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Preparation of ZnS Based Blue Phosphors by Sintering ZnS With Kalium Halide as Additive in Argon Gas
Pages: 32-35
Year: Issue:  4
Journal: Electrical Engineering Materials

Abstract: 在Ar保护下灼烧ZnS和KX(X为Cl、Br、I)的混合粉体制备ZnS基蓝光粉,并研究了KBr的添加对ZnS荧光粉发光性能的影响.用x射线衍射仪(XRD)、扫描电子显微镜(SEM)和荧光光谱仪(FS)对样品进行表征.结果表明,在337 nm波长光激发下,添加卤化钾的ZnS荧光粉发射出明亮监光,发射峰位于464 nm处.随着KBr添加量的增大,荧光粉发光强度呈现先增大后减小的变化规律,KBr添加量为...
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