A novel orange emitting BaS:xYb2+ phosphor for white light LEDs

被引：3
|
作者：
Yang, Yanmin [1 ]
Su, Xianyuan [1 ]
Li, Xiaodong [1 ]
Yu, Fang [1 ]
Mi, Chao [1 ]
Li, Gang [1 ]
机构：
[1] Hebei Univ, Coll Phys Sci & Technol, Luminescence & Display Res Inst, Baoding 071002, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2014年 / 51卷
基金：
美国国家科学基金会; 中国博士后科学基金;
关键词：
Optical materials; Optical properties; DEPENDENT LUMINESCENCE; DIVALENT YTTERBIUM; ENERGY-TRANSFER;
D O I：
10.1016/j.materresbull.2013.12.016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A series of Yb2+-doped BaS orange emitting phosphors were synthesized by solid-state method. The crystal structure and optical properties were investigated. The results indicate that BaS:xYb(2+) phosphors can be efficiently excited by both UV light and blue-LED chips to effectuate orange emitting which corresponding to the allowed 4f-5d transition of Yb2+ ions. The optimized Yb2+ concentration was 0.1 mol%. The preferable excitation spectrum profile and the intense emission show that BaS:xYb(2+) can be used as a potential orange emitting phosphor for UV, blue light exciting white light LEDs. (C) 2013 Elsevier Ltd. All rights
引用
收藏
页码：202 / 204
页数：3
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