Intensive emission of Dy3+ in NaGd( PO3)4 for Hg-free lamps application

被引：61
|
作者：
Zhong, Jiuping [1 ]
Liang, Hongbin [1 ]
Han, Bing [1 ]
Tian, Zifeng [1 ]
Su, Qiang [1 ]
Tao, Ye [2 ]
机构：
[1] Sun Yat Sen Univ, Sch Chem & Chem Engn, State Key Lab Optoelect Mat & Technol, MOE Lab Bioinorgan & Synth Chem, Guangzhou 510275, Guangdong, Peoples R China
[2] Chinese Acad Sci, Inst High Energy Phys, Lab Beijing Synchrotron Radiat, Beijing 100039, Peoples R China
来源：
OPTICS EXPRESS | 2008年 / 16卷 / 10期
关键词：
D O I：
10.1364/OE.16.007508
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The phosphor NaGd(PO3)(4):Dy3+ was synthesized by solid-state reaction technique at high temperature. The vacuum ultraviolet (VUV)-UV excitation spectra and visible emission spectra under VUV/UV excitation were investigated. The sample NaGd(PO3)(4):Dy3+ showed suitable spectroscopic characteristics such as broad and strong absorption around 172 nm, intensive emission with the chromaticity coordinates (0.33, 0.38) in warm-white light region. Additionally, this efficient white-emitting phosphor is activated by a single Dy3+ ion and with a lower preparation temperature, which tend to decrease the consumption of rare earth resource and energy. Therefore, the phosphor NGP:Dy3+ may be considered as a suitable candidate for Hg-free lamps application. (C) 2008 Optical Society of America.
引用
收藏
页码：7508 / 7515
页数：8
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