期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 701, 期 -, 页码 515-523出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2017.01.171
关键词
NaBaLa2(PO4)(3):Sm3+; Reddish-orange phosphor; Luminescence
资金
- gs1:National Natural Science Foundation of China [11404047, 11674044, 11604037]
- Chongqing Research Program of Basic Research and Frontier Technology [CSTC2016JCYJA0113, CSTC2016JCYJA0207,, CSTC2015JCYJA50005]
- Scientific and Technological Research Program of Chongqing Municipal Education Commission [KJ1500409, KJ1600406, KJ1500412]
- Research Training Program for Undergraduates of Chongqing University of Posts and Telecommunications [A2015-86, A2016-53]
A series of reddish orange light-emitting NaBaLa2(PO4)(3): Sm3+(NBLP:Sm3+) phosphors are designed and synthesized in this work for the first time. The crystal structure of NaBaLa2(PO4)(3): Sm3+(NBLP) has been studied by the Rietveld refinement analysis, which shows that the NBLP belongs to eulytite-type orthophosphate. Luminescence properties of NBLP:Sm3+ phosphors were investigated in detail, including excitation and emission spectra, concentration quenching, fluorescence decay, Inokuti-Hirayama (I-H) model analysis, etc. The Commission Internationale de L'Eclairage (CIE) coordinates exhibited a shift slightly from reddish-orange (0.5782, 0.4171) to orange (0.5605, 0.4312) with the increase of Sm3+ concentration. In addition, the NBLP:Sm3+ phosphor shows good thermal stability and acceptable quantum efficiency. From the obtained results, the prepared phosphor NBLP: Sm3+ can be demonstrated as a potential orange-red luminescent material. (C) 2017 Elsevier B.V. All rights reserved.
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