微米级稀土掺杂NaYF4荧光粉的水热合成及性质研究

中国稀土学报, 2010, 28(3): 287-292.

微米级稀土掺杂NaYF4荧光粉的水热合成及性质研究

宋浩亮 ^1, , 龙震 ^2, , 胡章贵 ^3, , 姚连增 ^4,

1.中国科学技术大学化学与材料科学学院材料科学与工程系,安徽,合肥,230026;中国科学院理化技术研究所,功能晶体与激光技术重点实验室,北京,100190

2.中国科学院理化技术研究所,功能晶体与激光技术重点实验室,北京,100190;中国科学院研究生院,北京,100049

3.中国科学院理化技术研究所,功能晶体与激光技术重点实验室,北京,100190

4.中国科学技术大学化学与材料科学学院材料科学与工程系,安徽,合肥,230026

基金项目: 国家自然科学基金(60578028)

关键词：荧光粉 , 水热法 , NaYF4,Pr3+,Nd3+,Sm3+,Eu3+,Er3+

Hydrothermal Growth and Properties of Micro-Sized NaYF4 Doped with Rare Earth Ions

以EDTA为螫合剂,采用水热法合成了微米级单掺Pr3+,Nd3+,Sm3+,Eu3+,Er3+等的NaYF4荧光粉材料.通过XRD和SEM观察分析,得出所合成的材料分散性良好,相纯度较高,并认为EDTA在水热熟化过程中,对控制微晶的形貌有很大的作用;分别在各自对应的几个波长光激发或发射下,可观察到较强的激发峰或发射峰,对发光机制进行了初步探讨,基质晶格场的作用导致了一些发射峰的红移或蓝移.

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材料期刊网

微米级稀土掺杂NaYF4荧光粉的水热合成及性质研究

Hydrothermal Growth and Properties of Micro-Sized NaYF4 Doped with Rare Earth Ions

参考文献