Facile Hydrothermal Synthesis and Luminescent Properties of Large-Scale GdVO4:Eu3+ Nanowires

被引：97

作者：

Zheng, Yuhua

You, Hongpeng ^{[1
]}

Jia, Guang

Liu, Kai

Song, Yanhua

Yang, Mei

Zhang, Hongjie

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Peoples R China

来源：

CRYSTAL GROWTH & DESIGN | 2009年 / 9卷 / 12期

基金：

中国国家自然科学基金;

关键词：

CRYSTALLINE; PHOTOLUMINESCENCE; NANOPARTICLES; CONVERSION; SURFACE; NANOCRYSTALLINE; NANOSPHERES; DEPOSITION; SPECTRA; YVO4-EU;

D O I：

10.1021/cg900342j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Large-scale GdVO4:Eu3+ nanowires with diameters of about 15 nm and lengths of several micrometers were achieved by a facile hydrothermal method in the presence of disodium ethylenediamine tetraacetate (Na2H2L). The influences of several parameters, such as pH value, reaction temperature, and molar ratio of Na2H2L to Gd3+ on the final products were investigated. The formation mechanism of the as-obtained GdVO4:Eu3+ nanowires is proposed on the basis of time-dependent experiments. It is found that the organic additive Na2H2L, which acts as a shape modifier, has a dynamic effect by adjusting the growth rates of different facets, resulting in the formation of the GdVO4:Eu3+ nanowires. The luminescent spectrum of GdVO4:Eu3+ nanowires shows the strong characteristic dominant emission of the Eu3+ ions at 614 nm.

引用

页码：5101 / 5107

页数：7

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