Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340
Original Papers
Au Nanorod Arrays Tailored for Surface-Enhanced Raman Spectroscopy
Motofumi SUZUKIKaoru NAKAJIMAKenji KIMURATakao FUKUOKAYasushige MORI
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2007 Volume 23 Issue 7 Pages 829-833

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Abstract

We have demonstrated surface-enhanced Raman spectroscopy (SERS) on arrays of Au nanorods aligned in line by a dynamic oblique deposition technique. For light polarized along the major axes of the nanorods, the plasma resonance of the Au nanorods has been tuned to a wavelength suitable for Raman spectroscopy. Raman scattering on the discrete nanorods is significantly enhanced compared with that on semicontinuous Au films. Since the preparation process is physically bottom-up, it is robust in its selection of the materials and is useful for providing SERS sensors at low cost.

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© 2007 by The Japan Society for Analytical Chemistry
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