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تسجيل مستخدم جديدMetal-Dielectric-Graphene Sandwich for Surface Enhanced Raman Spectroscopy
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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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