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以SiO2颗粒和Zn(CH3COO)2为原料,采用水热法在不锈钢反应釜中低温制备了Mn2+掺杂的Zn2SiO4荧光材料.利用X线衍射仪(XRD)、扫描电子显微镜(SEM)和荧光分光光度计对影响产物结构及发光性能的反应温度、反应时间、NH4OH质量分数等参数进行研究.结果表明:六棱柱状的ZnSiO4纳米颗粒可以在220℃的低温水热条件下获得,以该法制备的Mn2+掺杂ZnSiO4具有良好的光致发光性能,在220 nm紫外光激发下产生525 nm的绿色发光,并且发光强度随水热反应温度、时间以及NH4OH浓度改变而改变.

参考文献

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