Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Near UV and blue-based LED fabricated with Ca8Zn(SiO 4)4Cl2:Eu2+ as green-emitting phosphor | |
其他题名 | 论文其他题名 |
Lu W.; Hao Z.; Zhang X.; Wang X.; Zhang J. | |
2011 | |
发表期刊 | Optical Materials |
ISSN | 9253467 |
卷号 | 34期号:1页码:261-264 |
摘要 | Green-emitting phosphor Ca8Zn(SiO4) 4Cl2:Eu2+ has been prepared by the solid state reaction method and there luminescence properties are investigated. The excitation spectrum of Ca8Zn(SiO4)4Cl 2:Eu2+ shows an intense excitation band in the blue centered at 450 nm and emits with a maximum at 505 nm. The concentration quenching mechanism is studied and verified to be the energy transfer among the nearest-neighbor ions. Upon 450 nm excitation, the emission intensity of Ca 8Zn(SiO4)4Cl2:Eu2+ is much stronger than the green emitting Ca3SO4Cl 2:Eu2+ phosphor and even higher than YAG:Ce3+. This excitation spectrum range matches UV and blue light-emitting diodes (LEDS) chips very well, suggesting Ca8Zn(SiO4)4Cl 2:Eu2+ could be a promising green emitting phosphor candidate for LED devices. 2011 Elsevier B.V. All rights reserved. |
收录类别 | EI |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/24444 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Lu W.,Hao Z.,Zhang X.,et al. Near UV and blue-based LED fabricated with Ca8Zn(SiO 4)4Cl2:Eu2+ as green-emitting phosphor[J]. Optical Materials,2011,34(1):261-264. |
APA | Lu W.,Hao Z.,Zhang X.,Wang X.,&Zhang J..(2011).Near UV and blue-based LED fabricated with Ca8Zn(SiO 4)4Cl2:Eu2+ as green-emitting phosphor.Optical Materials,34(1),261-264. |
MLA | Lu W.,et al."Near UV and blue-based LED fabricated with Ca8Zn(SiO 4)4Cl2:Eu2+ as green-emitting phosphor".Optical Materials 34.1(2011):261-264. |
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