Spherical metallic nanoparticles fluorescence enhancement

The Novotny group has produced similar theoretical results with calculations on spherical nanoparticles, showing that fluorescence enhancement due to metal near field effects is strongly frequency dependent and that florescence enhancement is maximized when the fluorophore emits red-shifted to the plasmon resonance peak of the nanoparticle. They also explained this result as a consequence of the slight offset of the frequency dependence of the quenching term and enhancement term. ... 

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