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目前开发的硅酸盐体系长余辉发光材料主要特点如下：(1)化学稳定性比较好、耐水性比较强 ... 发光颜色范围从469nm的蓝色光区536nm的黄色光区，余辉时间长达2000min以上。特别是蓝色长余辉发光材料Sr2MgSi207：Eu2+，Dy3+不仅应用特性优异，而且余辉亮度高、时间 ...