Synthesis and Photoluminescence Properties of Ba2GeO4:Mn4+ Novel Deep Red-emitting Phosphor

被引：26
|
作者：
Cao, Renping [1 ]
Luo, Wenjie [1 ]
Xiong, Qingqiang [1 ]
Jiang, Shenhua [2 ]
Luo, Zhiyang [3 ]
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, Coll Mech Manufacture & Automat, Jian 343009, Jiangxi, Peoples R China
来源：
CHEMISTRY LETTERS | 2015年 / 44卷 / 10期
基金：
中国国家自然科学基金;
关键词：
LUMINESCENCE PROPERTIES; BI3+; NA+; LI+; K+;
D O I：
10.1246/cl.150578
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Novel deep red phosphor Ba2GeO4:Mn4+ is synthesized and investigated. Emission peaking at 667 nm with excitation 290 nm is observed within the range 610-720 mu due to the E-2 -> (4)A(2) transition of Mn4+ ion. The optimal Mn4+ concentration is ca. 0.6 mol %. Luminous mechanism is explained by Tanabe-Sugano energy diagram and configurational coordinate diagram of Mn4+ ion. Ba2GeO4:Mn4+ phosphor can be used as deep red phosphor candidate for red LEDs used in indoor plant cultivation.
引用
收藏
页码：1422 / 1424
页数：3
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