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Metal-Dielectric-Graphene Sandwich for Surface Enhanced Raman Spectroscopy
Published 4 Jul 2014 in physics.optics, cond-mat.mes-hall, and cond-mat.mtrl-sci | (1407.1129v1)
Abstract: Raman intensity of Rhodamine B (RhB) is enhanced by inserting a thin high \k{appa} dielectric layer which reduces the surface plasmon damping at the gold-graphene interface. The results indicate that the Raman intensity increases sharply by plasmonic resonance enhancement while maintaining efficient fluorescence quenching with optimized dielectric layer thickness.
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