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Plasmonic nanocoatings tailored for surface-enhanced Raman imaging in near-infrared region
Using a dynamic oblique-angle deposition technique, we have demonstrated the direct formation of Ag nanorods with quasiparallel major axes on a template layer of oxide having a strongly anisotropic surface morphology. The optical properties of the nanorods are tuned by the deposition conditions without any pre- or post-treatment, and the resulting nanocoatings containing the Ag nanorods exhibit high surface-enhanced Raman scattering (SERS) activity. In addition to high uniformity over a large area, our nanocoatings contain a large number of isolated nanorods with a high density. Using the optimum Ag nanorods, SERS imaging of microdroplets of a rhodamine 6G solution has been successfully demonstrated. The space resolution of the imaging is of the order of at least a few μm. These features are quite appropriate for the SERS imaging of biomaterials.
Plasmonic nanocoatings tailored for surface-enhanced Raman imaging in near-infrared region
Using a dynamic oblique-angle deposition technique, we have demonstrated the direct formation of Ag nanorods with quasiparallel major axes on a template layer of oxide having a strongly anisotropic surface morphology. The optical properties of the nanorods are tuned by the deposition conditions without any pre- or post-treatment, and the resulting nanocoatings containing the Ag nanorods exhibit high surface-enhanced Raman scattering (SERS) activity. In addition to high uniformity over a large area, our nanocoatings contain a large number of isolated nanorods with a high density. Using the optimum Ag nanorods, SERS imaging of microdroplets of a rhodamine 6G solution has been successfully demonstrated. The space resolution of the imaging is of the order of at least a few μm. These features are quite appropriate for the SERS imaging of biomaterials.
Plasmonic nanocoatings tailored for surface-enhanced Raman imaging in near-infrared region
Suzuki, Motofumi (author) / Maekita, Wataru (author) / Wada, Yoshinori (author) / Li, Shuyi (author) / Nakajima, Kaoru (author) / Kimura, Kenji (author) / Fukuoka, Takao (author) / Mori, Yasushige (author)
Nanocoatings ; 2007 ; San Diego,California,United States
Proc. SPIE ; 6647
2007-09-06
Conference paper
Electronic Resource
English
Plasmonic nanocoatings tailored for surface-enhanced Raman imaging in near-infrared region [6647-06]
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