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Conferences > CLEO_SI > 2011 > CFN > CFN2

Plasmonic Coupling of SiO2–Ag “post-cap” Nanostructures and Silver Film for Surface-Enhanced Raman Scattering

Hsin-Yu Wu and Brian T. Cunningham

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Abstract

We demonstrate a surface-enhanced Raman scattering (SERS) substrate consisting of SiO2–Ag “post-cap” nanostructures with an underlying silver film. Optimized coupling between freestanding Ag caps and the underlying silver film results in a maximum enhancement factor of 2.38×109.

© 2011 Optical Society of America

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