Journal
NANOSCALE
Volume 6, Issue 17, Pages 9925-9929Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nr02301c
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Funding
- Ministry of Education, Singapore [MOE2011-T2-2-147, MOE2011-T3-1-005]
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The Raman intensity of Rhodamine B (RhB) is enhanced by inserting a thin high kappa 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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