Luminescence of Tb3+ in rare earth orthoborates excited by vacuum-ultraviolet (VUV) radiation

被引：0
|
作者：
Zhang, Weiping [1 ]
Mayolet, A. [1 ]
Krupa, J.C. [1 ]
机构：
[1] Univ of Science and Technology of, China, Hefei, China
来源：
Cailiao Yanjiu Xuebao/Chinese Journal of Materials Research | 1999年 / 13卷 / 03期
关键词：
Energy transfer - Inorganic compounds - Phosphorus - Photoluminescence - Rare earths - Terbium - Ultraviolet radiation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Luminescent properties of Tb3+ in rare earth orthoborates LnBO (Ln=Y, Gd and La) under VUV excitation were studied. From the Y-Gd-La, with the increase of cation radii and the lowering of lattice symmetry, the lowest 4f75d levels of Tb3+ were shifted to higher energy. The influence of the concentration of Tb3+ on the emission of Tb3+ and the energy transfer between Ce3+ and Tb3+ in LaBO3:Ce, Tb were discussed. It was found that the emission of Tb3+ in LaBO3:Ce, Tb is enhanced by Ce3+ when excited by UV, but it is killed by Ce3+, when excited by VUV. The LaBO3: Tb will be potential green phosphorus excited by VUV radiation.
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页码：234 / 238
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