通过高温固相法合成了Ba2ZnB2O6∶Ce3+蓝色荧光粉.通过XRD、Rietveld结构精修、激发和发射光谱、荧光衰减曲线以及变温荧光光谱等,对荧光粉的晶体结构和发光性能进行了研究.结果表明:Ce3+的掺入并未对基质的晶格结构产生影响,在350 nm近紫外光激发下,Ba2ZnB2O6∶xCe3+的发射峰为位于430 nm的不对称的宽谱,最佳掺杂浓度为x=0.01,Ce3+在Ba2ZnB2O6晶格中占据Bal和Ba3两种格位,随掺杂浓度升高更倾向于占据Ba3位.Ce3+的择优占位使荧光粉的发光由蓝光向蓝绿色区域发生了明显的漂移.
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