Influence of MnO2 Nanoparticles Addition on Structural, Optical and Dielectric Characteristics of PVA/PVP for Pressure Sensors

  • Alaa J. Kadham Algidsawi AL-Qasim Green University, Babylon, Iraq
  • Ahmed Hashim University of Babylon, Babylon, Iraq
  • Aseel Hadi University of Babylon, Babylon, Iraq
  • Majeed Ali Habeeb University of Babylon, Babylon, Iraq
  • Hussein Hakim Abed University of Babylon, Babylon, Iraq
Keywords: MnO2, pressure sensors, energy gap, dielectric constant, conductivity

Abstract

Films of PVA/PVP/MnO2 nanostructures were fabricated for pressure sensors fields with lightweight, flexible and low cost compare with other sensors. The structure, dielectric and optical characteristics of PVA/PVP/MnO2 nanostructures have been studied. The results showed that the dielectric constant, dielectric loss and A.C electrical conductivity of PVA/PVP blend are enhanced with the increase in MnO2  NPs content. The dielectric constant and  dielectric loss decrease while the A.C electrical conductivity increases with the increase in frequency. The optical characteristics of PVA/PVP/MnO2 nanostructures showed that the absorbance was rise with increasing of the MnO2  NPs content. The indirect energy gap of PVA/PVP blend was reduced with increase in MnO2  NPs content. The optical constants of blend are changed with  the increase in MnO2  NPs content. The pressure sensor application results of PVA/PVP/MnO2 nanostructures showed that the electrical capacitance  (Cp) increases with the rise in applied pressure.

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Published
2022-06-30
How to Cite
AlgidsawiA. J. K., HashimA., HadiA., HabeebM. A., & AbedH. H. (2022). Influence of MnO2 Nanoparticles Addition on Structural, Optical and Dielectric Characteristics of PVA/PVP for Pressure Sensors . Physics and Chemistry of Solid State, 23(2), 353-360. https://doi.org/10.15330/pcss.23.2.353-360
Section
Scientific articles (Physics)