A comprehensive study on the effect of carbonization temperature on the physical and chemical properties of carbon fibers
Abstract Carbon fibers were successfully fabricated via the electrospinning technique, followed by stabilizing and carbonizing electrospun PAN fibers. A wide range of analytical techniques such as scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Di...
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Nature Portfolio
2022-06-01
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Series: | Scientific Reports |
Online Access: | https://doi.org/10.1038/s41598-022-15085-x |
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author | Roya Shokrani Havigh Hossein Mahmoudi Chenari |
author_facet | Roya Shokrani Havigh Hossein Mahmoudi Chenari |
author_sort | Roya Shokrani Havigh |
collection | DOAJ |
description | Abstract Carbon fibers were successfully fabricated via the electrospinning technique, followed by stabilizing and carbonizing electrospun PAN fibers. A wide range of analytical techniques such as scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Diffuse reflectance spectroscopy (DRS), photoluminescence spectroscopy (PL), vibrating sample magnetometer (VSM) techniques, and Hall effect were performed to study of the effect of carbonization temperature on the physical and chemical characterization of carbon fibers. The SEM images of the PAN precursor exhibit a smooth outer surface, after the stabilization and carbonization process, along with a broken fiber at higher carbonization temperature about 1400 °C. Morphological characterization based on the recorded TEM images of carbonized fibers at 1000 °C and 1400 °C, showed that the obtained morphology can be classified as fiber structures, where their diameters ranged from 196 to 331 nm. The XRD patterns of PAN-based carbon fibers confirm the structural changes from linear structure into a graphite-like structure. The DRS study indicates the possible π–π*/σ–π* and n–π* transitions. The presence of the surface functional groups and different trapped radiative recombination on the emission bands is confirmed by the PL. VSM results shows the weak ferromagnetic nature of the carbon fibers. |
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last_indexed | 2024-04-13T17:06:06Z |
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spelling | doaj.art-764ca374be2e4ec6a33959d28d62d3ca2022-12-22T02:38:27ZengNature PortfolioScientific Reports2045-23222022-06-0112111410.1038/s41598-022-15085-xA comprehensive study on the effect of carbonization temperature on the physical and chemical properties of carbon fibersRoya Shokrani Havigh0Hossein Mahmoudi Chenari1Department of Physics, Faculty of Science, University of GuilanDepartment of Physics, Faculty of Science, University of GuilanAbstract Carbon fibers were successfully fabricated via the electrospinning technique, followed by stabilizing and carbonizing electrospun PAN fibers. A wide range of analytical techniques such as scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Diffuse reflectance spectroscopy (DRS), photoluminescence spectroscopy (PL), vibrating sample magnetometer (VSM) techniques, and Hall effect were performed to study of the effect of carbonization temperature on the physical and chemical characterization of carbon fibers. The SEM images of the PAN precursor exhibit a smooth outer surface, after the stabilization and carbonization process, along with a broken fiber at higher carbonization temperature about 1400 °C. Morphological characterization based on the recorded TEM images of carbonized fibers at 1000 °C and 1400 °C, showed that the obtained morphology can be classified as fiber structures, where their diameters ranged from 196 to 331 nm. The XRD patterns of PAN-based carbon fibers confirm the structural changes from linear structure into a graphite-like structure. The DRS study indicates the possible π–π*/σ–π* and n–π* transitions. The presence of the surface functional groups and different trapped radiative recombination on the emission bands is confirmed by the PL. VSM results shows the weak ferromagnetic nature of the carbon fibers.https://doi.org/10.1038/s41598-022-15085-x |
spellingShingle | Roya Shokrani Havigh Hossein Mahmoudi Chenari A comprehensive study on the effect of carbonization temperature on the physical and chemical properties of carbon fibers Scientific Reports |
title | A comprehensive study on the effect of carbonization temperature on the physical and chemical properties of carbon fibers |
title_full | A comprehensive study on the effect of carbonization temperature on the physical and chemical properties of carbon fibers |
title_fullStr | A comprehensive study on the effect of carbonization temperature on the physical and chemical properties of carbon fibers |
title_full_unstemmed | A comprehensive study on the effect of carbonization temperature on the physical and chemical properties of carbon fibers |
title_short | A comprehensive study on the effect of carbonization temperature on the physical and chemical properties of carbon fibers |
title_sort | comprehensive study on the effect of carbonization temperature on the physical and chemical properties of carbon fibers |
url | https://doi.org/10.1038/s41598-022-15085-x |
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