在pH =1无模板条件下水热合成出直径为2～3 μm的CePO4∶ Tb核壳微球结构.其核壳表面由直径为20 ～30 nm、长度为200～300 nm的纳米棒组成.产物生长过程实验表明,首先形成球状团聚产物,然后一些颗粒在表面生长,由于奥斯瓦尔德熟化效应产物尺寸变大,最后表面上的部分颗粒消耗内部的核而外延生成一维纳米棒.CePO4∶Tb核壳微球的荧光性质和荧光寿命测试表明,当Tb3+摩尔分数为10％时,发射强度达到最大值,Tb3+浓度再增加其荧光发射强度由于浓度淬灭作用而迅速降低.
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