Effect of Taunit Carbon Nanotubes on the Optical Density of Polymer Films Made from Polysulfone, Polymethyl Methacrylate, and Polyvinyl Alcohol

Results are presented from measuring optical density in the ultraviolet (UV) and visible ranges of polymer films made of polysulfone (PSF), polymethyl methacrylate (PMMA) and polyvinyl alcohol (PVA) with embedded CNTs, produced by mixing solutions. It is found that adding CNT increases the optical density of polymers, and the efficiency of absorption depends on the choice of polymer. Coefficients of extinction are calculated for CNT in PSF, PMMA, and PVA. The results can be used to develop a way of monitoring the homogeneity of CNT distribution in polymer films.