在乙二醇-蒸馏水混合溶剂中,以水热法制备出不同钇(Y3+)掺杂浓度的钨酸铅( pbWO4)微晶,并利用X射线衍射(XRD)、X射线荧光光谱(XRF)和光致发光光谱(PL)分别对样品的结构和发光性能进行了表征.结果显示,Y3+掺杂使PbWO4微晶的发光强度最大提高了近4倍,且随着Y3+掺杂浓度的增加发光峰位红移近40nm;另外,通过对发光曲线的高斯拟合发现,所有的发光峰都是由蓝光峰、绿光峰、黄光峰和红光峰组成,并分别探讨它们的可能起源及Y3+掺杂对它们所产生的影响.
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