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Tunable bandgap and optical properties of (Eu, Sm) codoped ZnO nanoparticles
Lang, J. H.; J. Y. Wang; Q. Zhang; Q. Han; J. H. Yang; S. S. Xu; D. D. Wang; M. B. Wei; X. Y. Li and Y. R. Sui
2016
发表期刊Journal of Materials Science-Materials in Electronics
卷号27期号:10
摘要La-doped ZnO nanoparticles were synthesized via a facile and surfactant-free chemical precipitation route, and the effects of lanthanum doping concentration on the structures, morphologies and photoluminescence properties were investigated by XRD, TEM, EDX, PL and UV-Vis absorption spectra. The results showed that the La3+ ions were successfully incorporated into the ZnO host, and the products were well-crystalline. The average size and band gap of La-doped ZnO nanoparticles were varied with the lanthanum doping concentration. The average size of doped nanoparticles was much smaller as compared to that of undoped ZnO. The increasing of lanthanum doping concentration increased the defects in ZnO and resulted in a red shift of UV emission, indicating the narrow band gap in doped nanoparticles. This was probably attributed to the impurity energy levels in band gap introduced by substitutional La3+ ions.
文章类型期刊
收录类别SCI ; EI
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/57002
专题中科院长春光机所知识产出
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GB/T 7714
Lang, J. H.,J. Y. Wang,Q. Zhang,et al. Tunable bandgap and optical properties of (Eu, Sm) codoped ZnO nanoparticles[J]. Journal of Materials Science-Materials in Electronics,2016,27(10).
APA Lang, J. H..,J. Y. Wang.,Q. Zhang.,Q. Han.,J. H. Yang.,...&X. Y. Li and Y. R. Sui.(2016).Tunable bandgap and optical properties of (Eu, Sm) codoped ZnO nanoparticles.Journal of Materials Science-Materials in Electronics,27(10).
MLA Lang, J. H.,et al."Tunable bandgap and optical properties of (Eu, Sm) codoped ZnO nanoparticles".Journal of Materials Science-Materials in Electronics 27.10(2016).
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