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Dy3+含量对Eu2+,Dy3+共掺高硅氧发光玻璃发光性能的影响

Effect of Dy3+ Content on Luminescent Properties of Eu2+,Dy3+ Co-doped High Silica Luminescence Glass

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摘要

通过控制Dy3+的掺杂浓度, 制备出了不同浓度的Eu2+,Dy3+单掺和共掺高硅氧发光玻璃, 测试其激发和发射光谱, 讨论了Dy3+浓度对Eu2+,Dy3+共掺样品发光性质的影响。结果表明, Eu2+,Dy3+共掺高硅氧发光玻璃中存在Dy3+向Eu2+的无辐射能量传递现象, 且Dy3+的引入会使高硅氧发光玻璃中Eu—O的共价作用减弱, 造成Eu2+发射峰蓝移; 随着Dy3+浓度的增加, Dy3+→Eu2+能量传递增强, Eu2+发光增强; Dy3+含量继续增加, 则Dy3+发光出现浓度猝灭, 且Dy3+→Eu2+能量传递减弱。

Abstract

Eu2+ doped, Dy3+ doped and Eu2+,Dy3+ co-doped high silica luminescence glasses were prepared. By controlling the doping concentration of Dy3+, the different mole ratios of Dy3+ to Eu2+ were researched. The effect of Dy3+ on luminescence properties of Eu2+,Dy3+ co-doped high silica glass was studied by means of excitation and emission spectra. The results show that nonradioactive energy transfer from Dy3+ to Eu2+ occurred in Eu2+,Dy3+ co-doped high silica glass. By co-doping with Dy3+, the covalent strength of the Eu-O bond weakened, which causes blue shift of the emission peak of Eu2+. With the increasing concentration of Dy3+, the energy transfer process from Dy3+ to Eu2+ is enhanced, and the emission intensity of Eu2+ increase. When the concentration of Dy3+ continued increase, the luminescence of Dy3+ decrease because of the effect of concentration quenching and the impaired energy transfer process from Dy3+ to Eu2+.

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中图分类号:O433.4

DOI:10.3788/fgxb20123311.1161

所属栏目:材料合成及性能研究

基金项目:国家自然科学基金(61007030); 中央高校(CDJZR10120001)资助项目

收稿日期:2012-07-21

修改稿日期:2012-09-06

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任林娇:重庆大学光电工程学院 光电技术与系统教育部重点实验室, 重庆 400044
杜晓晴:重庆大学光电工程学院 光电技术与系统教育部重点实验室, 重庆 400044
雷小华:重庆大学光电工程学院 光电技术与系统教育部重点实验室, 重庆 400044
金雷:重庆大学光电工程学院 光电技术与系统教育部重点实验室, 重庆 400044
陈伟民:重庆大学光电工程学院 光电技术与系统教育部重点实验室, 重庆 400044

联系人作者:杜晓晴(duxq@cqu.edu.cn)

备注:任林娇(1987-), 女, 河南人, 博士研究生, 主要从事发光材料的研究。

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引用该论文

REN Lin-jiao,DU Xiao-qing,LEI Xiao-hua,JIN Lei,CHEN Wei-min. Effect of Dy3+ Content on Luminescent Properties of Eu2+,Dy3+ Co-doped High Silica Luminescence Glass[J]. Chinese Journal of Luminescence, 2012, 33(11): 1161-1165

任林娇,杜晓晴,雷小华,金雷,陈伟民. Dy3+含量对Eu2+,Dy3+共掺高硅氧发光玻璃发光性能的影响[J]. 发光学报, 2012, 33(11): 1161-1165

被引情况

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【2】韩晓哲,付方方,陈宝玖,马铁成,林海. 稀土铝磷酸盐玻璃中镨离子的可见光致发光. 发光学报, 2013, 34(10): 1306-1312

【3】金雷,雷小华,任林娇,冯永安,杜晓晴,陈伟民. Eu2+/Dy3+共掺高硅氧发光玻璃发光性质的影响因素分析. 光谱学与光谱分析, 2014, 34(1): 34-38

【4】丁 益,方 辉,张峰君,解文杰,张奇才,靳廷甲. 微乳液法合成的Eu3+掺杂La2(MoO4)3材料及其发光性能. 发光学报, 2015, 36(7): 775-781

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