Synthesis and Luminescence Properties of YF3:Ce3+/Tb3+ Nanocrystals

被引：2

作者：

Wang, Guofeng ^{[1
,3
]}

Qin, Weiping ^{[1
]}

Zhang, Daisheng ^{[1
,2
]}

Wei, Guodong ^{[1
]}

Zheng, Kezhi ^{[1
]}

Wang, Lili ^{[1
]}

Ding, Fuheng ^{[1
]}

机构：

[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China

[2] Beihua Univ, Coll Phys, Jilin 132011, Peoples R China

[3] Tsinghua Univ, Dept Chemstry, Beijing 100084, Peoples R China

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2010年 / 10卷 / 03期

关键词：

Rare Earth; Nanocrystals; Luminescence; Energy Transfer; UP-CONVERSION; HYDROTHERMAL SYNTHESIS; NANOPARTICLES; UNIFORM; GROWTH; EU;

D O I：

10.1166/jnn.2010.2119

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

YF3:Ce3+, YF3:Tb3+, and YF3:Ce3+/Tb3+ nanocrystals were synthesized by an ethylenediaminetetraacetic acid (EDTA)-assisted hydrothermal method and characterized by X-ray diffraction and scanning electron microscope. In the excitation spectra, there is one broad excitation band at 285 nm for YF3:Ce3+ and 255 nm for YF3:Tb3+, which are related to the f-d excitations of the Ce3+ and Tb3+ in the host, respectively. In the emission spectra of YF3:Ce3+/Tb3+ nanocrystals under different excitation wavelengths (285 and 255 nm), both spectra exhibit the emissions of Ce3+ and Tb3+, indicating that energy transfer could take place not only from Ce3+ to Tb3+ but also from Tb3+ to Ce3+ ions.

引用

页码：1939 / 1942

页数：4

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