Terahertz properties of bacterial cellulose films and its composite with conducting polymer PEDOT/PSS

摘要

Terahertz response of free standing films of bacterial cellulose and its composites with conducting polymer complex PEDOT/PSS has been studied by terahertz time domain spectroscopy. Spectra of refractive index, extinction coefficient and complex dielectric permittivity are obtained in spectral range of 0.3-2.8 THz for both types of cellulose films. Considerable increase in the imaginary part of dielectric permittivity of bacterial cellulose films modified with a conductive polymer complex PEDOT/PSS as compared to that of pristine bacterial cellulose film was found out. (C) 2015 Elsevier B.V. All rights reserved.