Solvothermal synthesis and down/up conversion luminescence properties of Ln3+-doped NaYF4 nanocrystals

被引：4

作者：

Wang, Junmei ^{[1
]}

Zhao, Yanbao ^{[1
]}

Li, Binjie ^{[1
]}

Sun, Lei ^{[1
]}

Chen, Ju ^{[2
]}

机构：

[1] Henan Univ, Key Lab Special Funct Mat, Kaifeng 475004, Peoples R China

[2] Henan Univ, Dept Phys, Kaifeng 475004, Peoples R China

来源：

MATERIALS LETTERS | 2013年 / 93卷

基金：

中国国家自然科学基金;

关键词：

Ln(3+)-doped NaYF4; Nanoparticles; Solvothermal synthesis; Luminescence;

D O I：

10.1016/j.matlet.2012.11.094

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ln(3+)-doped NaYF4 nanocrystals were synthesized by a facile citric acid-assisted solvothermal process. The effect of citric acid on the morphology and crystalline structure of the products was investigated, and the luminescence and fluorescence properties of the products were examined. Results show that citric acid plays a key part in controlling product morphology. As-synthesized cubic phase NaYF4 nanocrystals with narrow size (around 50 nm) could be an excellent host material for different doped lanthanide ions. Yb3+/Er3+ co-doped NaYF4 nanocrystals show strong up-conversion luminescence under 980 nm of continuous wave diode laser excitation, showing potential application as phosphors. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：297 / 299

页数：3

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