Colloidal Tm3+/Yb3+-Doped LiYF4 Nanocrystals: Multiple Luminescence Spanning the UV to NIR Regions via Low-Energy Excitation

被引：390

作者：

Mahalingam, Venkataramanan ^{[1
]}

Vetrone, Fiorenzo ^{[1
]}

Naccache, Rafik ^{[1
]}

Speghini, Adolfo ^{[2
,3
]}

Capobianco, John A. ^{[1
]}

机构：

[1] Concordia Univ, Dept Chem & Biochem, Montreal, PQ H4B 1R6, Canada

[2] Univ Verona, DiSTeMeV, I-37100 Verona, Italy

[3] UdR Verona, INSTM, Verona, Italy

来源：

ADVANCED MATERIALS | 2009年 / 21卷 / 40期

基金：

加拿大自然科学与工程研究理事会;

关键词：

UP-CONVERSION EMISSION; GREEN; NANOPARTICLES; RED;

D O I：

10.1002/adma.200901174

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Highly dispersible Tm3+/Yb3+-doped LiYF4 nanocrystals were synthesized using a thermal decomposition method. Upon excitation with a NIR diode laser (980nm), the dilute dispersion of the nanocrystals exhibits several strong emissions in regions spanning the deep-UV to NIR, all originating from a single dopant/sensitizer (Tm3+/Yb3+) combination. The material is envisioned to have potential interest in anti-counterfeiting, biomedicine and solution-based scintillation applications.

引用

页码：4025 / +

页数：5

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