Journal
PHYSICA B-CONDENSED MATTER
Volume 487, Issue -, Pages 8-12Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physb.2016.01.022
Keywords
Red phosphor; Solid state reaction; Luminescence; White LED
Categories
Funding
- Natural Science Foundation of China [51304086]
- Natural Science Foundation of Jiangxi Province [20132BAB206020]
- Science and Technology Research Plan of Jiangxi Education Department [GJJ14408]
- Science and Technology Landing Plan for Colleges of Jiangxi Province [KJLD14045]
- Foundation of Science and Technology Pillar Program in Industrial Field of Jiangxi Province [20123BBE50075]
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Bi3+, PO43- and BO33- doped Sc0.73Y0.2VO4:Eu-0.07(3+) phosphors were synthesized by solid state reaction at 1200 C. The structure, morphology and luminescence properties were investigated. The synthesized phosphors show narrow particle distribution with average size around 2 Lim. Under 365 nm excitation, integrate emission intensity increases after doping with Bi3+ PO43- and BO33-. The optimal doping concentrations are 1%, 20%, 10% for Bi3+ PO43- and BO33-, respectively. The thermal stability is greatly improved, especially for BO33- doped sample, whose intensity is about 92% of its original intensity even at 200 degrees C. (C) 2016 Elsevier B.V. All rights reserved.
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