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题名:
A pyramid structured raman scattering probe with secondary localization for sensitive enhancement
作者: Xia, Liangping1,2; Yin, Shaoyun1; Gao, Hongtao2; Dong, Xiaochun2; Du, Chunlei1
刊名: Journal of Computational and Theoretical Nanoscience
出版日期: 2015
卷号: 12, 期号:2, 页码:194-198
学科分类: Electromagnetic fields - Finite difference time domain method - Nanoparticles - Probes - Raman scattering - Silver
DOI: 10.1166/jctn.2015.3716
通讯作者: Du, Chunlei
文章类型: 期刊论文
中文摘要: 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.
英文摘要: 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.
收录类别: SCI ; Ei
项目资助者: Chinese Nature Science Grant [11074251, 61007024, 11174281] ; Graduate Student Innovation Foundation of Institute of Optics and Electronics, Chinese Academy of Sciences ; West Light Foundation of Chinese Academy of Sciences
语种: 英语
WOS记录号: WOS:000351892500006
ISSN号: 1546-1955
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/7337
Appears in Collections:微电子装备总体研究室(四室)_期刊论文

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作者单位: 1. 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:
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.
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