Abstract
AbstractThe progress in organic electronics is closely related to the development of new materials. This study reports the syntheses of hitherto unknown (co)polymers based on aniline and its ortho‐substituted derivative, 2‐(1‐methylbut‐1‐en‐1‐yl)aniline. Electric conductivity, morphology, solubility, electrochemical properties, spectral and thermal characteristics of all the specimens have been studied. A comparative analysis with polyaniline has been performed, and a possible practical usage in resistive‐type moisture sensors has been shown. It has been found that as the content of the substituted monomer units in the (co)polymers grows, the solubility, photoluminescence, and sensitivity of moisture sensors are enhanced. The employment of the (co)polymers obtained as an active material in moisture sensors has shown that the electric conductivity is highly sensitive to changes in ambient moisture. This study has shown that copolymerization of aniline with its ortho‐substituted derivatives is an efficient technique to modify PANI that allows one to enhance the process characteristics of the resulting materials.
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