Synthesis and luminescence properties of novel red-emitting R3P4O13:Bi2+ (R = Sr and Ba) phosphors

被引：38

作者：

Cao, Renping ^{[1
]}

Cao, Yunling ^{[1
]}

Fu, Ting ^{[1
]}

Jiang, Shenhua ^{[2
]}

Li, Wensheng ^{[3
]}

Luo, Zhiyang ^{[4
]}

Fu, Jingwei ^{[1
]}

机构：

[1] Jinggangshan Univ, Coll Math & Phys, Jian 343009, Jiangxi, Peoples R China

[2] Jiujiang Univ, Coll Pharmacol & Life Sci, Jiujiang 332000, Peoples R China

[3] Jinggangshan Univ, Dept Personnel, Jian 343009, Jiangxi, Peoples R China

[4] Jinggangshan Univ, Coll Mech Mfg & Automat, Jian 343009, Jiangxi, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2016年 / 661卷

基金：

中国国家自然科学基金;

关键词：

Optical materials; Solid state reaction; Optical properties; Luminescence; CRYSTAL-STRUCTURE; ORANGE EMISSION; ENERGY-TRANSFER; BISMUTH; BI2+; PHOTOLUMINESCENCE; BI3+;

D O I：

10.1016/j.jallcom.2015.11.176

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：

Novel red phosphors R3P4O13: Bi2+ (R = Sr and Ba) are synthesized by solid state reaction method in air, and their crystal structures and fluorescence properties are characterized. The excitation bands peaking at similar to 440 nm match with the blue LED chip, and their red emission band peaking at similar to 658 and 686 nm within the range 580-800 nm owing to P-2(3/2)(1) -> P-2(1/2) the transition of Bi2+ ions can be observed, respectively. The relation between Bi2+ doping concentration and emission intensity is discussed and the optimal Bi2+ ion doping concentration is similar to 3.0 mol%. Decay curves and time-resolved spectra confirm that R3P4O13: Bi2+ (R = Sr and Ba) phosphors have only single Bi2+ center. The luminous mechanism is explained by energy level diagram of Bi2+. The luminescence properties indicate that R3P4O13: Bi2+ (R = Sr and Ba) phosphors have a potential to be used as red emitting phosphor candidate for white LEDs based on similar to 440 nm blue LED chip. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：77 / 81

页数：5

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