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Luminescence properties of Eu2+ activated Ba2Si5N8 red phosphors with various Eu2+ contents
- Authors
- Song, Jun-Myung; Park, Joo-Seok; Nahm, Sahn
- Issue Date
- 4월-2013
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Ba2Si5N8; Nitride phosphor; Red phosphor; Normal pressure sintering
- Citation
- CERAMICS INTERNATIONAL, v.39, no.3, pp.2845 - 2850
- Indexed
- SCIE
SCOPUS
- Journal Title
- CERAMICS INTERNATIONAL
- Volume
- 39
- Number
- 3
- Start Page
- 2845
- End Page
- 2850
- ISSN
- 0272-8842
- Abstract
- This study was carried out to characterize the crystal structure and luminescence properties of Eu2+ doped red-emitting Ba2Si5N8 phosphor. In this research, Ba2Si5N8 phosphors with various Eu compositions were prepared by normal pressure sintering (NPS). Ba3N2, Si3N4 and Eu2O3 were sintered at a high temperature in a mixture of N-2 and H-2. The crystal structure was analyzed by X-ray diffraction(XRD), and the photoluminescence(PL) properties of the Eu2+ - activated Ba2Si5N8 phosphors were evaluated as a function of the Eu2+ activator concentration. The red-emitting Ba2Si5N8 phosphors showed a broad excitation band range as well as high quantum output. Crown Copyright (c) 2012 Published by Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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