Luminescence properties of reddish orange emitting BaLa2ZnO5:Sm3+ phosphor prepared by citric based sol-gel synthesis

被引：8
|
作者：
Singh, Vijay [1 ]
Lakshminarayana, G. [2 ]
Lee, Dong-Eun [3 ]
Yoon, Jonghun [4 ]
Park, Taejoon [5 ]
机构：
[1] Konkuk Univ, Dept Chem Engn, Seoul 05029, South Korea
[2] Kyungpook Natl Univ, Intelligent Construct Automat Ctr, 80 Daehak Ro, Daegu 41566, South Korea
[3] Kyungpook Natl Univ, Sch Architecture & Civil Engn, 80 Daehak Ro, Daegu 41566, South Korea
[4] Hanyang Univ, Dept Mech Engn, 55 Hanyangdaehak Ro, Ansan 15588, Gyeonggi Do, South Korea
[5] Hanyang Univ, Dept Robot Engn, 55 Hanyangdaehak Ro, Ansan 15588, Gyeonggi Do, South Korea
来源：
SOLID STATE SCIENCES | 2019年 / 98卷
基金：
新加坡国家研究基金会;
关键词：
Sol-gel; XRD; Sm3+ ions; BaLa2ZnO5; Photoluminescence; PHOTOLUMINESCENCE;
D O I：
10.1016/j.solidstatesciences.2019.106042
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A series of BaLa2ZnO5:Sm3+ phosphors were synthesized with the sol-gel technique. The crystalline structure of each sample was characterized by X-ray diffraction (XRD). Phase formation was investigated using scanning electron microscope (SEM). Photoluminescence studies revealed an efficient excitation of phosphors at near blue light (similar to 410 nm), providing emission in the bright reddish-orange region (603 nm). Concentration quenching through multipolar interaction was observed in BaLa2ZnO5 phosphor system doped with 0.015 mol of Sm3+ concentration. The optimum phosphor showed prominent characteristics for application in white LEDs.
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页数：7
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