Fluorescence-intensity enhancement of dye molecules was investigated using silicon submicron particles as a function of the particle size. Silicon particles with a size of 500 nm gave an enhancement factor up to 180. Measurement of scattering spectra revealed that the localized electric field at the particle enhances the fluorescence intensity.
K. Saitow, H. Suemori and H. Tamamitsu, Chem. Commun., 2014, 50, 1137 DOI: 10.1039/C3CC46566G
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