Krishanu Ray, Ramachandram Badugu, Henryk Szmacinski and Joseph R. Lakowicz
Chem. Commun., 2015,51, 15023-15026
DOI:
10.1039/C5CC03581C,
Communication
We observed over 400-fold enhanced fluorescence from single Cy5 molecules assembled on multilayer silver nanoparticle–dielectric–metal (PDM) substrate. This substantial enhancement is due to the near-field enhanced excitation, emission, and interaction of Cy5 with plasmonic nanostructures. Experimental observation is supported by finite-element method calculations.