以Eu3+掺杂YPO4为研究对象, 通过简单水热法在200 ℃下制备了不同Eu3+掺杂浓度的YPO4纳米颗粒. 采用X射线粉末衍射、透射电镜和荧光光谱对样品进行了表征,研究了Eu3+掺杂浓度对相结构、发光性能的影响. 实验结果表明,通过调节掺杂Eu3+离子的浓度可以对样品的相结构进行调控. 随着Eu3+掺杂浓度的提高,样品发生了从四方相到六方相,最后到单斜相的转变. 因此通过不同Eu3+离子浓度的掺杂可以实现相结构的调控. 荧光光谱测量发现所有发射均为Eu3+的f-f能级之间的特征跃迁,并且确定掺杂浓度为10%的样品具有最强的发光强度.
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