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Synthesis and site-selective photoluminescence property of Ca8La2(PO4)6O2: Ce3+

Published online by Cambridge University Press:  27 March 2014

Ge Zhu ,
Yurong Shi ,
Masayoshi Mikami ,
Yasuo Shimomura  and
Yuhua Wang
Ge Zhu
Affiliation:
Department of Materials Science, School of PhysicalScience and Technology, Lanzhou University, Lanzhou, 730000, China
Yurong Shi
Affiliation:
Department of Materials Science, School of PhysicalScience and Technology, Lanzhou University, Lanzhou, 730000, China
Masayoshi Mikami
Affiliation:
Mitsubishi Chemical Group Science and Technology Research Center, Yokohama 227-8502, Japan
Yasuo Shimomura
Affiliation:
Mitsubishi Chemical Group Science and Technology Research Center, Yokohama 227-8502, Japan
Yuhua Wang*
Affiliation:
Department of Materials Science, School of PhysicalScience and Technology, Lanzhou University, Lanzhou, 730000, China
*
*Email: wyh@lzu.edu.cn
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Abstract

A series of Ce3+ doped Ca8La2(PO4)6O2 phosphors with tunable emission were successfully synthesized by traditional solid state reaction. The crystal structure and photoluminescence properties were studied through X-ray diffraction, photoluminescence excitation and emission spectra. The results indicated that Ca8La2(PO4)6O2:Ce3+ exhibited color-tunable emission due to the 5d-4f transitions of Ce3+ ions under different wavelength excitation. The optimal doping content of Ce3+ ions in Ca8La2(PO4)6O2 was found to be 5 mol%. The site-selective photoluminescence property and the reason for red-shift of the emission band along with Ce3+ content and the excitation wavelength were also studied in detail.

Keywords

luminescenceoptical propertiesdisplay

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Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1592: Symposium I – Rare Earth Doped Advanced Materials for Photonic Applications , 2014 , jsapmrs13-1592-6391
Copyright
Copyright © Materials Research Society 2014 

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