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Surface Enhanced Raman Scattering on Physically Self-assembled Ag Nanorod Arrays

Published online by Cambridge University Press:  01 February 2011

Motofumi Suzuki ,
Wataru Maekita ,
Yoshinori Wada ,
Kaoru Nakajima ,
Kenji Kimura ,
Takao Fukuoka  and
Yasushige Mori
Motofumi Suzuki
Affiliation:
m-snki@mbox.kudpc.kyoto-u.ac.jp, Kyoto University, Department of Micro Engineering, Yoshida Honmachi, Sakyo, Kyoto, Kyoto, 606-8501, Japan, +81-75-753-5196, +81-75-753-5196
Wataru Maekita
Affiliation:
m-snki@mbox.kudpc.kyoto-u.ac.jp, Kyoto University, Department of Micro Engineering, Japan
Yoshinori Wada
Affiliation:
m-snki@mbox.kudpc.kyoto-u.ac.jp, Kyoto University, Department of Micro Engineering, Japan
Kaoru Nakajima
Affiliation:
m-snki@mbox.kudpc.kyoto-u.ac.jp, Kyoto University, Department of Micro Engineering, Japan
Kenji Kimura
Affiliation:
m-snki@mbox.kudpc.kyoto-u.ac.jp, Kyoto University, Department of Micro Engineering, Japan
Takao Fukuoka
Affiliation:
m-snki@mbox.kudpc.kyoto-u.ac.jp, Kyoto CREATE, JST, Japan
Yasushige Mori
Affiliation:
m-snki@mbox.kudpc.kyoto-u.ac.jp, Doshisha University, Department of Chemical Engineering and Materials Science
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Abstract

We have established a process to fabricate Ag nanorod arrays with tunable morphology, hence tunable plasmonic properties. Based on a dynamic oblique deposition (DOD) technique, the nanorods are aligned in a way where their major axis is quasi-parallel. The aspect ratio of the nanorods is adjusted by choosing an appropriate DOD condition to show plasma resonance in the wavelength region around the Raman scattering at the excitation wavelength of 785 nm. The nanorod arrays thus tuned provide intense surface enhanced Raman scattering useful for practical applications to biochemical sensors.

Keywords

Raman spectroscopyAgnanostructure

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 900: Symposium O – Nanoparticles and Nanostructures in Sensors and Catalysis , 2005 , 0900-O08-03
Copyright
Copyright © Materials Research Society 2006

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References

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