Enhanced Raman Scattering from Nanoholes in a Copper Film

被引：48

作者：

Anema, Jason R. ^{[1
]}

Brolo, Alexandre G. ^{[1
]}

Marthandam, Prarnodha ^{[2
]}

Gordon, Reuven ^{[2
]}

机构：

[1] Univ Victoria, Dept Chem, Victoria, BC V8W 3V6, Canada

[2] Univ Victoria, Dept Elect & Comp Engn, Victoria, BC V8W 3P6, Canada

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2008年 / 112卷 / 44期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1021/jp805785s

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Surface-enhanced Raman scattering (SERS) was observed for oxazine 720 molecules adsorbed on a copper film pierced by nanohole arrays. Each of the arrays had a different hole periodicity. The dependence of SERS intensity on hole periodicity was examined using two experimental geometries: forward-scattering and backscattering. Electric field intensity perpendicular to the surface of the metal was calculated for each array using the finite-difference time-domain method, and for both geometries, the array with the greatest calculated value matched the array that gave the greatest experimentally observed SERS intensity.

引用

页码：17051 / 17055

页数：5

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