采用高温固相法制备了Sr0.96Al2O4:Eu0.02,Dy0.02,B0.08长余辉发光材料.利用XRD衍射仪、荧光分光光度计和热释光计量仪对样品进行了测试.对余辉衰减曲线的拟合表明,余辉曲线中的快衰减过程与V0(..)陷阱有关,而慢衰减过程源于Eu(.)Sr和Dy(.)Sr陷阱中的电子释放；随着球磨时间的增加,Dy(.)Sr陷阱浓度也随之增加.热释光光谱的曲线拟合表明,热释光峰反映的是Dy(.)Sr陷阱的特性；当陷阱浓度相差不大时,动力学级次越小,陷阱中电子的局域性越强,基质导带底产生一个由局域态组成的带尾,陷阱深度随之减小.
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