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Preparation, crystal structure and luminescence properties of red-emitting it Lu3Al5O12: Mn4+ ceramic phosphor
Zhang, Yunli; Hu, Song; Liu, Yingli; Wang, Zhengjuan; Ying, Wei; Zhou, Guohong; Wang, Shiwei
2019
Source PublicationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY
ISSN0955-2219
Volume39Issue:2019-02-03Pages:584
SubtypeArticle
AbstractA series of red-emitting Mn4+ doped Lu3Al5O12 (LuAG) ceramic phosphors were successfully prepared by a simple solid-state reaction method in a high-temperature muffle. MgO was co-doped as sintering aids and Mg2+ ions helped to realize the charge balance. The relations between the luminescence properties, crystal structures and the microstructures were well established. Results indicated that MgO promoted the densification of the ceramics as the specimens' relative densities were up to 99%. Moreover, the substitution of Al3+ with Mg2+ have changed crystal structures and further affected the luminescent properties. Overall, the obtained ceramic phosphors showed strong red-light emission under excitation of ultraviolet and blue light. By optimizing the Mg2+ and Mn4+ concentration, a quantum efficiency (QE) as high as 47.8% can be achieved under the excitation of 460 nm light, indicating that the LuAG: Mn4+ ceramic phosphors are promising candidates for WLEDs applications.
KeywordCeramic phosphor Red emitting Mn4+ Mg2+ ESR
DOI10.1016/j.jeurceramsoc.2018.08.031
WOS KeywordCOLOR CONVERTER ; ENHANCED LUMINESCENCE ; EMISSION ; PROGRESS ; DESIGN ; ROBUST ; MGO
Language英语
WOS Research AreaMaterials Science
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27557
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zhang, Yunli,Hu, Song,Liu, Yingli,et al. Preparation, crystal structure and luminescence properties of red-emitting it Lu3Al5O12: Mn4+ ceramic phosphor[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2019,39(2019-02-03):584.
APA Zhang, Yunli.,Hu, Song.,Liu, Yingli.,Wang, Zhengjuan.,Ying, Wei.,...&Wang, Shiwei.(2019).Preparation, crystal structure and luminescence properties of red-emitting it Lu3Al5O12: Mn4+ ceramic phosphor.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,39(2019-02-03),584.
MLA Zhang, Yunli,et al."Preparation, crystal structure and luminescence properties of red-emitting it Lu3Al5O12: Mn4+ ceramic phosphor".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 39.2019-02-03(2019):584.
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