Synthesis and Downconversion Emission Property of Yb2O3:Eu3+ Nanosheets and Nanotubes

被引：17

作者：

Qian, Chao

Zeng, Tianmei

Liu, Hongrong ^{[1
]}

机构：

[1] Hunan Normal Univ, Coll Phys & Informat Sci, Changsha 410081, Hunan, Peoples R China

来源：

ADVANCES IN CONDENSED MATTER PHYSICS | 2013年 / 2013卷

基金：

中国国家自然科学基金; 高等学校博士学科点专项科研基金;

关键词：

NANOCRYSTALS; LUMINESCENCE; HYDROXIDE; SPECTROSCOPY; CONVERSION;

D O I：

10.1155/2013/519869

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Ytterbium oxide (Yb2O3) nanocrystals with different Eu3+ (1%, 2%, 5%, and 10%) doped concentrations were synthesized by a facile hydrothermal method, subsequently by calcination at 700 degrees C. The crystal phase, size, and morphology of prepared samples were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The results show that the as-prepared Yb2O3 nanocrystals with sheet-and tube-like shape have cubic phase structure. The Eu3+ doped Yb2O3 nanocrystals were revealed to have good down conversion (DC) property and intensity of the DC luminescence can be modified by Eu3+ contents. In our experiment the 1% Eu3+ doped Yb2O3 nanocrystals showed the strongest DC luminescence among the obtained Yb2O3 nanocrystals.

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页数：5

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