Journal
MATERIALS
Volume 14, Issue 21, Pages -Publisher
MDPI
DOI: 10.3390/ma14216664
Keywords
PVA; nanofibers; CNx; electrospinning; electrochemical
Categories
Funding
- Secretaria de Investigacion y Posgrado-Instituto Politecnico Nacional projects [20195198, 20200506]
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This study presents a nanocomposite developed with PVA, multiwall carbon nanotubes (CNTs) doped with nitrogen, and NaDDBS, which change the electrical properties of the polymer and its viscosity to be used in electrospinning process for obtaining mats of nano/macro fibers. The nanocomposite was successfully characterized using Fourier transform-infrared and Raman spectroscopy techniques, confirming the presence of CNxs immersed in the polymer. High-resolution transmission electron microscopy was used to observe the characteristic interplanar distances of the multiwall CNT in the polymeric matrix.
This study presents a nanocomposite developed with PVA, multiwall carbon nanotubes (CNTs) doped with nitrogen, and NaDDBS, which change the electrical properties of the polymer and its viscosity to be used in electrospinning process for obtaining mats of nano/macro fibers. The proposed nanocomposite was characterized using Fourier transform-infrared and Raman spectroscopy techniques, confirming the presence of the CNxs immersed in the polymer. High-resolution transmission electron microscopy was used to obtain the micrographs that showed the characteristic interplanar distances of the multiwall CNT in the polymeric matrix, with values of 3.63 & ANGS;. Finally, the CNx mats were exposed to various aqueous solutions in a potentiostat to demonstrate the effectiveness of the nanofibers for electrochemical analysis. The CNx-induced changes in the electrical properties of the polymer were identified using cyclic voltammograms, while the electrochemical analysis revealed supercapacitor behavior.
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