Upconversion properties of Nd3+-Yb3+-Ho3+-doped β-Na(Y1.5Na0.5)F6 powders

被引：24
|
作者：
Wang, Xiangfu [1 ,2 ]
Xiao, Siguo [1 ,2 ]
Bu, Yanyan [1 ,2 ]
Ding, J. W. [1 ,2 ]
机构：
[1] Xiangtan Univ, Key Lab Low Dimens Mat Applicat Technol, Minist Educ, Xiangtan 411105, Hunan, Peoples R China
[2] Xiangtan Univ, Inst Nanophys & Rare Earth Luminescence, Xiangtan 411105, Hunan, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 477卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
Upconversion; Energy transfer; ENERGY-TRANSFER; VISIBLE CONVERSION; 800; NM; LUMINESCENCE; GLASSES; BLUE; ENHANCEMENT; CERAMICS; EMISSION; IONS;
D O I：
10.1016/j.jallcom.2008.11.012
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：
Nd3+-Yb3+-Ho3+-doped beta-Na(Y1.5Na0.5)F-6 luminescent phosphor was synthesized. Green and red upconverted emission bands of Ho3+ were observed under 808 and 980 nm diode lasers excitations The Nd3+ ion. can enhance the emissions of Ho3+ under 808 nm excitation while it quenches emissions of Ho3+ under, 980 nm excitation. The investigation of temporal behaviors exhibit the rise times of green and red emissions are much shorter under 808 nm excitation than that under 980 nm excitation. The upconversion mechanisms under two excitation sources have been discussed in terms of the experiment results. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：941 / 945
页数：5
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