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Ca3Al2(SiO4)3- Cl4:Eu2+, Mn 2+: A potential phosphor with energy transfer for near-UV pumped white-LEDs
其他题名论文其他题名
Lu W.; Hao Z.; Zhang X.; Liu X.; Wang X.; Zhang J.
2011
发表期刊Optical Materials
ISSN9253467
卷号33期号:8页码:1262-1265
摘要A series of Eu2+ and Mn2+ coactivated Ca 3Al2(SiO4)3- Cl4 phosphors have been synthesized by solid state reactions and their luminescence properties have been investigated by means of powder diffuse reflection, photoluminescence excitation and emission spectra, and lifetimes. The phosphor Ca 3Al2(SiO4)3- Cl4:Eu2+, Mn 2+ exhibits two dominating bands situated at 460 and 550 nm, originate from the allowed 5d 4f transition of the Eu2+ ion and the 4T1g(4G) 6A1g(6S) transition of the Mn2+ ion, respectively. We have discovered that energy transfers from Eu2+ to Mn2+ by directly observing significant overlap of the excitation spectrum of Mn2+ and the emission spectrum of Eu2+ as well as the decline of lifetimes of Eu2+. By utilizing the principle of energy transfer, we have demonstrated that with appropriate tuning of activator content Ca 3Al2(SiO4)3- Cl4:Eu2+, Mn 2+ phosphors exhibit potential to act as a phosphor for near ultraviolet light-emitting diodes. 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/181722/24442
专题中科院长春光机所知识产出
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Lu W.,Hao Z.,Zhang X.,et al. Ca3Al2(SiO4)3- Cl4:Eu2+, Mn 2+: A potential phosphor with energy transfer for near-UV pumped white-LEDs[J]. Optical Materials,2011,33(8):1262-1265.
APA Lu W.,Hao Z.,Zhang X.,Liu X.,Wang X.,&Zhang J..(2011).Ca3Al2(SiO4)3- Cl4:Eu2+, Mn 2+: A potential phosphor with energy transfer for near-UV pumped white-LEDs.Optical Materials,33(8),1262-1265.
MLA Lu W.,et al."Ca3Al2(SiO4)3- Cl4:Eu2+, Mn 2+: A potential phosphor with energy transfer for near-UV pumped white-LEDs".Optical Materials 33.8(2011):1262-1265.
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