| 锂-6玻璃闪烁体中Gd3+-Ce3+能量转移对发光性能的影响 |
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| 引用本文： | 朱永昌,刘群,高祀建,滕伟锋,欧阳世翕. 锂-6玻璃闪烁体中Gd3+-Ce3+能量转移对发光性能的影响[J]. 中国稀土学报, 2012, 30(3): 325-329 |
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| 作者姓名： | 朱永昌 刘群 高祀建 滕伟锋 欧阳世翕 |
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| 作者单位： | 1. 中国建筑材料科学研究总院石英与特种玻璃研究院,北京,100024
2. 中国兵器工业第205研究所,陕西西安,710065 |
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| 基金项目： | 国家自然科学基金资助项目(50672092) |
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| 摘 要： | 研究了锂-6玻璃闪烁体中Gd3+引入对其发光性能的影响,结果表明:锂-6玻璃闪烁中Gd3+的引入存在Gd3+→Ce3+能量转移机制,有利于提高玻璃闪烁体的发光强度,Gd3+的引入同时提高了玻璃闪烁体的光碱度,使发射波长产生了相应的红移,Stokes位移变大;Gd3+在锂-6玻璃闪烁中较佳掺杂范围在15%左右,过高会产生相应的浓度淬灭效应,反而不利于玻璃闪烁体的发光。
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| 关 键 词： | 锂-6玻璃闪烁体 Ce3+ Gd3+ 发光 能量转移 |
Effects of Gd3+-Ce3+ Energy Transfer on Luminescent Properties of Lithium-6 Glass Scintillator |
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| Zhu Yongchang , Liu Qun , Gao Sijian , Teng Weifeng , Ouyang Shixi. Effects of Gd3+-Ce3+ Energy Transfer on Luminescent Properties of Lithium-6 Glass Scintillator[J]. Journal of the Chinese Society of Rare Earths, 2012, 30(3): 325-329 |
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| Authors: | Zhu Yongchang Liu Qun Gao Sijian Teng Weifeng Ouyang Shixi |
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| Affiliation: | Zhu Yongchang1,Liu Qun2,Gao Sijian1,Teng Weifeng1,Ouyang Shixi1(1.Institute of Quartz and Special Glasses,China Building Materials Academy,Beijing 100024,China;2.205 Institute of China Weapon Industry,Xi′an 710065,China) |
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| Abstract: | Effect of Gd3+ on luminescent properties of lithium-6 glass scintillator was studied.Results of radioluminescence spectra showed that the introduction of Gd3+ in lithium-6 glass scintillator improved the luminescent intensities because of Gd3+→Ce3+ energy transfer,and at the same time,the introduction of Gd3+ increased optical basicity of glass scintillator,so that the corresponding emission wavelength red-shift and larger Stokes shift produced.The Gd3+ content in the lithium-6 doped glass had a better range about 15%,it was too high to enhance luminescence of lithium-6 glass scintillator because of corresponding concentration quenching effect. |
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| Keywords: | lithium-6 glass scintillator Ce3+ Gd3+ luminescence energy transfer |
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