以烷氧基金属化合物为原料,乙酸为催化剂,采用金属醇盐法制备了YAG前驱体粉体,在不同温度下焙烧,得到了YAG纳米粉体,并改变乙酸与水的用量以及醇盐溶液浓度,初步探讨了催化剂及醇盐溶液浓度对合成纯相YAG粉体的影响.主要采用X射线衍射(XRD)对这些粉体进行了物相分析,并利用透射电子显微镜(TEM)对粉体进行了形貌观察.结果表明,当钇、铝2种醇盐溶液浓度比为1∶2、乙酸与水的摩尔比为10∶1时,在1100℃焙烧得到了纯相YAG纳米粉体.粉体分散性较好,颗粒粒径在50~80 nm,大致呈球状.
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