Gold nanostructures for surface-enhanced raman spectroscopy, prepared by electrodeposition in porous silicon
Entity
UAM. Departamento de Física AplicadaPublisher
The AuthorsDate
2011-04-14Citation
10.3390/ma4040791
Materials 4.4 (2010): 791-800
ISSN
1996-1944 (print); 1996-1944 (online)DOI
10.3390/ma4040791Funded by
This work was partly supported by a grant-in-aid from the Japan Society of Promotion of Science for Scientific Research (B) under Grant No. 22350092 and the collaboration program of the laboratory for complex energy processes, Institute of Advanced Energy, Kyoto UniversityEditor's Version
http://dx.doi.org/10.3390/ma4040791Subjects
Electrodeposition; Gold; Porous silicon; Raman spectroscopy; FísicaRights
© 2011 by the authors; licensee MDPI, Basel, SwitzerlandAbstract
Electrodeposition of gold into porous silicon was investigated. In the present study, porous silicon with ~100 nm in pore diameter, so-called medium-sized pores, was used as template electrode for gold electrodeposition. The growth behavior of gold deposits was studied by scanning electron microscope observation of the gold deposited porous silicon. Gold nanorod arrays with different rod lengths were prepared, and their surface-enhanced Raman scattering properties were investigated. We found that the absorption peak due to the surface plasmon resonance can be tuned by changing the length of the nanorods. The optimum length of the gold nanorods was ~600 nm for surface-enhanced Raman spectroscopy using a He-Ne laser. The reason why the optimum length of the gold nanorods was 600 nm was discussed by considering the relationship between the absorption peak of surface plasmon resonance and the wavelength of the incident laser for Raman scattering
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Google Scholar:Fukami, Kazuhiro
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Chourou, Mohamed L.
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Miyagawa, Ryohei
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Noval, Álvaro Muñoz
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Sakka, Tetsuo
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Manso Silván, Miguel
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Martín Palma, Raúl José
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Ogata, Yukio
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