Spectroscopic, optical and thermal characterization of polyvinyl chloride-based plasma-functionalized MWCNTs composite thin films

In this work, homogeneous PVC/MWCNT nano-composite films with different concentrations of MWCNTs were prepared. The MWCNTs were treated with plasma to improve their compatibility in the PVC matrix. The prepared films are characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS...

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Bibliographic Details
Published in:Applied physics. A, Materials science & processing Materials science & processing, 2019-07, Vol.125 (7), p.1-8, Article 475
Main Authors: Abdel-Fattah, E., Alharthi, A. I., Fahmy, T.
Format: Article
Language:English
Subjects:
Applied physics
Characterization and Evaluation of Materials
Chemical industry
Condensed Matter Physics
Fourier transforms
Infrared spectroscopy
Machines
Manufacturing
Materials science
Nanocomposites
Nanotechnology
Optical and Electronic Materials
Photoelectrons
Physics
Physics and Astronomy
Polyvinyl chloride
Processes
Raman spectroscopy
Spectrum analysis
Surfaces and Interfaces
Thermal stability
Thermodynamic properties
Thermogravimetric analysis
Thin Films
X ray photoelectron spectroscopy
X-ray diffraction
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Summary:In this work, homogeneous PVC/MWCNT nano-composite films with different concentrations of MWCNTs were prepared. The MWCNTs were treated with plasma to improve their compatibility in the PVC matrix. The prepared films are characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, UV–visible spectroscopy (UV–Vis.) and thermogravimetric analysis (TGA). The XRD, XPS, FTIR and Raman results suggest that the plasma-functionalized MWCNTs are well dispersed and interacted with the PVC. XPS results show that the stoichiometric contents of C and O groups relatively increased with the increasing percentage of MWCNTs in the nano-composite, meanwhile, Cl group decreased. The optical band gap E g of PVC–MWCNTs decreases with the increasing MWCNTs percentage in the nano-composite. Increasing the percentage of MWCNTs in the PVC nano-composite improves thermal stability, dielectric constant and AC conductivity.
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-019-2770-y