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YAG:Tb熒光粉的合成和發(fā)光性質(zhì)研究
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高等學(xué)?？萍紕?chuàng)新工程重大項目培育基金項目(707029)


Study on Synthesis and Spectral Properties of YAG:Tb Phosphor
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    摘要:

    系統(tǒng)地研究了YAG:Tb熒光粉的合成和發(fā)光特性。結(jié)果表明：采用高溫固相反應(yīng)法在1400 ℃可以合成不含雜相的YAG:Tb熒光粉；鋱含量的變化對YAG:Tb熒光粉激發(fā)光譜沒有影響，而對發(fā)射光譜和亮度有明顯的影響；隨著鋱含量的增加，熒光粉的亮度逐漸升高，沒有出現(xiàn)明顯的濃度猝滅現(xiàn)象；隨著鎵含量的增加，熒光粉的亮度先增加后減小，激發(fā)光譜主峰向短波方向移動，發(fā)射光譜也發(fā)生明顯變化

    Abstract:

    The synthesis and spectral properties of YAG:Tb phosphor were investigated. The results show that the single pure YAG:Tb phosphor powder can be synthesized at 1400 oC by solid state reaction. The Tb concentration has no influence on the excited spectra of the phosphor, while it changes the emission spectra and the relative brightness of the phosphor obviously. The relative brightness of the phosphor increases gradually with the growing Tb concentration. There is no obvious concentration quenching phenomenon in the experiment. The relative brightness of the phosphor increases first and then decreases with Ga doping. The excited spectra and emission spectra of the phosphor doped with Ga changes independently

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沈友德,董 巖,李慧娟,韓學(xué)林,蔣建清. YAG:Tb熒光粉的合成和發(fā)光性質(zhì)研究[J].稀有金屬材料與工程,2011,40(7):1268~1270.[Shen Youde, Dong Yan, Li Huijuan, Han Xueling, Jiang Jianqing. Study on Synthesis and Spectral Properties of YAG:Tb Phosphor[J]. Rare Metal Materials and Engineering,2011,40(7):1268~1270.]
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  • 收稿日期:2010-07-17
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