PREPARATIOPREPARATION AND STUDY OF RADIO-ABSORBING COATINGS BASED ON CONDUCTIVE POLYMERSN AND STUDY OF RADIO-ABSORBING COATINGS BASED ON CONDUCTIVE POLYMERS
The radio-absorbing properties of samples of conducting polymers polyaniline and PEDOT:PSS have been studied. Films of polyaniline and PEDOT:PSS were obtained on a dielectric substrate of polyethylene by means of irrigation, followed by drying. The surface morphology of the obtained films was characterized by optical and scanning electron microscopy. The frequency dependences of the absorption coefficient of electromagnetic radiation in films were measured by a method based on the use of a coplanar transmission line, the design of which was developed at the ETU. The surface electrical resistance of the films obtained was measured by the four-probe method, the thickness was controlled by a micrometer. As a result of the research, the dependences of the absorption coefficient of electromagnetic radiation on the film thickness and frequency were obtained. The PEDOT: PSS film has been found to provide a higher absorption coefficient despite the higher electrical resistivity. The possibility of using conductive polymers as a basis for conformal radio-absorbing materials designed to protect objects in the bio and technosphere is shown.
Authors: K. G. Gareev, I. K. Khmelnitsky, V. M. Ayvazyan, M. G. Ivanitsa, A. V. Reiniuk, D. O. Testov, I. O. Testov, O. A. Testov
Keywords: Conductive polymer, radio absorbing coating, absorption coefficient, polyaniline, PEDOT:PSS
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