Photoluminescence and raman spectra of double-perovskite   Sr(2)Ca(Mo/W)O(6) with A- and B-site substitutions of Eu(3+)

doi:10.1149/1.2898897

CORC > 北京大学 > 化学与分子工程学院

	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
刊名	journal of the electrochemical society
	2008
关键词	ORANGE-RED PHOSPHOR MIXED METAL OXIDES ORDERED PEROVSKITES UV EXCITATION FLUORESCENCE
DOI	10.1149/1.2898897
英文摘要	A- 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.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000255524100071&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Electrochemistry; Materials Science, Coatings & Films; SCI(E); EI; 73; ARTICLE; 6; J148-J151; 155
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/313267]
专题	化学与分子工程学院
推荐引用方式 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.
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.
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 (2008).