Spectral Optical Properties of Polymer Composite Nanomaterials Based on Carbon Nanotubes in a High-Density Polyethylene Matrix

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The spectral optical characteristics of polymer composite nanomaterials based on carbon nanotubes (CNTs) in a high-density polyethylene (HDPE) matrix have been measured. The obtained experimental data have been compared with calculated data. The single-frequency model of the Lorentz oscillator is proposed for use as the theoretical model. It has been shown that samples with a carbon nanotube concentration of 10 wt % in a high-density polyethylene matrix provide high optical absorption of 90 ± 1% in the whole measured range from 300 to 800 nm. CNT–HDPE-based polymer composite nanomaterials may find practical applications in different devices of optical radiation attenuation and photoacoustics.