Synthesis, characterization, and thermoelectric properties of poly(p‐phenylenediamine)/poly(sulfonic acid diphenyl aniline) composites

Abstract

Thermoelectric materials are of great importance as they are materials that can convert even a small waste heat in the environment into electrical energy. Today, interest in polymeric thermoelectric materials, which are low in cost, abundant in raw materials, and easy to process, has increased. In this study, PpPD, PSDA, and PpPD/PSDA composites were synthesized in aqueous medium by a simple method by chemical oxidative polymerization. The thermoelectric properties of the polymers were investigated and the PSDA ratio in the composite increased from 10% to 50%, while the Seebeck coefficient increased approximately 5 times from 70 μV/K to 340 μV/K. The highest Seebeck coefficient and power factor were obtained from PpPD/PSDA3 composite as 340 μV/K and 3.5 × 10−3 μW/mK2, respectively. It was observed that PpPD/PSDA composites had better thermoelectric properties and thermal stability than PpPD and PSDA.

Poly(ε‐caprolactone)/poly(m‐anthranilic acid) and poly(ε‐caprolactone)/poly(3,4‐ethylenedioxythiophene)‐poly(styrenesulfonate) electrospun nanofibers: Characterization, antioxidant, and electrochemical properties

“…[2][3][4] In this study, nanofibers were obtained by electrospinning from composites of biocompatible and biodegradable poly(ε-caprolactone) (PCL), [5,6] semiconductor polymer poly(m-antranilic acid) (P3ANA), and poly(3,-4-ethylenedioxythiophene)-poly(styrenesulfonate) (PED OT:PSS), which is the most studied derivative of polythiophenes (PThs), [7] one of the most studied groups of conductive polymers. [8,9] Electrospun nanofibers of PCL and P3ANA were biofunctionalized with 1-ethyl-3-(dimethylaminopropyl) carbodiimide hydrochloride/N-hydroxy succinimide of bone morphogenetic protein-2 (BMP-2) in one of the studies in the literature. [10] In another study, these nanofibers were functionalized with RGD for use in high-performance scaffolds for bone tissue engineering.…”

Fabrication of Water‐Soluble Polythiophene/Poly (sulfonic acid diphenyl aniline)/Polyethylene Oxide Electrospun Nanofibers and Their Antioxidant Activities

“…[3,4] In this study, polythiophene (PTh), [5][6][7] one of the most used members of conductive polymers, [8,9] which is resistant to environmental conditions and has a stable chemical structure, was synthesized by chemical oxidation. Then, PTh/PSDA composites were obtained by synthesizing poly(sulfonic acid diphenyl aniline) (PSDA), [10] which is the sulfonated form of polyaniline on PTh. Poly(ethylene oxide) (PEO), [11,12] a porous, biocompatible polymer that is an excellent candidate as a scaffold for tissue engineering applications and as chemical catalysts for enzymes, is physically mixed with the varying proportions of these composites.…”

Preparation and Swelling Properties of Poly(3,4–Thylenedioxythiophene)/Poly(Acrylic Acid)/bentonite Composite Hydrogels

“…Polymer composites have common areas of study to improve or differentiate the properties of polymers [14,15]. Poly(3,4-ethylenedioxythiophene) (PEDOT), one of the most successful conductive polymers [16], has advantages such as optical transmittance in the conductive state, high stability in the doped state and low redox potential.…”