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Effect of OH- on the upconversion luminescent efficiency of Y2O3 : Yb3+, Er3+ nanostructures
其他题名论文其他题名
De G. J.; Qin W. P.; Zhang J. S.; Wang Y.; Cao C. Y.; Cui Y.
2006
发表期刊Solid State Communications
ISSN0038-1098
卷号137期号:9页码:483-487
摘要In this work, we used the ehydrothermal method to synthesize Yb3+ and Er3+ ions doped cubic Y2O3 nanostructures, which is an upconversion luminescent material. Three distinct shapes such as nanotubes, nanospheres and nanoflakes formed in the products by adjusting the pH value of reacting solution. Powder X-ray diffraction analyses indicate that all the three nanostructures were pure cubic phase, while electron microscopy measurements confirm the formation of different morphologies. These nanostructures exhibit strong visible upconversion luminescence under the excitation of a 978-nm diode laser. The FTIR and fluorescent decay measurements at the size and morphology of sample changed from tubes to flakes indicate that the OH- group is the origin of luminescent efficiency change. OH- ions with high vibration frequency provide an efficient means to quench the luminescence. However, the relative intensity and pump-power dependence of the green and red emissions varies with the three nanostructures possessing different size and morphology. (c) 2006 Elsevier Ltd. All rights reserved.
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/181722/26719
专题中科院长春光机所知识产出
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De G. J.,Qin W. P.,Zhang J. S.,et al. Effect of OH- on the upconversion luminescent efficiency of Y2O3 : Yb3+, Er3+ nanostructures[J]. Solid State Communications,2006,137(9):483-487.
APA De G. J.,Qin W. P.,Zhang J. S.,Wang Y.,Cao C. Y.,&Cui Y..(2006).Effect of OH- on the upconversion luminescent efficiency of Y2O3 : Yb3+, Er3+ nanostructures.Solid State Communications,137(9),483-487.
MLA De G. J.,et al."Effect of OH- on the upconversion luminescent efficiency of Y2O3 : Yb3+, Er3+ nanostructures".Solid State Communications 137.9(2006):483-487.
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