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题名: Blue emission of ZrO2 : Tm nanocrystals with different crystalstructure under UV excitation
作者: Zhang, Hongwu1;  Fu, Xiaoyan2;  Niu, Shuyun2;  Xin, Qin1
关键词: nanocrystals ;  nanoparticles ;  luminescence ;  sol-gels (xerogels)
刊名: JOURNAL OF NON-CRYSTALLINE SOLIDS
发表日期: 2008-03-01
DOI: 10.1016/j.jnoncrysol.2007.08.064
卷: 354, 期:14, 页:1559-1563
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Materials Science, Ceramics ;  Materials Science, Multidisciplinary
研究领域[WOS]: Materials Science
英文摘要: In this paper, thulium doped ZrO2 nanocrystals with different phases were prepared by Pechini sol-gel complex method. The effects of host structure, phases and concentration on luminescence properties of Tm3+ ions were investigated. With the increase of the concentration of Tm3+ ions, the phosphors phase transformed from monoclinic to tetragonal structure and all the phosphors emitted blue light. However, because the environment symmetry around Tm3+ in m-ZrO2 (C-2h) is worse than that of t-ZrO2 (D-4h), there were still obvious differences in the emission and excitation. The reason was investigated with the help of energy level diagram. In addition, the quenching concentration of Tm3+ in ZrO2 host is 1 m/m%. (C) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: ER3+-ZRO2 NANOCRYSTALS ;  GEL METHOD ;  PHOTOLUMINESCENCE ;  LUMINESCENCE ;  PHOSPHORS ;  ZIRCONIA
语种: 英语
WOS记录号: WOS:000253649700018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140948
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Liaoning Normal Univ, Dept Chem, Dalian 116029, Peoples R China

Recommended Citation:
Zhang, Hongwu,Fu, Xiaoyan,Niu, Shuyun,et al. Blue emission of ZrO2 : Tm nanocrystals with different crystalstructure under UV excitation[J]. JOURNAL OF NON-CRYSTALLINE SOLIDS,2008,354(14):1559-1563.
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