Photoluminescence properties of color-tunable KLaSiO4：Ce3＋,Mn2＋phosphors

A series of color-tunable KLaSiO4：Ce3＋,Mn2＋phosphors were successfully prepared and the luminescent properties were investigated. Upon excitation at 290 nm, the emission spectra of KLaSiO4：Ce3＋,Mn2＋phosphors included a blue emission band and a red emission band. Increasing the doping concentration o...

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Bibliographic Details
Published inJournal of rare earths Vol. 33; no. 5; pp. 480 - 485
Main Author 常文瑞 王丹 朋兴平 王育华 胡龄之 王静
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.05.2015
Subjects
color-tunable
energy transfer
KLaSiO4:Ce3+,Mn2
rare earths
光致发光特性
发光性能
发射光谱
可调
白色发光二极管
荧光粉
锰离子
颜色
KLaSiO4:Ce3+,Mn2
energy transfer
color-tunable
rare earths
Online AccessGet full text
ISSN1002-0721
2509-4963
DOI10.1016/S1002-0721(14)60444-0

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Summary:A series of color-tunable KLaSiO4：Ce3＋,Mn2＋phosphors were successfully prepared and the luminescent properties were investigated. Upon excitation at 290 nm, the emission spectra of KLaSiO4：Ce3＋,Mn2＋phosphors included a blue emission band and a red emission band. Increasing the doping concentration of Mn2＋ions, the red emission was strengthened considerably, and the blue emission of Ce3＋ was reduced, owing to the efficient energy transfer. The composition optimized KLa0.96SiO4：0.02Ce3＋,0.02Mn2＋sample exhibited the white light emission brightly with the chromaticity coordinates of （0.331, 0.337）. Therefore, KLaSiO4：Ce3＋, Mn2＋could be used as a white phosphor candidate for white light-emitting diodes devices.
Bibliography:11-2788/TF
KLaSiO4：Ce3＋,Mn2＋; energy transfer; color-tunable; rare earths
A series of color-tunable KLaSiO4：Ce3＋,Mn2＋phosphors were successfully prepared and the luminescent properties were investigated. Upon excitation at 290 nm, the emission spectra of KLaSiO4：Ce3＋,Mn2＋phosphors included a blue emission band and a red emission band. Increasing the doping concentration of Mn2＋ions, the red emission was strengthened considerably, and the blue emission of Ce3＋ was reduced, owing to the efficient energy transfer. The composition optimized KLa0.96SiO4：0.02Ce3＋,0.02Mn2＋sample exhibited the white light emission brightly with the chromaticity coordinates of （0.331, 0.337）. Therefore, KLaSiO4：Ce3＋, Mn2＋could be used as a white phosphor candidate for white light-emitting diodes devices.
CHANG Wenrui,WANG Dan,PENG Xingping,WANG Yuhua,HU Lingzhi,WANG Jing
ISSN:1002-0721
2509-4963
DOI:10.1016/S1002-0721(14)60444-0