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Journal of Applied Spectroscopy

, Volume 84, Issue 3, pp 376–381 | Cite as

Rhodamine 6G Fluorescence Quenching by an External Heavy Atom and Silver Nanoparticles at the Nanoporous-Silica–Water Boundary

  • N. S. Tikhomirova
  • I. G. SamusevEmail author
  • V. A. Slezhkin
  • V. V. Bryukhanov
Article
  • 57 Downloads

Spectral and kinetic features of rhodamine 6G fluorescence quenching in a heterogeneous system of macroporous silica (silokhrom, S-80) and water caused by the combined influence of an external heavy atom (KI) and resonance-excited surface plasmons on citrate hydrosol silver nanoparticles. Surface plasmon quenching occurred through donor–acceptor interaction in complexes with iodide and silver nanoparticles. The activation energy of dye fluorescence quenching in the heterogeneous system had a minimum that was associated with hindered diffusion during the formation of silver-nanoparticle clusters.

Keywords

silver nanoparticles rhodamine 6G silica silokhrom surface plasmon fluorescence external heavy atom citrate hydrosol quenching activation energy cluster 

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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  • N. S. Tikhomirova
    • 1
    • 2
  • I. G. Samusev
    • 1
    Email author
  • V. A. Slezhkin
    • 1
    • 2
  • V. V. Bryukhanov
    • 1
  1. 1.I. Kant Baltic Federal UniversityKaliningradRussia
  2. 2.Kaliningrad State Technical UniversityKaliningradRussia

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