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Hyper-Raman scattering enhanced by anisotropic dimer plasmons on artificial nanostructures

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Title: Hyper-Raman scattering enhanced by anisotropic dimer plasmons on artificial nanostructures
Authors: Ikeda, Katsuyoshi Browse this author →KAKEN DB
Takase, Mai Browse this author
Sawai, Yoshitaka Browse this author
Nabika, Hideki Browse this author →KAKEN DB
Murakoshi, Kei Browse this author →KAKEN DB
Uosaki, Kohei Browse this author →KAKEN DB
Keywords: nanostructured materials
surface enhanced Raman scattering
surface plasmon resonance
two-photon spectra
Issue Date: 21-Sep-2007
Publisher: American Institute of Physics
Journal Title: Journal of Chemical Physics
Volume: 127
Issue: 11
Start Page: 111103
Publisher DOI: 10.1063/1.2786982
PMID: 17887818
Abstract: Silver nanodimers with a small gap of a few nanometers aligned on glass substrates were used to enhance hyper-Raman scattering of crystal violet dye molecules. When localized surface plasmon of the dimer array was resonantly excited along the interparticle axis, hyper-Raman intensity was significantly enhanced. Moreover, the spectral appearance was slightly different between the two excitation polarizations, suggesting a possibility of two resonance contributions at one-photon and two-photon energies. Since the plasmonic property of dimer arrays can be controlled by the dimer geometry, the dimer arrays are expected to be well-defined substrates for surface-enhanced hyper-Raman spectroscopy.
Rights: Copyright 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in J. Chem. Phys. 127, 111103 (2007) and may be found at
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 魚崎 浩平

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