采用陶瓷工艺学原理, 对混合好的配合料进行高压预处理, 合成了Gd2O2S∶Tb X射线荧光粉, 并研究高压预处理对合成硫氧化物X射线发光材料Gd2O2S∶Tb发光性能和物理特性的影响.对其进行光致发光(PL)谱、 X射线激发发光(XEL)光谱、 XRD、 SEM研究.结果发现, 高压预处理能有效降低合成温度, 减小颗粒尺寸, 并影响其颗粒分布及颗粒形貌, 并使光致发光(PL)和X射线激发(XEL)发光强度有较大幅度的提高.由于比较致密, 减少了碱金属离子和硫化物气氛的挥发, 减轻对耐火材料和坩埚材料腐蚀程度.
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