Journal
NANOMATERIALS
Volume 11, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/nano11051269
Keywords
polyaniline; electrospinning; graphene oxide; iron oxide
Categories
Funding
- Regione Toscana, POR-FESR 2014-2020
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Nanofibers of PANI doped with HCSA and blended with polymers like PMMA and PVAc were fabricated using electrospinning. SEM and TGA were used to characterize the morphology and thermal stability, and an extensive study was conducted to understand copolymer influence on film properties. PVAc copolymer showed significantly higher conductivity than the PMMA system. Hybrid fibers based on PANI/PVAc/graphene oxide and PANI/PVAc/iron oxide were also produced and characterized to improve electrochemical features. The obtained mats have potential applications in sensors, health, smart devices, and multifunctional textile materials.
Conducting nanofibers of polyaniline (PANI) doped with camphor-10-sulfonic acid (HCSA) and blended with different polymers, such as polymethyl methacrylate (PMMA) and polyvinyl acetate (PVAc), have been fabricated using the electrospinning technique. Scanning electron microscopy (SEM) and thermal gravimetric analysis (TGA) were utilized to characterize the morphology and the thermal stability of PANI-blended fibers. An extensive study was performed to understand the copolymer influence on both the structural and surface properties of the realized conductive thin films. Samples main electrical characteristics, as conductivity, specific capacitance and electrochemical performances were tested. The better mats were obtained with the use of PVAc copolymer, which showed a conductivity value two orders of magnitude higher than the PMMA system. Aiming at further improving the electrochemical features of these blended mats, hybrid fibers based on PANI/PVAc/graphene oxide and PANI/PVAc/iron oxide were also produced and characterized. The obtained mats were potentially addressed to numerous practical fields, including sensors, health applications, smart devices and multifunctional textile materials.
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