Rigorous justification of the [E]4 enhancement factor in Surface Enhanced Raman Spectroscopy

被引：340

作者：

Le Ru, E. C. ^{[1
]}

Etchegoin, P. G. ^{[1
]}

机构：

[1] Victoria Univ Wellington, MacDiarmid Inst Adv Mat & Nanotechnol, Sch Chem & Phys Sci, Wellington, New Zealand

来源：

CHEMICAL PHYSICS LETTERS | 2006年 / 423卷 / 1-3期

关键词：

D O I：

10.1016/j.cplett.2006.03.042

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：

We present and apply a general method to formally calculate Surface Enhanced Raman Scattering (SERS) enhancement factors, based on the optical reciprocity theorem. This approach emphasizes the fact that the widely used SERS enhancement factor proportional to the fourth power of the field ([E](4)) is an approximation. It can moreover be used to define the range of validity of the [E](4) approximation and to provide a rigorous justification of a more general formula. (c) 2006 Elsevier B.V. All rights reserved.

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页码：63 / 66

页数：4

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