A new dual-emission phosphor Ca4Si2O7F2:Ce3+, Mn2+ with energy transfer for near-UV LEDs

	A new dual-emission phosphor Ca4Si2O7F2:Ce3+, Mn2+ with energy transfer for near-UV LEDs
其他题名	论文其他题名
	Lu W.; Luo Y. S.; Hao Z. D.; Zhang X.; Wang X. J.; Zhang J. H.
	2012
发表期刊	Materials Letters
ISSN	0167-577X
卷号	77 页码:45-47
摘要	Ce3+ and Mn2+ co-doped Ca4Si2O7F2 phosphors have been synthesized by high temperature solid state reaction and their luminescence properties are investigated. The effect of Ce3+ concentration on the emission intensity of Ca4Si2O7F2: Ce3+ is studied, and the emission intensity reaches a maximum at 4% Ce3+. Energy transfer from Ce3+ to Mn2+ is observed. The emission spectra of the phosphors show a blue broad band at 460 nm of Ce3+ and a yellow band at 580 nm of Mn2+, originate from the allowed 5d -> 4f transition of the Ce3+ ion and the T-4(1g)((4)G) -> (6)A(1g)(S-6) transition of the Mn2+ ion, respectively. Results indicate that the varied emitted color from blue to yellow can be achieved by tuning the relative ratio of the Ce3+ to Mn2+ ions based on the principle of energy transfer. We have demonstrated that Ca4Si2O7F2: Ce3+, Mn2+ phosphors can be a promising candidate for a color-tunable phosphor applied in a near-UV White light emitting diodes. (C) 2012 Elsevier B.V. All rights reserved.
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/24672
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.,Luo Y. S.,Hao Z. D.,et al. A new dual-emission phosphor Ca4Si2O7F2:Ce3+, Mn2+ with energy transfer for near-UV LEDs[J]. Materials Letters,2012,77:45-47.
APA	Lu W.,Luo Y. S.,Hao Z. D.,Zhang X.,Wang X. J.,&Zhang J. H..(2012).A new dual-emission phosphor Ca4Si2O7F2:Ce3+, Mn2+ with energy transfer for near-UV LEDs.Materials Letters,77,45-47.
MLA	Lu W.,et al."A new dual-emission phosphor Ca4Si2O7F2:Ce3+, Mn2+ with energy transfer for near-UV LEDs".Materials Letters 77(2012):45-47.

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