analysis and TG-DTA studies suggested that the complexes had the composition of RE(ClO4)3·L5·2H2O (RE=Td,Dy,Er,Yb)IR spectra and 1 HNMR studies indicated that the ligand was bonded with RE3+ though one oxygen atom in carbonyl group and one oxygen atom in sulfoxyl group The molar conductivities indicated that two inorganic anions ClO4- were coordinated and one did notFluorescence spectra of Tb3+,Dy3+ complexes showed that the ligand had a good sensitization effect to the fluorescence of Tb3+,Dy3+ complexes