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Al2O3:Eu3+spherical red-emitting phosphor: Synthesis by hydrothermal technique and luminescence characteristics
Hu, Yue1,2,3; Liu, Qian1,2; Liu, Guanghui1,2; Zhou, Zhenzhen1,2
2017
发表期刊Journal of Alloys and Compounds
ISSN09258388
卷号724页码:969-974
摘要An experimental assessment of europium doped Al2O3spherical phosphors has been conducted, in conjunction with a controllable morphology via one-pot hydrothermal synthesis route and typical red light emission. The most important synthesis step of spheres is utilizing of glucose as structuring additive, followed by a subsequent calcination process in a range of 600–1300 °C. It was found that the final products Al2O3:Eu3+exhibited a micro-spherical structure. SEM images indicate that the spheres consist of cross-linked sheets at lower calcination temperatures or coral-like subunits at higher temperatures. XRD patterns show that the adequate calcination temperature can guarantee a well-crystallized Al2O3phase formation. Furthermore, under excitation of a xenon lamp (λex= 392 nm), the Al2O3:Eu3+phosphors exhibit a bright red emission. All results of this research can also contribute to a simple synthesis route of metal oxide based phosphors with spherical morphology and lower temperature conditions. © 2017 Elsevier B.V.
DOI10.1016/j.jallcom.2017.05.250
EI入藏号20172903957758
EI主题词Hydrothermal synthesis
EI分类号707.2 Electric Lamps - 741.1 Light/Optics - 802.2 Chemical Reactions - 802.3 Chemical Operations - 804.2 Inorganic Compounds - 951 Materials Science
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25768
专题中国科学院上海硅酸盐研究所
作者单位1.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai; 200050, China;
2.Shanghai Institute of Materials Genome, 99 Shangda Road, Shanghai; 200444, China;
3.University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing; 100049, China
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GB/T 7714
Hu, Yue,Liu, Qian,Liu, Guanghui,et al. Al2O3:Eu3+spherical red-emitting phosphor: Synthesis by hydrothermal technique and luminescence characteristics[J]. Journal of Alloys and Compounds,2017,724:969-974.
APA Hu, Yue,Liu, Qian,Liu, Guanghui,&Zhou, Zhenzhen.(2017).Al2O3:Eu3+spherical red-emitting phosphor: Synthesis by hydrothermal technique and luminescence characteristics.Journal of Alloys and Compounds,724,969-974.
MLA Hu, Yue,et al."Al2O3:Eu3+spherical red-emitting phosphor: Synthesis by hydrothermal technique and luminescence characteristics".Journal of Alloys and Compounds 724(2017):969-974.
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