采用微波辅助溶胶-凝胶法制备了自激发钒酸盐A3(VO4)2 (A:Ca,Sr,Ba).采用X射线衍射仪、傅里叶变换红外光谱仪、扫描电镜、透射电子显微镜、荧光谱仪对样品各项参数进行了表征,研究了A3 (VO4)2的光致发光特性,探讨了不同制备工艺条件对其发光性质的影响.实验结果表明,Sr3V2O8样品发光强度随退火温度而变化,在680～900℃时,其发射光谱强度随温度上升而单调下降,达到1000℃时开始上升；pH值为4时,样品的发射光谱强度最大.
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