Abstract
采用水热法制备了NaEu(MoO4)2-x(WO4)x固溶体微晶; 通过X射线衍射(XRD)、扫描电镜(SEM)和荧光分析(FA)对所制备的微晶进行了表征。XRD结果表明NaEu(MoO4)2-x(WO4)x微晶呈现典型的四方晶相白钨矿结构。SEM分析表明微晶呈米粒状。荧光分析显示, NaEu(MoO4)2-x(WO4)x微晶在370～386 nm之间呈现MO2-4 配离子(M=Mo,W)的特征发射峰, 发射波长随x的增大而减小; 同时, Eu3+在592 nm(5D0→7F1)和614 nm(5D0→7F2)的特征发射峰均明显显现, 强度随x的增大而逐渐增大。
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