Photoluminescence of new fluorophosphate glasses containing a high concentration of terbium (III) ions
Photoluminescence of new fluorophosphate glasses containing a high concentration of terbium (III) ions
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DOI：
10.1016/0925-3467(95)00064-x
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发表时间：
1996-03
影响因子：
3.9
通讯作者：
Nathalie Duhamel-Henry;J. Adam;B. Jacquier;C. Linares
中科院分区：
文献类型：
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作者：
Nathalie Duhamel-Henry;J. Adam;B. Jacquier;C. Linares
新型氟磷酸盐玻璃含有重浓度的Tb 3+离子的光学吸收和发射，和衰减时间进行了研究。从5D4发射能级观察到强烈的绿色发光。无论铽的浓度如何，衰减都是单指数的，铽的浓度可以高达36mol%。在高浓度下，快速扩散过程是能量从该水平迁移的原因。对于5D3，另一方面，排放量是强烈的浓度依赖性，和衰变很好地占Inokuti-Hirayama模型。
Novel fluorophosphate glasses containing a heavy concentration of Tb3+ions are studied in terms of optical absorption and emission, and decaytimes. From the5D4emitting level, an intense green luminescence is observed. The decay is single-exponential whatever the terbium concentration which can be as large as 36 mol%. At high concentrations, a fast diffusion process is responsible for the energy migration from that level. For5D3, on the other hand, emissions are strongly concentration-dependent, and the decays are well accounted for by the Inokuti-Hirayama model.