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liuying0126

木虫 (正式写手)

[求助] 求助中译英,荧光粉发光方面问题

【最理想的荧光材料是激发同一种晶格,能呈现出不同颜色的光发射的荧光材料。例如,Eu2+/Mn2+,Ce3+/Mn2+,Ce3+/Eu2+ 共掺离子在基质中可以呈现出 f-d 或者 d-d电子构型,激发辐射出不同颜色的光。同时由于激活离子之间的多偶极子作用,会发生彼此能带之间的能量转移效应。所以,通过共掺不同的稀土离子,使同一种主晶格的荧光粉,能够发射出绿色-黄色-橙色光,对于提高荧光粉的发光性能,扩大使用范围,具有重要的意义。】
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睢园绿竹

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【答案】应助回帖

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liuying0126: 金币+20, 翻译EPI+1, ★★★★★最佳答案, 谢谢 2012-09-27 08:58:50
The ideal fluorescent material is excited the single lattice which can exhibit different colors of light. For example, Eu2 + / Mn2 +, Ce3 + / Mn2 + of Ce3 + / Eu2 + codoped in the same matrix can exhibit f-d or d-d electronic configuration, following the excitation radiation with different colors emission. Meanwhile, due to the role of a multi-dipole between the active ionic species, the energy transfer will occur between the band and each other. Therefore, by co-doping different rare earth ions, the host lattice of the same kind of the phosphor capable of emitting a green - yellow - orange light, has important significance for improving the luminescent properties of the phosphor, and  further expand the scope of applications

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2楼2012-09-26 22:32:00
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