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Photoluminescence properties of BaxSryLizSiO4:Ce3+, Mn2+ phosphors for NUV-LED lighting

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5 Author(s)
Yisen Lin ; Coll. of Mater., Xiamen Univ., Xiamen, China ; Zhaoxian Xiong ; Liqing Hong ; Hao Xue
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A series of Ce3+, Mn2+ codoped BaxSryLizSiO4:Ce3+, Mn2+ phosphors were synthesized by partially liquid-phase method. The effects of Ba/Sr ratio, Ce/Mn ratio and lithium content on the emission spectra of the BaxSryLizSiO4:Ce3+, Mn2+ (BSLS:Ce, Mn) phosphors were investigated in details, which showed blue emission around 410nm wavelength and red emission at about 620nm wavelength, respectively. With the increasing of Sr/Ba ratio, the color of BSLS:Ce, Mn was changed from orange to red. However, the intensity of blue emission was reduced and red emission was enhanced with an incensement of Mn/Ce ratio. The strongest intensity of emission for the phosphor was obtained at Li content of 15 mol%.

Published in:

Advanced Packaging Materials (APM), 2011 International Symposium on

Date of Conference:

25-28 Oct. 2011