The result showed that the emission peak is at about 486nm, the samples emit blue-green light. The first brightness is 5200mcd/m~2 , the afterglow time is more than 45 hours long. TEM indicated that the average size of the particles is about 50nm.

• 结果表明其发射波长为486nm，余辉颜色为蓝绿色，初始亮度达到5200mcd/m~2，余辉时间长达45小时，TEM分析表明该材料的平均粒径为50nm左右。