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<p>This study explores the consequence of incorporating multi-walled carbon nanotubes (MWCNTs)/Zn<sub>1−<i>x</i></sub>Mg<sub><i>x</i></sub>O/Mn<sub>3</sub>O<sub>4</sub>/MnO into a poly(vinyl alcohol) (PVA)/polyvinylpyrrolidone (PVP) matrix and their possibility for usage in optical and energy uses. The structure of the fillers and formed blends was inspected via the XRD diffraction equipment. The impact of the fillers on the surface morphology of the unfilled sample was studied. The sample with MWCNTs/ZnO/Mn<sub>3</sub>O<sub>4</sub>/MnO has the greatest absorbance values over the whole wavelength spectrum. The lowest transmittance spectrum was obtained in the doped sample with Zn<sub>1−<i>x</i></sub>Mg<sub><i>x</i></sub>O/Mn<sub>3</sub>O<sub>4</sub>/MnO. The lowest direct and indirect values were taken from the PVA/PVP blended polymer including MWCNTs/ZnO/Mn<sub>3</sub>O<sub>4</sub>/MnO at 5.06&#xa0;eV and 4.5&#xa0;eV, respectively. The maximum refractive index value (1.653) at 600&#xa0;nm was achieved as the sample filled with the MWCNTs/Zn<sub>0.97</sub>Mg<sub>0.03</sub>O/MnO sample. The insertion of MWCNTs/Zn<sub>1−<i>x</i></sub>Mg<sub><i>x</i></sub>O/Mn<sub>3</sub>O<sub>4</sub>/MnO composites resulted in an increase in <i>σ</i><sub>opt</sub>. The sample with <i>x</i> = 0 and <i>x</i> = 0.03 exhibited the most significant nonlinear optical characteristics. Loaded samples with MWCNTs/Zn<sub>1−<i>x</i></sub>Mg<sub><i>x</i></sub>O/Mn<sub>3</sub>O<sub>4</sub>/MnO filler (<i>x</i> = 0.01) demonstrated an increase in capacitance.</p>

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A Study on Nanocomposite Polymer Blends of Poly(vinyl alcohol)/Polyvinylpyrrolidone Reinforced with Hybrid Multi-walled Carbon Nanotubes and Zn1−xMgxO/Mn3O4/MnO Fillers

  • 期刊论文

  • 发表日期：

    2026年4月27日

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  • A. M. El-Naggar,
  • A. M. Kamal

摘要

This study explores the consequence of incorporating multi-walled carbon nanotubes (MWCNTs)/Zn1−xMgxO/Mn3O4/MnO into a poly(vinyl alcohol) (PVA)/polyvinylpyrrolidone (PVP) matrix and their possibility for usage in optical and energy uses. The structure of the fillers and formed blends was inspected via the XRD diffraction equipment. The impact of the fillers on the surface morphology of the unfilled sample was studied. The sample with MWCNTs/ZnO/Mn3O4/MnO has the greatest absorbance values over the whole wavelength spectrum. The lowest transmittance spectrum was obtained in the doped sample with Zn1−xMgxO/Mn3O4/MnO. The lowest direct and indirect values were taken from the PVA/PVP blended polymer including MWCNTs/ZnO/Mn3O4/MnO at 5.06 eV and 4.5 eV, respectively. The maximum refractive index value (1.653) at 600 nm was achieved as the sample filled with the MWCNTs/Zn0.97Mg0.03O/MnO sample. The insertion of MWCNTs/Zn1−xMgxO/Mn3O4/MnO composites resulted in an increase in σopt. The sample with x = 0 and x = 0.03 exhibited the most significant nonlinear optical characteristics. Loaded samples with MWCNTs/Zn1−xMgxO/Mn3O4/MnO filler (x = 0.01) demonstrated an increase in capacitance.