International Conference Physics.SPb/2024
Surface physics, thin films

Total absorption of light wave by a two-dimensional array of metal nanoparticles on a metal surface

I. A. Glukhov^ab, S. G. Moiseev<sup>ab

a</sup> Ulyanovsk State University
^b Ul'yanovsk Branch of Institute of Radioengineering and Electronics, Russian Academy of Sciences

Abstract: A design of a composite film is proposed that provides a significant reduction in reflection from a metal surface (metal film) in a narrow band of the visible spectrum due to the effective absorption of incident light energy. The composite layer is a dielectric film of subwavelength thickness, in the volume of which a two-dimensional array of metal particles of a nanometer size is located. The spectral region of high absorption is specified by the frequency of the localized surface plasmon resonance of nanoparticles. The possibility of complete absorption of incident light near the frequency of the plasmon resonance of nanoparticles is shown with the matching of the parameters of the dielectric film, the array of nanoparticles and its location in the film.

Keywords: nanocomposite coating, localized plasmon resonance, light-absorbing coating.

Received: 30.04.2024
Revised: 28.10.2024
Accepted: 30.10.2024

DOI: 10.61011/FTT.2024.12.59573.6406PA

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