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Giant enhancement of white light emission from Ca(9)Ln(PO4)(7):Eu2+,Mn2+ (Ln = La, Lu, Gd) phosphors achieved by remote aluminum reduction
Fang, YZ; Huang, YL; Cao, YR; Zhao, GY; Liu, YF; Huang, FQ; Sun, HT; Ou, HY; Hou, JS
2020-05-01
Source PublicationOPTICAL MATERIALS EXPRESS
ISSN2159-3930
Issue5Pages:1306
SubtypeArticle
AbstractA series of single-phase Ca(9)Ln(PO4)(7):Eu2+,Mn2+ (Ln = Gd, La, Lu) phosphors with enhanced quantum yields were successfully developed through a topochemical reduction reaction strategy by using elemental aluminum as the reducing agent. Changes were observed both in the spectral shapes and photoluminescence intensities. New broadband emission covering the whole red region and centered at 630 nm from the remote Al reduced Ca(9)Ln(PO4)(7):Eu2+ phosphors was observed, and their PL intensity was tbund to be greatly enhanced. The remote Al reduced Ca9Gd(PO4)7:Eu2+ reaches 4.3 times higher PL than the phosphors prepared by the traditional reduction method under CO atmosphere with the optimal Eu2+ dopant content. Finally, enhanced white-light emissions were gradually obtained by co-doping Eu2+ and Mn2+ in Ca(9)Ln(PO4)(7), and the PLQY value is raised from extremely low to 61.6%. The mechanism for the changes of luminescence behavior was studied and discussed. This research also provides an enlightening reference for the preparation and development of high efficiency single-phase white light emitting phosphors. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
DOI10.1364/OME.390069
WOS KeywordENERGY-TRANSFER PROPERTIES ; EPITAXIAL THIN-FILMS ; PHOTOLUMINESCENCE PROPERTIES ; STRUCTURE REFINEMENT ; TUNABLE PHOSPHOR ; MN2+ ; LUMINESCENCE ; CE3+ ; FE ; NANOPARTICLES
Language英语
WOS Research AreaMaterials Science ; Optics
PublisherOPTICAL SOC AMER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28092
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Fang, YZ,Huang, YL,Cao, YR,et al. Giant enhancement of white light emission from Ca(9)Ln(PO4)(7):Eu2+,Mn2+ (Ln = La, Lu, Gd) phosphors achieved by remote aluminum reduction[J]. OPTICAL MATERIALS EXPRESS,2020(5):1306.
APA Fang, YZ.,Huang, YL.,Cao, YR.,Zhao, GY.,Liu, YF.,...&Hou, JS.(2020).Giant enhancement of white light emission from Ca(9)Ln(PO4)(7):Eu2+,Mn2+ (Ln = La, Lu, Gd) phosphors achieved by remote aluminum reduction.OPTICAL MATERIALS EXPRESS(5),1306.
MLA Fang, YZ,et al."Giant enhancement of white light emission from Ca(9)Ln(PO4)(7):Eu2+,Mn2+ (Ln = La, Lu, Gd) phosphors achieved by remote aluminum reduction".OPTICAL MATERIALS EXPRESS .5(2020):1306.
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