SCHEDULED MAINTENANCE
Novel nanostructured star-shaped polyaniline derivatives and their electrospun nanofibers with gelatin
Abstract
The aim of this study is the synthesis, characterization, and investigation of some physicochemical properties of star-shaped polyaniline and polyanisidine. The star-shaped conductive polymers were synthesized chemically and electrochemically via a “core-first” method from tannic acid. The chemical structures of all the samples as representatives were characterized by means of Fourier transform infrared (FTIR), and 1H nuclear magnetic resonance (NMR) spectroscopies. The electroactivity behaviors of the synthesized samples were verified under cyclic voltammetric conditions, and their conductivities were determined using the four-probe technique. According to the results, the synthesized star-shaped polymers showed higher electrical conductivity and electroactivity than those of the corresponding homo-polymers in both chemical and electrochemical approaches. These results originated from the spherical, three-dimensional, and nanostructured morphologies of the star-shaped polymers, which allows sufficient overlapping of π-orbitals. Solutions of the chemically synthesized star-shaped conducting polymers, and gelatin were electrospun to produce uniform, conductive, and biocompatible nanofibers.
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