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Efficient white light emitting diodes based on Cu-doped ZnInS/ZnS core/shell quantum dots
Yuan X.; Hua J.; Zeng R. S.; Zhu D. H.; Ji W. Y.; Jing P. T.; Meng X. D.; Zhao J. L.; Li H. B.
2014
Source PublicationNanotechnology
ISSNISBN/0957-4484
Volume25Issue:43Pages:8
AbstractWe report the fabrication of efficient white light-emitting diodes (WLEDs) based on Cu : ZnInS/ZnS core/shell quantum dots (QDs) with super large Stokes shifts. The composition-controllable Cu : ZnInS/ZnS QDs with a tunable emission from deep red to green were prepared by a one-pot noninjection synthetic approach. The high performance Cu : ZnInS QD-WLEDs with the colour rendering index up to 96, luminous efficacy of 70-78 lm W-1, and colour temperature of 3800-5760 K were successfully fabricated by integration of red and green Cu-doped QDs. Negligible energy transfer between Cu-doped QDs was clearly found by measuring the photoluminescence lifetimes of the QDs, consistent with the small spectral overlap between QD emission and absorption. The experimental results indicated low toxic Cu : ZnInS/ZnS QDs could be suitable for solid state lighting.
Indexed BySCI ; EI
Language英语
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/43952
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Yuan X.,Hua J.,Zeng R. S.,et al. Efficient white light emitting diodes based on Cu-doped ZnInS/ZnS core/shell quantum dots[J]. Nanotechnology,2014,25(43):8.
APA Yuan X..,Hua J..,Zeng R. S..,Zhu D. H..,Ji W. Y..,...&Li H. B..(2014).Efficient white light emitting diodes based on Cu-doped ZnInS/ZnS core/shell quantum dots.Nanotechnology,25(43),8.
MLA Yuan X.,et al."Efficient white light emitting diodes based on Cu-doped ZnInS/ZnS core/shell quantum dots".Nanotechnology 25.43(2014):8.
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