Microwave-assisted synthesis and down- and up-conversion luminescent properties of BaYF5:Ln (Ln = Yb/Er, Ce/Tb) nanocrystals

被引：13
|
作者：
Pan, Shunhao [1 ,2 ]
Deng, Ruiping [1 ]
Feng, Jing [1 ]
Song, Shuyan [1 ]
Wang, Song [1 ,2 ]
Zhu, Min [1 ,2 ]
Zhang, Hongjie [1 ,2 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
CRYSTENGCOMM | 2013年 / 15卷 / 38期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
FLUORESCENT-PROBES; CALCIUM-PHOSPHATE; NANOPARTICLES; COMPLEXES; SHELL; TB;
D O I：
10.1039/c3ce40961a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Hydrophilic BaYF5 nanocrystals have been prepared via a facile and fast microwave-assisted method at low temperature without the assistance of template reagents. The Yb3+/Er3+, Ce3+/Tb3+ doped BaYF5 nanocrystals could be dispersed well in water and alcohol. BaYF5:Ce3+/Tb3+ nanocrystals show bright green luminescence. The existence of the Ce3+ ions can dramatically enhance the luminescence intensity of the Tb3+ ions, due to the efficient energy transfer from Ce3+ to Tb3+ ions. More importantly, when doped with Yb3+/Er3+ ions, the BaYF5 nanocrystals show bright red upconversion luminescence.
引用
收藏
页码：7640 / 7643
页数：4
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