Abstract
We present a method to prepare polyaminophenol from solid-state aminophenol monomers using atmospheric dielectric barrier discharge (DBD) plasma. The polymerizations of o-aminophenol and m-aminophenol are studied. The polymers were analyzed via Fourier-Transform inferred spectroscopy (FTIR) and ultraviolet-visible (UV-vis) spectroscopy. The kinetics of the polymerization reactions were investigated by using UV-vis and the polymerization was found to be first-order for both o-aminophenol and m-aminophenol. The resulting polymer film exhibits a conductivity of 1.0 × 10−5 S/m for poly-o-aminophenol (PoAP) and 2.3 × 10−5 S/m for poly-m-aminophenol (PmAP), which are two orders more conductive than undoped (~10−7 S/m) polyaniline (PANI), The PoAP has a quinoid structure and the PmAP has an open ring keto-derivative structure. The process provides a simple method of preparing conductive polyaminophenol films.
Highlights
Conductive polymers like polyacetylene, polypyrrole, polyaniline, polythiophene, and their derivatives have been widely studied [1]
To prepare an aminophenol thin film, 20 mg of monomer was dissolved in 0.1 mL of ethanol
It is commonly known thatthat poly(o-aminophenol) poly(o-aminophenol)
Summary
Conductive polymers like polyacetylene, polypyrrole, polyaniline, polythiophene, and their derivatives have been widely studied [1]. The conductive polymers have prospective applications for energy storage devices, batteries, smart windows, biosensor and surface coatings, etc. The advantages of using conductive polymer materials for such applications include their flexibility, versatility, light weight, etc. Polyaniline (PANI) is widely studied because it is synthesized, environmentally stable and widely applicable [4]. Its processability is better than that of other conductive polymers [5]. The processing of PANI is still an issue since PANI has low solubility in most solvents. One way to solve this problem is to polymerize monomers that have substituent groups, such as aniline derivatives. Aniline is commonly derivatized by ortho- or meta-substitution with -OH, -OCH3 , -Cl, -CH3 , etc. Aniline is commonly derivatized by ortho- or meta-substitution with -OH, -OCH3 , -Cl, -CH3 , etc. [6]
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