Nanoshell, nanosphere, and nanowire geometries for hot spot formation in surface enhanced Raman scattering

O. J. Glembocki; S. M. Prokes; H. Szmacinski; J. Liu; F. Kub; C. Kub

doi:10.1117/12.631184

17 November 2005 Nanoshell, nanosphere, and nanowire geometries for hot spot formation in surface enhanced Raman scattering

O. J. Glembocki, S. M. Prokes, H. Szmacinski, J. Liu, F. Kub, C. Kub

Author Affiliations +

Proceedings Volume 6008, Nanosensing: Materials and Devices II; 600809 (2005) https://doi.org/10.1117/12.631184
Event: Optics East 2005, 2005, Boston, MA, United States

Abstract

Silver nanoshells, nanospheres and metal coated dielectric nanowires have been directly compared for their surface enhanced Raman (SERS) activity. SERS was measured from trace deposits of Rhodamine 6G (Rh6G). It was found that the SERS enhancement is largest for samples that are 3D in nature compared to 2D arrays. Furthermore Ag coated dielectric nanowires had the strongest SERS. These results demonstrate the importance of electric field hot spots and molecular orientation in the SERS process.

Citation Download Citation

O. J. Glembocki, S. M. Prokes, H. Szmacinski, J. Liu, F. Kub, and C. Kub "Nanoshell, nanosphere, and nanowire geometries for hot spot formation in surface enhanced Raman scattering", Proc. SPIE 6008, Nanosensing: Materials and Devices II, 600809 (17 November 2005); https://doi.org/10.1117/12.631184

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