以稀土三氟乙酸盐、氟化钠和三氟乙酸钠为原料通过溶剂热法成功制备出了空心结构的NaYF4∶Yb,Er上转换材料,探索了反应温度、钠离子浓度对产物形貌、晶相及发光性能的影响.利用扫描电镜,透射电镜,X射线衍射和发光光谱对产物的形貌、物相结构及荧光性能进行表征.结果表明,当NaF和Y3的摩尔比为2.5,220℃溶剂热反应12 h时,可得到空心结构的上转换材料,该结构兼具上转换荧光、载药双重功能.
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