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Photoluminescence and raman spectra of double-perovskite Sr(2)Ca(Mo/W)O(6) with A- and B-site substitutions of Eu(3+)
Ye, Shi; Wang, Chun-Hai; Jing, Xi-Ping
2008
Source PublicationJOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN0013-4651
Volume155Issue:6Pages:J148-J151
AbstractA- and B-site substituted double-perovskite Sr(2)CaMoO(6) by Eu(3+) have been synthesized using solid-state reactions and characterized by X-ray diffraction, Raman spectroscopy, and photoluminescence measurement. Raman spectra are used to identify the A- and B-site substitutions, because specific Raman peaks corresponding to different ions motion are sensitive to each situation. Raman data reveal that both the A- and B-site substituted solid solutions are formed. The photoluminescence intensity of the B-site substituted Sr(2)CaMoO(6) is evidently higher than that of the A-site substituted phosphor. The WO(6) group introduced into Sr(2)CaMoO(6):Eu(3+),Li(+) acts as an energy obstacle to prevent energy transfer among MoO(6) groups, leading to more energy being trapped by Eu(3+), and a higher photoluminescence intensity is obtained. The phosphor with optimized composition Sr(2)Ca(0.80)Li(0.10)Eu(0.10)Mo(0.10)W(0.90)O(6) shows a better luminescence intensity than the commercial phosphor Y(2)O(2)S:Eu under 395 nm excitations. (c) 2008 The Electrochemical Society.
DOI10.1149/1.2898897
Indexed BySCI
Language英语
WOS IDWOS:000255524100071
PublisherELECTROCHEMICAL SOC INC
Citation statistics
Cited Times:88[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/63600
Collection中国科学院化学研究所
Corresponding AuthorYe, Shi
AffiliationPeking Univ, Beijing Natl Lab Mol Sci, State Key Lab Rare Earth Mat Chem & Applicat, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Ye, Shi,Wang, Chun-Hai,Jing, Xi-Ping. Photoluminescence and raman spectra of double-perovskite Sr(2)Ca(Mo/W)O(6) with A- and B-site substitutions of Eu(3+)[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2008,155(6):J148-J151.
APA Ye, Shi,Wang, Chun-Hai,&Jing, Xi-Ping.(2008).Photoluminescence and raman spectra of double-perovskite Sr(2)Ca(Mo/W)O(6) with A- and B-site substitutions of Eu(3+).JOURNAL OF THE ELECTROCHEMICAL SOCIETY,155(6),J148-J151.
MLA Ye, Shi,et al."Photoluminescence and raman spectra of double-perovskite Sr(2)Ca(Mo/W)O(6) with A- and B-site substitutions of Eu(3+)".JOURNAL OF THE ELECTROCHEMICAL SOCIETY 155.6(2008):J148-J151.
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