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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.122  No.1426 (June) (2014)  >  pp.452-455

Journal of the Ceramic Society of Japan
<<Previous article Vol.122  No.1426 (June) (2014)   pp.452 - 455 Next article>>

Synthesis of Eu2+-activated Rb–Ba–Sc–Si–O glass phosphors using melt synthesis technique

Sun Woog KIM1), Takuya HASEGAWA1), Michiyo INOUE1), Tadashi ISHIGAKI2), Kazuyoshi UEMATSU3), Kenji TODA1), Mineo SATO3)
1) Graduate School of Science and Technology, Niigata University 2) Center for Transdisciplinary Research, Niigata University 3) Department of Chemistry and Chemical Engineering, Niigata University

Eu2+-activated Rb–Ba–Sc–Si–O glass phosphor was synthesized by a melt synthesis technique using arc-imaging furnace and their photoluminescence properties were characterized. In addition, the obtained glass phosphors annealed in a flow of 5%H2–95%Ar gas to enhance the luminescent efficiency. The emission spectra of the Eu2+-activated glass phosphors presents yellow emission band centered at 537 nm due to the 4f65d1 → 4f7 transition of Eu2+, and the emission intensity was effectively enhanced by the annealing treatment.


Keyword:
White LEDs, Glass phosphor, Yellow emission

Received: December 16, 2013
Accepted: February 14, 2014 , Published online: June 01, 2014
Copyright © 2014 The Ceramic Society of Japan

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