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Bio-Inspired Plasmonic Sensors by Diatom Frustules

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Abstract

We investigate bio-inspired plasmonic sensors based on the interactions between Ag nanoparticles and diatom biosilica. The strongly coupled optical resonances lead to 2× higher optical extinction and 4~6× improvement of sensitivity in surface-enhanced Raman scattering.

© 2013 Optical Society of America

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