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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
2015-02-01
Language英语
Indexed BySCI
WOS IDWOS:000351892500006
SubtypeArticle
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 x 10(9) which is 3 orders higher than that of the primary localization structure.

KeywordSurface-enhanced Raman Scattering Secondary Localization Pyramid Structure Nanoparticles
WOS KeywordSurface-plasmon Polaritons ; Array ; Spectroscopy ; Substrate ; Sers
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/2546
Collection光电技术研究所被WoS收录文章
Affiliation1.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab MultiScale Mfg Technol, Chongqing 400714, Peoples R China
2.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R 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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