Optical and Electrical Properties of Nano Magnesium Oxide Doped with Polyvinylpyrrolidone (PVP) Thin Films

Authors

  • Zainb D. Abd Ali Department of Physics, College of Science, Mustansiriyah University, 10052 Baghdad, IRAQ.
  • Ahamed A. Ahamed Department of Physics, College of Science, Mustansiriyah University, 10052 Baghdad, IRAQ.
  • Osama Abdul Azeez Dakhil Department of Physics, College of Science, Mustansiriyah University, 10052 Baghdad, IRAQ. https://orcid.org/0000-0002-6099-7311
  • Ali Albeer Biometry and epidemiology (IBE), Institute of medical information processing, Ludwig Maximilian University of Munich (LMU), Germany. https://orcid.org/0009-0002-1746-1260

DOI:

https://doi.org/10.23851/mjs.v34i4.1401

Keywords:

PVP polymer, magnesium oxide nanoparticle, hydrothermal synthesis, electric conductivity, composite thin film, conductive polymer

Abstract

A thin film of polyvinylpyrrolidone (PVP) polymer doped with different weight ratios of magnesium oxide nanoparticles produced by using the low-temperature hydrothermal method was prepared, and the morphology of the doped thin film was verified using a scanning electron microscope and an atomic force microscope. The X-ray diffraction pattern showed that magnesium oxide has a multi cubic crystal structure with a diffraction peak of high density associated with the level (200) (at the diffraction angle of 42.69◦) and a crystal drop size of 25 nm. Measurements of the Fourier A transformation of the infrared spectrum of a polyvinylpyrrolidone polymer doped with metal oxides was carried out. It showed a clear difference from the pure polymer, where a (Mg-O-Mg) bond appeared at a wavelength of 450 cm^-1 to confirm the effect of MgO addition on the chemical bonding of polyvinylpyrrolidone. Optical properties, including absorbance, maximum wavelength, and energy gap, have been studied. Determined by ultraviolet examination. The band gap decreased when MgO was doped with PVP films, and the Hall coefficient effect was used to calculate the electrical properties, including the conductivity, kinetics of charge carriers, and their type. The highest conductivity was (0.1*10^-2 Sm), and the tainted membrane was of the n type), where it can be used in optical applications.

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Published

30-12-2023

Submission Dates

Received: 16/05/2023

Revised: 27/05/2023

Accepted: 11/06/2023

 

How to Cite

[1]
Z. D. . Abd Ali, A. A. . Ahamed, O. A. A. . Dakhil, and A. . Albeer, “Optical and Electrical Properties of Nano Magnesium Oxide Doped with Polyvinylpyrrolidone (PVP) Thin Films”, Al-Mustansiriyah Journal of Science, vol. 34, no. 4, pp. 129–137, Dec. 2023.

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Section

Physical Sciences