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Preparation and luminescence properties of thermally stable Mn4+ doped spinel red-emitting ceramic phosphors
Zhang, YL; Liu, YL; Yang, L; Hu, S; Wang, ZJ; Jing, Z; Nian, HQ; Liu, B; Zhou, GH; Wang, SW
2020-04-01
Source PublicationJOURNAL OF LUMINESCENCE
ISSN0022-2313
SubtypeArticle
AbstractRed-emitting ceramic phosphors are significant for warm white light emitting diodes (WLEDs) with high color rendering index (CRI). In this work, Mn doped spinel ceramic phosphors were prepared via high temperature solid-state reaction sintering. The photoluminescence properties of the as-prepared ceramic phosphors were elaborately discussed. The Mn4+ doped spinel ceramics were successfully obtained by incorporating excessive Mg2+ as the charge compensator. They showed red emission peaking at 652 nm under 450 nm excitation. Furthermore, it's exciting to find that the red-emitting ceramic phosphors showed high thermal stability. As operated at 450 K, the emission intensity remained about 66% of the initial intensity operated at room temperature. The results indicate that the Mn4+ doped spinel ceramic phosphors are promising red color converters for warm-WLEDs.
DOI10.1016/j.jlumin.2019.117016
WOS KeywordPHOTOLUMINESCENCE PROPERTIES ; ROBUST
Language英语
WOS Research AreaOptics
PublisherELSEVIER
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28192
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zhang, YL,Liu, YL,Yang, L,et al. Preparation and luminescence properties of thermally stable Mn4+ doped spinel red-emitting ceramic phosphors[J]. JOURNAL OF LUMINESCENCE,2020.
APA Zhang, YL.,Liu, YL.,Yang, L.,Hu, S.,Wang, ZJ.,...&Wang, SW.(2020).Preparation and luminescence properties of thermally stable Mn4+ doped spinel red-emitting ceramic phosphors.JOURNAL OF LUMINESCENCE.
MLA Zhang, YL,et al."Preparation and luminescence properties of thermally stable Mn4+ doped spinel red-emitting ceramic phosphors".JOURNAL OF LUMINESCENCE (2020).
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