Photoluminescence properties of (Ba1-xEux)WO4 red synthesized by the coprecipitation/calcination method

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	Photoluminescence properties of (Ba1-xEux)WO4 red synthesized by the coprecipitation/calcination method
	W. L. Feng; M. F. Zhao; J. Y. Xue; X. J. Tian
	2012
发表期刊	Journal of Alloys and Compounds
ISSN	0925-8388
卷号	521 页码:146-149
摘要	In this paper, we report on the series of novel red phosphors (Ba1-xEux)WO4 were synthesized by coprecipitation/calcination method. The morphology and structure were characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD). Photoluminescence (PL) excitation and emission spectra were also used to characterize the (Ba1-xEux)WO4. The results showed that all phosphors present a scheelite-type tetragonal structure with space group (I4(1)/a). The SEM images showed that the grains were like shuttles with sizes ranging from 3.0 to 7.0 mu m. The obtained (Ba1-xEux)WO4 phosphor emitted red emission centered at 612 nm corresponding to the D-5(0) -> F-7(2) transition of Eu3+ when was excited by 394 nm and 465 nm which well matched with near-ultraviolet and blue chips. The optimized concentration of Eu3+ was 20 mol.% for the highest PL emission intensity which was excited at 534 nm. The concentration quenching occurred when the Eu3+ concentration was beyond 20 mol.%. (C) 2012 Elsevier B.V. All rights reserved.
部门归属	[feng wen-lin; tian xiao-jiao] chongqing univ technol, dept appl phys, chongqing 400054, peoples r china. [zhao ming-fu; xue ji-yuan] chongqing univ technol, dept elect informat & automat, chongqing 400054, peoples r china. [feng wen-lin] chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china.;feng, wl (reprint author), chongqing univ technol, dept appl phys, chongqing 400054, peoples r china.;wenlinfeng@126.com
关键词	Photoluminescence Phosphor Coprecipitation (Ba1-xeux)Wo4 Luminescent Properties Phosphors Bawo4
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/59947
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	W. L. Feng,M. F. Zhao,J. Y. Xue,et al. Photoluminescence properties of (Ba1-xEux)WO4 red synthesized by the coprecipitation/calcination method[J]. Journal of Alloys and Compounds,2012,521:146-149.
APA	W. L. Feng,M. F. Zhao,J. Y. Xue,&X. J. Tian.(2012).Photoluminescence properties of (Ba1-xEux)WO4 red synthesized by the coprecipitation/calcination method.Journal of Alloys and Compounds,521,146-149.
MLA	W. L. Feng,et al."Photoluminescence properties of (Ba1-xEux)WO4 red synthesized by the coprecipitation/calcination method".Journal of Alloys and Compounds 521(2012):146-149.