Optics and Spectroscopy

, Volume 120, Issue 4, pp 622–627 | Cite as

Influence of surface properties on the structure of granular silver films and excitation of localized plasmons

  • D. P. ShcherbininEmail author
  • E. A. Konshina
  • V. A. Polischuk
Physical Optics


Granular silver films deposited on a thin insulating film of amorphous hydrogenated carbon (a-C:H) and transparent conducting electrode (polycrystalline indium tin oxide (ITO) layer) have been investigated by spectroscopy and microscopy methods. The extinction spectra of silver films on the surface of these materials are found to be significantly different. An annealing of silver films causes a blue shift of the peak of plasmon resonance band in the spectrum of silver nanoparticles: by 16 nm on the a-C:H surface and by 94 nm on the ITO surface. Silver films on the surface of a-C:H films are characterized by a narrower band in the extinction spectrum, which is peaked at 446 nm. The changes observed in the optical density of Ag films are related to the change in size and area of nanoparticles. The results of spectral studies of Ag films are in agreement with the data on the nanostructure obtained by scanning electron microscopy and statistical image processing. The spectra of granular silver films are shown to correlate well with the nanoparticle distribution function over the film area.


Silver Nanoparticles Extinction Spectrum Silver Film Plasmon Excitation Transparent Conducting Electrode 
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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • D. P. Shcherbinin
    • 1
    Email author
  • E. A. Konshina
    • 1
  • V. A. Polischuk
    • 1
  1. 1.ITMO UniversitySt. PetersburgRussia

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