新型硅酸盐长余辉发光材料

被引:43
作者
罗昔贤
段锦霞
林广旭
徐晶
杨宇
肖志国
机构
[1] 大连路明发光科技股份有限公司
[2] 大连路明发光科技股份有限公司 辽宁大连 
[3] 辽宁大连 
关键词
长余辉材料; 硅酸盐; 镁黄长石; 镁硅钙石;
D O I
暂无
中图分类号
O482.31 [发光学];
学科分类号
摘要
首次在硅酸盐体系中发现了余辉时间长达10h以上的高亮度长余辉现象,并采用高温固相法合成了一系列硅酸盐长余辉发光材料。研究发现:Eu2+,Ln共激活的镁黄长石结构的焦硅酸盐化合物和镁硅钙石结构的硅酸盐化合物的余辉发光性能最好。研究了各发光材料的光谱特征、长余辉性能,测量了各发光材料的激发光谱和发射光谱以及余辉衰减曲线。同时研究了其应用性能,并测量了发光材料的热释光谱,X射线粉末衍射图谱,确定了发光材料的晶格类型。
引用
收藏
页码:165 / 170
页数:6
相关论文
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