Self-assembly NaGdF4 nanoparticles: phase controlled synthesis, morphology evolution, and upconversion luminescence properties

被引：1

作者：

Zi, Lu ^{[1
]}

Zhang, Dan ^{[1
]}

De, Gejihu ^{[1
,2
,3
]}

机构：

[1] Inner Mongolia Normal Univ, Coll Chem & Environm Sci, Hohhot 010022, Peoples R China

[2] Inner Mongolia Key Lab, Phys & Chem Funct Mat, Hohhot 010022, Peoples R China

[3] Jilin Univ, Coll Elect Sci & Engn, Changchun 130012, Peoples R China

来源：

MATERIALS RESEARCH EXPRESS | 2016年 / 3卷 / 02期

基金：

美国国家科学基金会;

关键词：

synthesis; self-assemble; alpha-NaGdF4; nanoparticles; upconversion; FLUORIDE NANOCRYSTALS; YB3+; ER3+;

D O I：

10.1088/2053-1591/3/2/025009

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Cubic NaGdF4:Yb0.2Er0.02 (alpha-NaGdF4), self-assembly cubic NaGdF4:Yb0.2Er0.02, and high-resolution structure of hexagonal NaGdF4:Yb0.2Er0.02 (beta-NaGdF4) nanoparticles are prepared via the co-thermolysis of Gd(CF3COO)(3) and CF3COONa in the presence of 1-octadecene as stabilizer and oleic acid as ligand. Transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), x-ray power diffraction (XRD), and Hitachi F-4600 fluorescence spectrophotometer are used for the characterization of the samples. The results show that by tuning the ratio of CF3COONa/Gd(CF3COO)(3) and the reaction temperature, we can control the crystal phase, the relative intensity of upconversion luminescence of nanoparticles, and the morphology evolution of self-assembled alpha-NaGdF4 nanoparticles.

引用

页数：8

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