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<p>In this work, the PE/Bi₂O<sub>3</sub> composite, which made of polyethylene (PE) and bismuth oxide (Bi₂O<sub>3</sub>) with varying concentrations of Bi₂O<sub>3</sub> were prepared using the solution casting process. The results of the X-ray photoelectron (XPS), Raman and energy dispersive X-ray (EDX) indicate the successful manufacturing of the PE/Bi₂O<sub>3</sub> composite films. By applying the Tauc relation, the optical characteristics of PE/Bi₂O<sub>3</sub> films were determined in wavelength of 200 to 2000&#xa0;nm. The band gap energy decreased from 4.21&#xa0;eV for PE to 3.99&#xa0;eV, 3.60&#xa0;eV, and 3.50&#xa0;eV, respectively, for PE/1%Bi₂O<sub>3,</sub> PE/2%Bi₂O<sub>3,</sub> and PE/3%Bi₂O<sub>3</sub>, while the absorbance edge reduced by 1.62&#xa0;eV with 3% Bi₂O₃. The dispersion energy enhanced from 2.56&#xa0;eV for PE to 2.91&#xa0;eV for PE/3%Bi₂O<sub>3</sub>, while the oscillator energies changed from 4.45&#xa0;eV to 4.22&#xa0;eV. The results showed the optical properties of PE/Bi₂O<sub>3</sub> were modified by of Bi<sub>2</sub>O<sub>3</sub>, which can be use these composites in flexible photodetectors, and UV shielding. These nanocomposites offer promising potential for use in bendable photonic circuits, flexible sensors, smart windows, and nonlinear optical devices.</p>

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Preparation, structural and optical studies of flexible PE/Bi₂O3 polymeric nanocomposite materials for electronic applications

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • A. Atta,
  • Khulaif Alshammari,
  • Majed Alshammari,
  • M. M. Abdelhamied

摘要

In this work, the PE/Bi₂O3 composite, which made of polyethylene (PE) and bismuth oxide (Bi₂O3) with varying concentrations of Bi₂O3 were prepared using the solution casting process. The results of the X-ray photoelectron (XPS), Raman and energy dispersive X-ray (EDX) indicate the successful manufacturing of the PE/Bi₂O3 composite films. By applying the Tauc relation, the optical characteristics of PE/Bi₂O3 films were determined in wavelength of 200 to 2000 nm. The band gap energy decreased from 4.21 eV for PE to 3.99 eV, 3.60 eV, and 3.50 eV, respectively, for PE/1%Bi₂O3, PE/2%Bi₂O3, and PE/3%Bi₂O3, while the absorbance edge reduced by 1.62 eV with 3% Bi₂O₃. The dispersion energy enhanced from 2.56 eV for PE to 2.91 eV for PE/3%Bi₂O3, while the oscillator energies changed from 4.45 eV to 4.22 eV. The results showed the optical properties of PE/Bi₂O3 were modified by of Bi2O3, which can be use these composites in flexible photodetectors, and UV shielding. These nanocomposites offer promising potential for use in bendable photonic circuits, flexible sensors, smart windows, and nonlinear optical devices.