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采用高温固相法制备了稀土掺杂的铝酸盐(Sr3Al2O6)红色发光材料.研究了样品的发光性能,讨论了灼烧温度、保温时间和稀土含量对样品发光性能的影响,结果表明,1350 ℃下灼烧2 h获得的样品为纯的Sr3Al2O6立方晶系,Pa-3空间群结构,样品的荧光发射峰位于在591 nm、611 nm、657 nm,激发光谱包含393 nm和468 nm处两激发峰.Eu离子的掺杂浓度为2.0at%,灼烧温度为1300 ℃,灼烧时间为2 h,样品的发光强度最高.

参考文献

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