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Synthesis and Photoluminescence Property of Ca3Y2-xSmxWO9 Phosphors

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Abstract:

A series of novel reddish-orange phosphors Ca3Y2-xSmxWO9 were synthesized by solid-state method and characterized by X-ray diffraction (XRD), fourier transform infrared spectroscopy (FTIR) and photoluminescence (PL) spectra. The results showed that these phosphors are tetragonal structures. The optimum calcining temperature was 1100°C, and the sintering time was 3h. The results demonstrated that the optimal doping concentration of Sm3+ in Ca3Y2WO9 was about 1 mol%. The main emission line was 4G5/2→6H7/2 transition of Sm3+ at 593nm, and showed intense reddish-orange.

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Periodical:

Materials Science Forum (Volume 815)

Pages:

301-303

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.815.301

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Online since:

March 2015

Authors:

Jing Jing Ru, Mei Zhen Zhou, Bing Zhao, Gui Yang Yan, Shao Ming Ying

Keywords:

Phosphor, Sm, Tungstate

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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