Novel Dy3+-doped Gd(PO3)3 white-light phosphors under VUV excitation for Hg-free lamps application

被引：0
|
作者：
张锂 [1 ]
韩国才 [2 ]
机构：
[1] Department of Basic Course,Lanzhou Institute of Technology  2. Department of Material Engineering,Lanzhou Institute of Technology
来源：
Chinese Physics B | 2013年 / 22卷 / 02期
关键词：
vacuum ultraviolet; white light; phosphors;
D O I：
暂无
中图分类号：
TM923.321 [];
学科分类号：
0803 ; 080801 ;
摘要：
Novel Dy3+-doped Gd(PO3)3 white light phosphors each with an orthorhombic system are successfully synthesized by solid-state reaction.The luminescence properties of white-light Gd1-x(PO3)3:xDy3+(0 < x ≤ 0.25) under vacuum ultraviolet(VUV) excitation are investigated.The strong absorption at around 147 nm in excitation spectrum energy can be transferred to the energy levels of Dy3+ ion from the host absorption.Additionally,the white light phosphor is activated by a single Dy3+ ion.Therefore,the luminescence of Gd1-x(PO3)3:xDy(0 < x ≤ 0.25) under VUV excitation is effective,and it has the promise of being applied to mercury-free lamps.
引用
收藏
页码：507 / 509
页数：3
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