NDLI: Electromagnetic Field Enhancement in Surface-Enhanced Raman Scattering

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Electromagnetic Field Enhancement in Surface-Enhanced Raman Scattering

Content Provider	Scilit
Author	Zhao, Ke Wei, Hong Xu, Hongxing
Copyright Year	2017
Description	Surface-enhanced Raman scattering (SERS) was first observed in1974 by Fleischmann et al. for pyridine, $C_{5}NH_{5}$, adsorbed on a silver electrode roughened by means of successive oxidation-reduction cycles. Combining SERS experiments and theoretically obtained electromagnetic (EM) field distribution around metal surfaces, the EM effect has been recognized as the dominating factor contributing to SERS in most cases, compared to the additional about $10^{2}$ chemical enhancement. In the year 1997, Nie and Emory and Kneipp et al. reported SERS enhancement as large as $10^{14}$ in the experiments for single-molecule SERS. The numerical simulations confirm that the EM enhancement in the nanogaps of nanoparticle dimers can be extraordinarily high and dominate among the factors contributing to single-molecule SERS. The high EM enhancement in the nanogap between the nanowire and the nanoparticle renders single-molecule SERS to be achieved remotely from the laser illumination point. Book Name: Nanophotonics
Related Links	https://api.taylorfrancis.com/content/chapters/edit/download?identifierName=doi&identifierValue=10.1201/9781315196619-3&type=chapterpdf
Ending Page	84
Page Count	30
Starting Page	55
DOI	10.1201/9781315196619-3
Language	English
Publisher	Informa UK Limited
Publisher Date	2017-11-09
Access Restriction	Open
Subject Keyword	Book Name: Nanophotonics Social Work Numerical Simulations Nanogap Scattering Surface Enhanced Electromagnetic Molecule Sers
Content Type	Text
Resource Type	Chapter

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