Spectral, energy resolution properties and green-yellow LEDs applications of transparent Ce3+:Lu3Al5O12 ceramics | |
Du, Miaomiao1; Chen, Jinda2; Tang, Fei1; Ma, Chaoyang1; Ma, Ran1; Yuan, Xuanyi1; Wen, Zicheng1; Long, Jiaqi1; Li, Junting1; Cao, Yongge1 | |
刊名 | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY |
2016-12-01 | |
卷号 | 36页码:4205-4213 |
关键词 | LEDs Ce:LuAG Energy levels XPS Energy resolution |
ISSN号 | 0955-2219 |
DOI | 10.1016/j.jeurceramsoc.2016.06.015 |
英文摘要 | Transparent Ce3+:Lu3Al5O12 ceramics were successfully fabricated by combining tape-casting method and direct-forming method with solid-state sintering. The in-line optical transmittance and absorption spectra of as-sintered and air-annealed Ce:LuAG ceramics were comparely studied. XPS spectra indicated Ce3+ and Ce4+ ions co-existed in the prepared ceramics. Energy levels splitting of Ce3+ in LuAG hosts were investigated based on broad-band emission from 500 nm to 700 nm resulting from the electron transitions from 5d(1) excited levels (D-2) to 4f ground state of Ce3+ (F-2(5/2), F-2(7/2)). The fluorescence lifetimes at 540 nm were 50-60 ns and energy resolution of 12% was achieved at Na-22 (511 keV). When collaborated with InGaN-GaN LED chips, a maximum CRI of 55.8 with LE as high as 223.4 lm/W were demonstrated, indicating that Ce:LuAG ceramics had a promising potential for white light-emitting diodes. (C) 2016 Elsevier Ltd. All rights reserved. |
资助项目 | National Natural Science Foundation of China[51272282] ; National Natural Science Foundation of China[51302311] ; significant achievement transformation project of colleges and universities of the Central in Beijing - Beijing Municipal Education Comission[ZD20141000201] |
WOS关键词 | LIGHT-EMITTING-DIODES ; YAG CERAMICS ; SCINTILLATOR ; FABRICATION ; XPS ; ENHANCEMENT ; LU3AL5O12 ; PHOSPHOR ; CEO2 ; LUAG |
WOS研究方向 | Materials Science |
语种 | 英语 |
出版者 | ELSEVIER SCI LTD |
WOS记录号 | WOS:000382595600045 |
资助机构 | National Natural Science Foundation of China ; significant achievement transformation project of colleges and universities of the Central in Beijing - Beijing Municipal Education Comission |
内容类型 | 期刊论文 |
源URL | [http://119.78.100.186/handle/113462/43399] |
专题 | 近代物理研究所_实验物理中心 |
通讯作者 | Cao, Yongge |
作者单位 | 1.Renmin Univ China, Dept Phys, Beijing Key Lab Optoelect Funct Mat & Micronano D, Beijing 100872, Peoples R China 2.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China |
推荐引用方式 GB/T 7714 | Du, Miaomiao,Chen, Jinda,Tang, Fei,et al. Spectral, energy resolution properties and green-yellow LEDs applications of transparent Ce3+:Lu3Al5O12 ceramics[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2016,36:4205-4213. |
APA | Du, Miaomiao.,Chen, Jinda.,Tang, Fei.,Ma, Chaoyang.,Ma, Ran.,...&Zhang, Jiantao.(2016).Spectral, energy resolution properties and green-yellow LEDs applications of transparent Ce3+:Lu3Al5O12 ceramics.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,36,4205-4213. |
MLA | Du, Miaomiao,et al."Spectral, energy resolution properties and green-yellow LEDs applications of transparent Ce3+:Lu3Al5O12 ceramics".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 36(2016):4205-4213. |
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