Journal ArticleDOI
Electromagnetic theory of enhanced Raman scattering by molecules adsorbed on rough surfaces
Joel I. Gersten,Abraham Nitzan +1 more
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A theory for surface enhanced Raman scattering (SERS) is developed in this paper, where the surface is modeled as a hemispheroid protruding from a conducting plane.Abstract:
A theory for surface enhanced Raman scattering (SERS) is developed Effects due to realistic surface geometry and dielectric properties are included Three sources of enhanced Raman scattering are noted: the image dipole enhancement effect, the increase of local field (’’lightning rod’’ effect), and the resonant excitation of surface plasmons The surface is modeled as a hemispheroid protruding from a conducting plane, although other models are considered The spherical limit is discussed in some detail and molecular orientation effects are considered Cross sections for Mie, Rayleigh, and Raman scattering are derivedread more
Citations
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The Optical Properties of Metal Nanoparticles: The Influence of Size, Shape, and Dielectric Environment
TL;DR: In this paper, the authors describe recent progress in the theory of nanoparticle optical properties, particularly methods for solving Maxwell's equations for light scattering from particles of arbitrary shape in a complex environment.
Book
Plasmonics: Fundamentals and Applications
TL;DR: In this paper, the authors discuss the role of surface plasmon polaritons at metal/insulator interfaces and their application in the propagation of surfaceplasmon waveguides.
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Localized Surface Plasmon Resonance Spectroscopy and Sensing
TL;DR: This review describes recent fundamental spectroscopic studies that reveal key relationships governing the LSPR spectral location and its sensitivity to the local environment, including nanoparticle shape and size and introduces a new form of L SPR spectroscopy, involving the coupling between nanoparticle plasmon resonances and adsorbate molecular resonances.
Journal ArticleDOI
Surface-enhanced spectroscopy
TL;DR: The surface-enhanced Raman scattering (SERS) effect was first discovered by Fleischmann, Van Duyne, Creighton, and Creighton as discussed by the authors, who showed that molecules adsorbed on specially prepared silver surfaces produce a Raman spectrum that is at times a millionfold more intense than expected.
Journal ArticleDOI
Plasmonics for extreme light concentration and manipulation.
Jon A. Schuller,Edward S. Barnard,Wenshan Cai,Young Chul Jun,Justin S. White,Mark L. Brongersma +5 more
TL;DR: The basic concepts behind plasmonics-enabled light concentration and manipulation are discussed, an attempt to capture the wide range of activities and excitement in this area is made, and possible future directions are speculated on.
References
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Journal ArticleDOI
Optical Constants of the Noble Metals
P. B. Johnson,R. W. Christy +1 more
TL;DR: In this paper, the optical constants for the noble metals (copper, silver, and gold) from reflection and transmission measurements on vacuum-evaporated thin films at room temperature, in the spectral range 0.5-6.5 eV.
Journal ArticleDOI
Raman spectra of pyridine adsorbed at a silver electrode
TL;DR: In this article, Ramaman spectroscopy has been employed for the first time to study the role of adsorption at electrodes, and it has been possible to distinguish two types of pyridine adaption at a silver electrode.
Journal ArticleDOI
Surface raman spectroelectrochemistry: Part I. Heterocyclic, aromatic, and aliphatic amines adsorbed on the anodized silver electrode
TL;DR: In this article, the authors verified the remarkable sensitivity of Raman spectroscopy for the study of adsorbed pyridine on a silver surface, and extended its applicability to other nitrogen heterocycles and amines.
Journal ArticleDOI
Anomalously intense Raman spectra of pyridine at a silver electrode
TL;DR: Anomalously intense Raman spectra of pyridine at a silver electrode was reported in this article, where the Raman spectrum was shown to have a high Raman intensity.
Journal ArticleDOI
Plasma resonance enhancement of Raman scattering by pyridine adsorbed on silver or gold sol particles of size comparable to the excitation wavelength
TL;DR: In this paper, a new resonance Raman phenomenon is proposed which is the Raman component of resonant Mie scattering, and in which the polarizability of the metal particles is modulated by the vibrations of the adsorbed molecules.
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