A high sensitive fiber SERS probe based on silver nanorod arrays

被引：93

作者：

Chu, HsiaoYun ^{[1
]}

Liu, Yongjun

Huang, Yaowen

Zhao, Yiping

机构：

[1] Univ Georgia, Dept Food Sci & Technol, Athens, GA 30602 USA

[2] Univ Georgia, Dept Phys & Astron, Athens, GA 30602 USA

[3] Univ Georgia, Nanoscle Sci & Engn Ctr, Athens, GA 30602 USA

来源：

OPTICS EXPRESS | 2007年 / 15卷 / 19期

关键词：

D O I：

10.1364/OE.15.012230

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A portable fiber SERS probe has been developed based on Ag nanorod array fabricated by oblique angle deposition. The incoming laser beam was designed to focus onto the Raman substrate at 45 incident angle in order to maximize surface enhanced Raman scattering signal. With a fiber Raman system, a detection sensitivity of 10(-17) moles for trans-1, 2-bis(4-pyridyl) ethane molecules has been demonstrated. This Raman probe can also be used for in situ measurement for samples in aqueous solution. Such a fiber probe has great potential as a portable and remote sensor for on-site biological or chemical detection. (c) 2007 Optical Society of America.

引用

页码：12230 / 12239

页数：10

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