采用水热法制备了Ba1-xPbxWO4固溶体微晶,通过XRD、SEM、荧光分析等测试手段,研究了微晶的晶相结构、表面形貌及室温光致发光特性.结果表明,当x从0～1.0变化时,Ba1-xPbxWO4固溶体微晶的表面形貌由四方锥型向树枝状变化.在270nm紫外光激发下,其发射光谱均呈现两个发射峰,即位于320nm左右的弱发射峰和400～470nm左右的强发射峰,前者为WO2-4四面体的本征发射,其强度和波长随x值变化不大;而后者为掺入的Pb2+引起的激活发射峰,掺入Pb2+量(即x)对其强度和发射波长有较大的影响.当x=0.03时,微晶发射强度达到最强.
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