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The luminescence properties of the ZnO@ZnWO4 : Eu3+ core-shell composites
Dai, Qilin1,2; Song, Hongwei1,2; Pan, Guohui1,2; Bai, Xue1,2; Zhang, Hui1,2; Qin, Ruifei1,2; Hu, Lanying1,2; Zhao, Haifeng1,2; Lu, Shaozhe1,2; Ren, Xinguang1,2
Corresponding AuthorSong, Hongwei(hwsong2005@yahoo.com.cn)
2008-07-01
Source PublicationJOURNAL OF LUMINESCENCE
ISSN0022-2313
Volume128Issue:7Pages:1205-1210
AbstractThe ZnO@ZnWO4:Eu3+ core-shell composites were prepared by a two-step hydrothermal method and the photoluminescence properties of the composites were studied in contrast to the corresponding hexagonal ZnO and monoclinic ZnWO4: Eu3+ nanocrystals prepared by the one-step hydrothermal method. The results demonstrate that in the nanocomposites the Eu3+ ions in the ZnWO4 phase occupy two symmetry sites, one a well-crystalline inner site and one a disordered surface site; while in the ZnWO4: Eu3+ nanocrystals, the local environments surrounding Eu3+ ions are relatively disordered for both the inner and the surface sites. This indicates that in the composites, the crystallinity of the ZnWO4 becomes better, which have positive influence on the improvement of photoluminescence. The temperature stabilities for both the emissions of ZnO and Eu3+ ions are improved in contrast to the pure ZnO or ZnWO4:Eu3+ nanocrystals. (c) 2007 Elsevier B.V. All rights reserved.
Keywordcore-shell nanocomposite luminescence energy transfer
DOI10.1016/j.jlumin.2007.11.093
Indexed BySCI
Language英语
WOS Research AreaOptics
WOS SubjectOptics
WOS IDWOS:000255568900018
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/126290
Collection中国科学院金属研究所
Corresponding AuthorSong, Hongwei
Affiliation1.Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Key Lab Excited State Phys, Changchun 130033, Peoples R China
2.Grad Sch Chinese Acad Sci, Changchun 130033, Peoples R China
Recommended Citation
GB/T 7714
Dai, Qilin,Song, Hongwei,Pan, Guohui,et al. The luminescence properties of the ZnO@ZnWO4 : Eu3+ core-shell composites[J]. JOURNAL OF LUMINESCENCE,2008,128(7):1205-1210.
APA Dai, Qilin.,Song, Hongwei.,Pan, Guohui.,Bai, Xue.,Zhang, Hui.,...&Ren, Xinguang.(2008).The luminescence properties of the ZnO@ZnWO4 : Eu3+ core-shell composites.JOURNAL OF LUMINESCENCE,128(7),1205-1210.
MLA Dai, Qilin,et al."The luminescence properties of the ZnO@ZnWO4 : Eu3+ core-shell composites".JOURNAL OF LUMINESCENCE 128.7(2008):1205-1210.
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