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Vol. 226, Issue 10, October 2018, pp. 53-61




Light Absorption and Reflectivity of Thin Nanocomposite Film with Inhomogeneous Distribution
of Spheroidal Inclusions

Valeri LOZOVSKI and Margarita RAZUMOVA

Institute of High Technologies, Taras Shevchenko National University of Kyiv, 64 Volodymyrska Str., 01601 Kyiv, Ukraine
Tel.: +380 (44) 521-35-66

E-mail: v.lozovsk@gmail.com, m.razumova@gmail.com


Received: 25 June 2018 /Accepted: 31 August 2018 /Published: 31 October 2018

Digital Sensors and Sensor Sysstems


Abstract: The nanoparticles embedded in the film are assumed to be distributed in-plane in average homogeneously exhibiting an inhomogeneity across the film thickness. This assumption allows us to perform in-plane homogenization, taking into account inhomogeneity in distribution of nanoinclusions across the film thickness. By use of the self-consistent approach based on the concept of effective susceptibility and the Green function method, it was calculated an optical response of films consisting of metal spheroidal nanoparticles in a dielectric matrix. Calculated absorption and reflectivity maps exhibit plasmonic excitations in the visible range for the nanocomposite films with gold nanoinclusions in Teflon matrix. The influence of the distribution of nanoinclusions across the film thickness on the images of the calculated maps is under consideration.


Keywords: Nanocomposite, Thin film, Effective susceptibility, Optical absorption, Reflectivity.


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