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Temperature-dependent photoluminescence of CuInS2 quantum dots
Alternative Title论文其他题名
Shi A. M.; Wang X. Y.; Meng X. D.; Liu X. Y.; Li H. B.; Zhao J. L.
2012
Source PublicationJournal of Luminescence
ISSN0022-2313
Volume132Issue:7Pages:1819-1823
AbstractTemperature-dependent photoluminescence (PL) spectroscopy of CuInS2 core and CuInS2/ZnS core-shell quantum dots (QDs) was studied for understanding the influence of a ZnS shell on the PL mechanism. The PL quantum yield and lifetime of CuInS2 core QDs were significantly enhanced after the QD surface was coated with the ZnS shell. The temperature dependences of the PL energy, linewidth, and intensity for the core and core-shell QDs were studied in the temperature range from 92 to 287 K. The temperature-dependent shifts of 98 meV and 35 meV for the PL energies of the QDs were much larger than those of the excitons in their bulk semiconductors. It was surprisingly found that the core and core-shell QDs exhibited a similar temperature dependence of the PL intensity. The PL in the CuInS2/ZnS core-shell QDs was suggested to originate from recombination of many kinds of defect-related emission centers in the interior of the cores. (C) 2012 Elsevier B.V. All rights reserved.
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/24632
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Shi A. M.,Wang X. Y.,Meng X. D.,et al. Temperature-dependent photoluminescence of CuInS2 quantum dots[J]. Journal of Luminescence,2012,132(7):1819-1823.
APA Shi A. M.,Wang X. Y.,Meng X. D.,Liu X. Y.,Li H. B.,&Zhao J. L..(2012).Temperature-dependent photoluminescence of CuInS2 quantum dots.Journal of Luminescence,132(7),1819-1823.
MLA Shi A. M.,et al."Temperature-dependent photoluminescence of CuInS2 quantum dots".Journal of Luminescence 132.7(2012):1819-1823.
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