The spectroscopic properties of Dy3+ and Eu3+ co-doped ZnWO4 phosphors

被引：19
|
作者：
Zhou, Yu [1 ]
Xu, Jiayue [1 ]
Zhang, Zhijie [1 ]
You, Mingjiang [1 ]
机构：
[1] Shanghai Inst Technol, Inst Crystal Growth, Sch Mat Sci & Engn, Shanghai 201418, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2014年 / 615卷
基金：
美国国家科学基金会;
关键词：
ZnWO4; Photoluminescence; Spectroscopic; Co-doped; W-LEDs; WHITE-LIGHT EMISSION; ENERGY-TRANSFER; EMITTING DIODE; CRYSTAL-GROWTH; LUMINESCENCE; PHOTOLUMINESCENCE; CE3+; MN2+;
D O I：
10.1016/j.jallcom.2014.07.075
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Dy-3+ and Eu3+ co-doped ZnWO4 phosphors with different doping concentrations were synthesized by a hydrothermal method. The as-prepared samples were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and photoluminescence (PL) spectra. The results showed that the doping concentrations of Eu3+ could affect the blue and yellow emission intensities of Dy3+, and tunable emission color could be obtained by adjusting the doping concentrations of Eu3+. Based on the excitation/emission spectra of Dy3+/Eu3+ co-doped ZnWO4 and the energy levels of Dy3+ and Eu3+, the photoluminescence process in the Dy3+/Eu3+ co-doped ZnWO4 system was discussed in detail. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：624 / 628
页数：5
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