The results indicate that the complexes of Sm 3+,Eu 3+,Tb 3+,Dy 3+ emit the characteristic fluorescence of rare earth ions, and the fluorescence intensity sequence is Tb>Dy>Sm>Eu.

• 结果表明 ,Sm、Eu、Tb和 Dy的配合物能发出中心离子的特征荧光 ,发光强度顺序为 Tb>Dy>Sm>Eu