Chemical co-precipitation synthesis and photoluminescence of Eu3+ or Dy3+ doped Zn3Nb2O8 microcrystalline phosphors from hybrid precursors

被引：20

作者：

Xiao, Xiuzhen ^{[1
]}

Yan, Bing ^{[1
]}

机构：

[1] Tongji Univ, Dept Chem, Shanghai 200092, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2007年 / 136卷 / 2-3期

基金：

中国国家自然科学基金;

关键词：

optical materials; chemical synthesis; photoluminescence; hybrid precursors; rare earth ion;

D O I：

10.1016/j.mseb.2006.09.020

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Dy3+, Eu3+ activated Zn3Nb2O8 phosphors were synthesized via a modified chemical co-precipitation technology with the different concentration. In order to obtain the hybrid precursors, the rare earth coordination polymers with salicylic acid were used as precursors and the polyethylene glycol (PEG) was used as dispersing media. Their microstructure and micromorphology have been analyzed by X-ray powder diffraction (XRD) and scanning electronic microscope (SEM), which indicates that there exist some novel column-like microcrystalline particles with 0.5-5.0 mu m sizes in dimension. The characteristic transition of Dy3+ and Eu3+ were identified in the emission spectra and the optimum concentration of activators in Zn3Nb2O8 was found. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：154 / 158

页数：5

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