Thermally stable luminescence and energy transfer in Ce3+, Mn2+ doped Sr2Mg(BO3)2 phosphor
Thermally stable luminescence and energy transfer in Ce3+, Mn2+ doped Sr2Mg(BO3)2 phosphor
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DOI：
10.1016/j.optmat.2011.05.027
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发表时间：
2011-09
影响因子：
3.9
通讯作者：
Xinmin Zhang;H. Seo
中科院分区：
文献类型：
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作者：
Xinmin Zhang;H. Seo
Sr2Mg(BO3)2:Ce3+,Li+and Sr2Mg(BO3)2:Ce3+,Li+,Mn2+phosphors have been synthesized by conventional solid state reaction technology at 900°C for 12h in reducing atmosphere. The phase purity, photoluminescence (PL) properties, thermal stability, energy transfer and luminescent decay curves have been investigated. Sr2Mg(BO3)2:Ce3+,Li+,Mn2+phosphors show blue and deep-red1emission bands. The deep-red emission band is attributed to the energy transfer from Ce3+to Mn2+. The fluorescence lifetimes of Ce3+in co-doped sample are shorter than that in single doped one, which confirms that the energy transfer takes place. The phosphors have weak thermal quenching. The luminescence properties of Sr2Mg(BO3)2:Ce3+,Li+,Mn2+make the phosphor a new bicolor emitting material.
