CIOMP OpenIR  > 中科院长春光机所知识产出
Optical properties and energy transfers of Ce3+ and Mn2+ in Ba9Sc2(SiO4)(6)
Zhang X.; Liu Y. F.; Lin J.; Hao Z. D.; Luo Y. S.; Liu Q. Z.; Zhang J. H.
2014
Source PublicationJournal of Luminescence
ISSNISBN/0022-2313
Issue146Pages:321-324
AbstractAnalysis of XRD patterns indicates that Ce3+ and Mn2+ in Ba9Sc2(SiO4)(6) (BSS) presents preferably at the Sc3+ and the Ba2+ site, respectively. Ba9Sc2(SiO4)(6):Ce3+ (BSS:Ce3+) exhibits an intense emission band peaked at 383 nm. Codoping Mn2+ into this material can generate a red emission band at 615 nm of Mn2+ through Ce3+-Mn2+ energy transfers ETs). To achieve the ET mechanisms, critical distance and coefficient, the dynamical processes of the ET are investigated based on Inokuti-Hirayama model. For Ce3+ concentration of 5 mol%, the corresponding rate constant and the critical distance are evaluated to be 8.4 x 10(-37) cm(6) s(-1) and 0.52 nm, respectively. The ET efficiency can reach 48%. The emission intensity ratio of the Mn2+ to the Ce3+ is also studied to understand color-tunable luminescence as the blue Ce3+ is excited by UV light. These results show the promising application of this phosphor for white LEDs. (C) 2013 Elsevier B.V. All rights reserved.
Indexed BySCI ; EI
Language英语
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/44220
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Zhang X.,Liu Y. F.,Lin J.,et al. Optical properties and energy transfers of Ce3+ and Mn2+ in Ba9Sc2(SiO4)(6)[J]. Journal of Luminescence,2014(146):321-324.
APA Zhang X..,Liu Y. F..,Lin J..,Hao Z. D..,Luo Y. S..,...&Zhang J. H..(2014).Optical properties and energy transfers of Ce3+ and Mn2+ in Ba9Sc2(SiO4)(6).Journal of Luminescence(146),321-324.
MLA Zhang X.,et al."Optical properties and energy transfers of Ce3+ and Mn2+ in Ba9Sc2(SiO4)(6)".Journal of Luminescence .146(2014):321-324.
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