Changchun Institute of Optics,Fine Mechanics and Physics,CAS
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
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ISSN | 0022-2313 |
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 |
推荐引用方式 GB/T 7714 | 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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