以Gd2O3和ZrOCl2·8H2O为原料,氨水为矿化剂,在200℃和12 ～ 30 h的水热条件下合成的前驱体,经固相反应获得C,d2Zr2O7纳米粒子.用X射线衍射(XRD)、热重差热(TG-DTA)、傅立叶变换红外光谱(FT-IR)、扫描电镜(SEM)等测试手段分析了样品合成过程的物相变化、产物结构及形貌特征.结果表明:在n(Gd):n(Zr)=1∶1,水热合成温度200℃,pH =11,保温24h,合成的前驱体经1000℃、2h煅烧获得分散性好、形貌近球形、粒径约23nm的Gd2Zr2O7纳米粒子.
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