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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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pr3+掺杂对sral2o4:eu2+、dy3+磷光体发光性能的影响
Keywords: 无机非金属材料,？燃烧法,sral2o4,？,镨掺杂,？发光材料
Abstract:
？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515nm,激发光谱是峰值在320nm和360nm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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