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Updated: May 5, 2026

Advanced Compositional Analysis of Nanoparticle-polymer Composites Using Direct Fluorescence Imaging
Published on: July 19, 2016
Enhancement of fluorescence intensity by silicon particles and its size effect
Ken-ichi Saitow1, Hidemi Suemori, Hironori Tamamitsu
1Natural Science Center for Basic R&D (N-BARD), Hiroshima University, 1 3 1 Kagamiyama, Higashi Hiroshima, Hiroshima 739 8526, Japan. saitow@hiroshima-u.ac.jp.
Abstract:
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.
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