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Temperature dependence of excitonic luminescence from nanocrystalline ZnO films
其他题名论文其他题名
Zhang X. T.; Liu Y. C.; Zhi Z. Z.; Zhang J. Y.; Lu Y. M.; Shen D. Z.; Xu W.; Fan X. W.; Kong X. G.
2002
发表期刊Journal of Luminescence
ISSN0022-2313
卷号99期号:2页码:149-154
摘要The properties of the excitonic luminescence for nanocrystalline ZnO thin films are investigated by using the dependence of excitonic photoluminescence (PL) spectra on temperature. The ZnO thin films are prepared by thermal oxidation of ZnS films prepared by low-pressure metalorganic chemical vapor deposition (LP-MOCVD) technique. The X-ray diffraction (XRD) indicates that ZnO thin films have a polycrystalline hexagonal wurtzite structure with a preferred (0 0 2) orientation. A strong ultraviolet (UV) emission peak at 3.26 eV is observed, while the deep-level emission band is barely observable at room temperature. The strength of the exciton-longitudinal-optical (LO) phonon coupling is deduced from the temperature dependence of the full-width at half-maximum (FWHM) of the fundamental excitonic peak, decrease in exciton-longitudinal-optical (LO) phonon coupling strength is due to the quantum confinement effect. (C) 2002 Elsevier Science B.V. All rights reserved.
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/25189
专题中科院长春光机所知识产出
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Zhang X. T.,Liu Y. C.,Zhi Z. Z.,et al. Temperature dependence of excitonic luminescence from nanocrystalline ZnO films[J]. Journal of Luminescence,2002,99(2):149-154.
APA Zhang X. T..,Liu Y. C..,Zhi Z. Z..,Zhang J. Y..,Lu Y. M..,...&Kong X. G..(2002).Temperature dependence of excitonic luminescence from nanocrystalline ZnO films.Journal of Luminescence,99(2),149-154.
MLA Zhang X. T.,et al."Temperature dependence of excitonic luminescence from nanocrystalline ZnO films".Journal of Luminescence 99.2(2002):149-154.
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