含Ce^(3+),Tb^(3+)简单氟化物磷光体的荧光特性

Luminescence Characteristics of Simple Fluorides Containing Ce 3+ and Tb 3+ Ions

采用溶液反应和固相反应合成了ＣａＦ２Ｃｅ，Ｔｂ和ＡｌＦ３Ｃｅ，Ｔｂ磷光体，研究了它们的光谱特性。结果发现，在ＣａＦＣｅ，Ｔｂ和ＡｌＦ３Ｃｅ，Ｔｂ中Ｃｅ３＋对Ｔｂ３＋的能量传递不能有效进行，有时Ｔｂ３＋甚至对Ｃｅ３＋起猝灭作用。

A series of phosphors containing Ce 3+ ,Tb 3+ ions in CaF 2 and AlF 3 were synthesized in a solution reaction and solid reaction method.Their excitation and emission spectra were determined.The results indicated that Ce 3+ could not effectively transfer energy to Tb 3+ in matrix CaF 2 and AlF 3 and enhance the emission of Tb 3+ significantly.