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

页码：7640 / 7643

页数：4

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