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Damping resonance and refractive index effect on the layer-by-layer sputtering of Ag and Al2O3 on the polystyrene template
D. X. Zhang,S. Yang,X. Y. Zhang,N. Ma,B. B. Han,W. S. Zhao,S. H. Chi,Y. Liu,J. H. Yang and L. Chen
2020
Source PublicationSpectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy
ISSN1386-1425
Volume238Pages:7
AbstractIn this study, an ordered metal oxide-metal composite system was designed. By changing the thickness of film of Ag/Al2O3 nanoparticles (NPs), the red and blue shifts of local surface plasma resonance (LSPR) were realized in the proposed system and discussed by damping resonance theory and Mie's scattering theory to demonstrating the relationship between wavelength (lambda) and particle diameter (D). With the increasing of sputtering time of Ag, the SPR of Ag was red shifted under the influence of damped vibration, obtaining that square of wavelength (lambda(2)) is proportional to D. The surface plasma resonance (SPR) of Ag/Al2O3 showed an obvious blue shift, and then red shift suddenly, which is affected by the competition between damping resonance and refractive index. When the blue shift occurs, the change of wavelength (Delta lambda) is exponentially related to the diameter (D). Themodulation of LSPR of the proposed composite nano-metal materials will have a potential application in SPR sensor and surface enhanced Raman scattering (SERS). (C) 2020 Elsevier B.V. All rights reserved.
DOI10.1016/j.saa.2020.118430
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Indexed BySCI ; EI
Language英语
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Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/64393
Collection中国科学院长春光学精密机械与物理研究所
Recommended Citation
GB/T 7714
D. X. Zhang,S. Yang,X. Y. Zhang,N. Ma,B. B. Han,W. S. Zhao,S. H. Chi,Y. Liu,J. H. Yang and L. Chen. Damping resonance and refractive index effect on the layer-by-layer sputtering of Ag and Al2O3 on the polystyrene template[J]. Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy,2020,238:7.
APA D. X. Zhang,S. Yang,X. Y. Zhang,N. Ma,B. B. Han,W. S. Zhao,S. H. Chi,Y. Liu,J. H. Yang and L. Chen.(2020).Damping resonance and refractive index effect on the layer-by-layer sputtering of Ag and Al2O3 on the polystyrene template.Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy,238,7.
MLA D. X. Zhang,S. Yang,X. Y. Zhang,N. Ma,B. B. Han,W. S. Zhao,S. H. Chi,Y. Liu,J. H. Yang and L. Chen."Damping resonance and refractive index effect on the layer-by-layer sputtering of Ag and Al2O3 on the polystyrene template".Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy 238(2020):7.
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