Photoluminescence and Ce~(3+) → Tb~(3+) energy transfer in fluoro-apatite host Ca_6La_2Na_2(PO_4)_6F_2

Mubiao Xie; Rongkai Pan

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Photoluminescence and Ce~(3+) → Tb~(3+) energy transfer in fluoro-apatite host Ca_6La_2Na_2(PO_4)_6F_2

机译：氟磷灰石基质Ca_6La_2Na_2（PO_4）_6F_2中的光致发光和Ce〜（3+）→Tb〜（3+）能量转移

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Ce~(3+) and Tb~(3+) activated fluoro-apatite Ca_6La_2Na_2(PO_4)_6F_2 with chemical formulas Ca_6La_2Na_2(PO_4)_6F_2 (Ln = Ce~(3+), Tb~(3+)) were prepared by a solid state reaction technique at high temperature, and their ultraviolet (UV)-visible spectroscopic properties were investigated. The results indicate that Ce~(3+) ions show emission with a broad band at ～345 nm, while Tb~(3+) ions exhibit intense absorption at ultraviolet range and characteristical green-emitting. In addition, the efficient energy transfer from Ce~(3+) to Tb~(3+) in the co-doped samples were observed and discussed.

机译：制备化学式为Ca_6La_2Na_2（PO_4）_6F_2（Ln = Ce〜（3+），Tb〜（3+））的Ce〜（3+）和Tb〜（3+）活化的氟磷灰石Ca_6La_2Na_2（PO_4）_6F_2研究了高温下的固态反应技术，并研究了它们的紫外可见光谱特性。结果表明，Ce〜（3+）离子在〜345 nm处有较宽的发射带，而Tb〜（3+）离子在紫外线范围内有较强的吸收能力，并具有典型的绿色发射特性。此外，还观察和讨论了共掺杂样品中从Ce〜（3+）到Tb〜（3+）的有效能量转移。

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来源
《Optical Materials》 |2013年第6期|1162-1166|共5页
作者
Mubiao Xie; Rongkai Pan;
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作者单位

School of Chemistry Science & Technology Zhanjiang Normal University Zhanjiang 524048 PR China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
phosphor; photoluminescence; energy transfer; fluoro-apatite;

机译：磷;光致发光能量转移;氟磷灰石;

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Photoluminescence and Ce~(3+) → Tb~(3+) energy transfer in fluoro-apatite host Ca_6La_2Na_2(PO_4)_6F_2

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