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A pyramid structured raman scattering probe with secondary localization for sensitive enhancement
Xia, Liangping1,2; Yin, Shaoyun1; Gao, Hongtao2; Dong, Xiaochun2; Du, Chunlei1
Source PublicationJournal of Computational and Theoretical Nanoscience
Volume12Issue:2Pages:194-198
2015
Language英语
ISSN1546-1955
DOI10.1166/jctn.2015.3716
Indexed BySCI ; EI
WOS IDWOS:000351892500006
Subtype期刊论文
Abstract

A sensitive surface-enhanced Raman scattering probe structure based on the enhancement of the secondary localization is proposed. The structure is constituted with a silver coated pyramid and a small silver particle at the tip. The silver film coated on the pyramid plays a role of exciting and focusing the surface plasmon wave onto the tip, where the secondary localization is excited by the silver particle and an extraordinarily enhanced electromagnetic field is obtained. The finite difference time domain (FDTD) simulation results demonstrate that the Raman enhancement factor caused by the secondary localization is 1.34×109 which is 3 orders higher than that of the primary localization structure. © 2015 American Scientific Publishers All rights reserved Printed in the United States of America.;A sensitive surface-enhanced Raman scattering probe structure based on the enhancement of the secondary localization is proposed. The structure is constituted with a silver coated pyramid and a small silver particle at the tip. The silver film coated on the pyramid plays a role of exciting and focusing the surface plasmon wave onto the tip, where the secondary localization is excited by the silver particle and an extraordinarily enhanced electromagnetic field is obtained. The finite difference time domain (FDTD) simulation results demonstrate that the Raman enhancement factor caused by the secondary localization is 1.34×109 which is 3 orders higher than that of the primary localization structure. © 2015 American Scientific Publishers All rights reserved Printed in the United States of America.

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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7337
Collection微电子装备总体研究室(四室)
Corresponding AuthorDu, Chunlei
Affiliation1.Key Laboratory of Multi-Scale Manufacturing Technology, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, China
2.Institute of Optics and Electronics, Chinese Academy of Sciences, P.O. Box 350, Chengdu, China
Recommended Citation
GB/T 7714
Xia, Liangping,Yin, Shaoyun,Gao, Hongtao,et al. A pyramid structured raman scattering probe with secondary localization for sensitive enhancement[J]. Journal of Computational and Theoretical Nanoscience,2015,12(2):194-198.
APA Xia, Liangping,Yin, Shaoyun,Gao, Hongtao,Dong, Xiaochun,&Du, Chunlei.(2015).A pyramid structured raman scattering probe with secondary localization for sensitive enhancement.Journal of Computational and Theoretical Nanoscience,12(2),194-198.
MLA Xia, Liangping,et al."A pyramid structured raman scattering probe with secondary localization for sensitive enhancement".Journal of Computational and Theoretical Nanoscience 12.2(2015):194-198.
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