用燃烧法制备Pr3+掺杂的SrAl2O4:Eu2+、Dy3+长余辉发光粉体,研究了Pr3+掺杂对其发光性能的影响.结果表明,合成的单相SrAl2O4样品具有单斜晶系结构,荧光发射光谱是连续宽带谱,峰位于515 nm,激发光谱是峰值在320 nm和360 nm的连续宽带谱.掺杂Pr3+对形成晶粒尺寸均匀的固溶体有一定的促进作用,使其余辉初始亮度为不掺杂时的3倍.
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