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Structure and photoluminescent properties of microstructural YBO3 : Eu3+ nanocrystals
Pan G. H.; Song H. W.; Yu L. X.; Liu Z. X.; Bai X.; Lei Y. Q.; Fan L. B.; Lu S. Z.; Ren X. G.
2007
发表期刊Journal of Nanoscience and Nanotechnology
ISSN1533-4880
卷号7期号:2页码:593-601
摘要YBO3 : Eu3+ nanocrystals (NCs) were prepared by a hydrothermal method and characterized by field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and Fourier-transform infrared (FTIR) spectroscopy. The results demonstrate that morphology and structure of the NCs varied strongly with hydrothermal temperature. Their luminescent properties were investigated in comparison to the bulk. A large number of NO3- groups were adsorbed at the surface of hydrothermal products, which acted as luminescent killers; Two symmetry sites of Eu3+ ions in NCs, the interior and the surface sites, were identified by the site-selective excitation and time-resolved emission experiments; The intensity ratio of D-5(0)-F-7(2) to D-5(0)-F-7(1), of Eu3+ at the surface site increased greatly than that at the interior site; as a result, the chromaticity was improved; The total radiative transition rate of D-5(0)-Sigma F-7(J)J for Eu3+ at the surface site was 3-5 times larger than that at the interior.
收录类别SCI ; EI
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/34546
专题中科院长春光机所知识产出
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Pan G. H.,Song H. W.,Yu L. X.,et al. Structure and photoluminescent properties of microstructural YBO3 : Eu3+ nanocrystals[J]. Journal of Nanoscience and Nanotechnology,2007,7(2):593-601.
APA Pan G. H..,Song H. W..,Yu L. X..,Liu Z. X..,Bai X..,...&Ren X. G..(2007).Structure and photoluminescent properties of microstructural YBO3 : Eu3+ nanocrystals.Journal of Nanoscience and Nanotechnology,7(2),593-601.
MLA Pan G. H.,et al."Structure and photoluminescent properties of microstructural YBO3 : Eu3+ nanocrystals".Journal of Nanoscience and Nanotechnology 7.2(2007):593-601.
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