期刊
SCRIPTA MATERIALIA
卷 187, 期 -, 页码 82-87出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2020.06.015
关键词
Borophosphate; Praseodymium; Orange emitting; Photoluminescence; Solid state lighting and illumination
类别
资金
- Program for Excellent Young Talents, Yunnan University
- Natural Science Foundation of Yunnan Province [2018FB017]
- National Natural Science Foundation of China [21761034]
Li2Na1-xBP2O8:xPr(3+) (x = 0-0.04 mol) solid solutions were synthesized by a high temperature sintering process. The crystalline phase, microstructure, chemical state of constituent element, and luminescence were performed. Excited by the short-wave ultraviolet light originating from 4f(2) -> 4f(1)5d(1) of Pr3+, an orange emitting behavior (P-3(0) -> F-3(3) of Pr3+, 673 nm) was proposed. The relationship between the doping Pr3+ concentration and the orange emitting behavior was analyzed. Concentration quenching occurs due to electric dipole - dipole interaction. All work revealed that the title solid solution is a selected material for solid state illumination and lighting. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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