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Effect of Eu2+ concentration on the photoluminescence properties of red-emitting CaSrSiO4

Ca1-x/2Sr1-x/2SiO4:xEu2+ (x = 0.1-0.9) phosphors were synthesized using propylene glycol-modified silane (PGMS), and their luminescence properties were studied as a function of Eu concentration. The Ca1-x/2Sr1-x/2SiO4:xEu2+ phosphors showed strong orange-red or red emissions. The wavelength at the m...

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Bibliographic Details
Published in:Journal of the Ceramic Society of Japan 2016-01, Vol.124 (8), p.823-823
Main Authors: KOMUKAI, Tetsufumi, YOKOYAMA, Jun, TAKATSUKA, Yuji, SATO, Yasushi, KATO, Hideki, KAKIHANA, Masato
Format: Article
Language:English
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Summary:Ca1-x/2Sr1-x/2SiO4:xEu2+ (x = 0.1-0.9) phosphors were synthesized using propylene glycol-modified silane (PGMS), and their luminescence properties were studied as a function of Eu concentration. The Ca1-x/2Sr1-x/2SiO4:xEu2+ phosphors showed strong orange-red or red emissions. The wavelength at the maximum emission intensity shifted from 610 to 639 nm as Eu concentration increased from x = 0.1 to x = 0.7. The origin of the red emission was discussed in terms of Eu2+ substitution at smaller Ca (n) sites.
ISSN:1882-0743
1348-6535