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题名: Who make transparent ZnO colorful? - Ion implantation and thermal annealing effects
作者: Chen, Y. N.; Zheng, C. C.; Ning, J. Q.(宁吉强); Wang, R. X.(王荣新); Ling, C. C.; Xu, S. J.
通讯作者: Xu, S.J.
刊名: SUPERLATTICES AND MICROSTRUCTURES
发表日期: 2016
DOI: 10.1016/j.spmi.2016.02.022
卷: 99
收录类别: SCI ; EI
文章类型: 期刊论文
部门归属: 大科学装置
英文摘要: ZnO has re-attracted considerable interest as a wide band gap semiconductor and energy material in recent years. When most of the near-band-edge exciton sharp lines in the ultraviolet spectral region have been firmly identified, defect origins of broad color emissions are still open to debate. By implanting Cu+ and Zn+ ions into high quality ZnO single crystal, respectively, and investigating their photoluminescence spectra at different temperatures, we firmly show that the structured green emission band is indeed associated with copper impurity. Incorporation of excess Zn ions into ZnO results in a structureless red emission band with a nearly perfect Gaussian lineshape. The pure electronic level locations of these two color emission bands were inclusively determined by using generalized multiple Brownian oscillator model when the simultaneous multiphonon emission was taken into account. The nature of the two colorful luminescent centers, including their charge states, was discussed with the aid of the latest theoretical results on different point defects and their optical transitions in ZnO. (C) 2016 Elsevier Ltd. All rights reserved.
关键词[WOS]: GREEN LUMINESCENCE BAND ; ZINC-OXIDE ; COPPER IMPURITIES ; FINE-STRUCTURE ; POINT-DEFECTS ; PHOTOLUMINESCENCE ; FILMS ; EMISSION
语种: 英语
JCR小类分区: 三区
WOS记录号: WOS:000390630200037
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/4908
Appears in Collections:大科学装置_期刊论文

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Recommended Citation:
Chen, Y. N.,Zheng, C. C.,Ning, J. Q.,et al. Who make transparent ZnO colorful? - Ion implantation and thermal annealing effects[J]. SUPERLATTICES AND MICROSTRUCTURES,2016,99.
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