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科学通报  2011 

两个新颖的三维稀土多羧酸配位聚合物:[Ln(ox)0.5-(bta)0.5(H2O)2]n的水热合成、结构和荧光性质

DOI: 10.1360/972010-1335, PP. 560-566

Keywords: 稀土配合物,1,2,4,5-均苯四甲酸,水热合成,晶体结构,荧光性质

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Abstract:

采用水热方法合成两种混合多羧酸稀土配位聚合物[Ln(ox)0.5-(bta)0.5(H2O)2]n(Ln=Sm(1),Gd(2))(ox=草酸,bta=1,2,4,5-均苯四甲酸),并通过元素分析、红外光谱、X射线单晶衍射及X射线粉末衍射(PXRD)对配合物进行了表征.结构分析表明,配合物1和2属同构.混合连接体1,2,4,5-均苯四甲酸和草酸连接相应的稀土金属离子,形成复杂的三维网络结构.此外,还对配合物做了热稳定性和荧光性质的研究.

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