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Comprehensive enhancement of PVC nanocomposites through Al2O3 for advanced optoelectronics
1Physics Department, Faculty of Science, Benha University, Benha, 13518, Egypt. maha.atallah@fsc.bu.edu.eg.
Scientific Reports
|February 5, 2026
Summary
This study developed low-cost PVC/Al2O3 nanocomposites for optoelectronics. Alumina incorporation enhanced PVC
Area of Science:
- Materials Science
- Nanotechnology
- Optoelectronics
Background:
- The growing demand for elastic and translucent optoelectronics necessitates cost-effective material solutions.
- Polyvinyl chloride (PVC) is a versatile polymer, but its properties need enhancement for advanced applications.
Purpose of the Study:
- To investigate the effects of incorporating aluminum oxide (Al2O3) nanoparticles into a PVC matrix.
- To explore the potential of these PVC/Al2O3 nanocomposites as adjustable light-diffusing films for flexible photoelectric devices.
Main Methods:
- PVC/Al2O3 nanocomposites with varying Al2O3 concentrations (0-0.2 wt%) were synthesized using a cost-effective casting method.
- Material characterization involved X-ray diffraction (XRD), Fourier Transform Infrared spectroscopy (FTIR), scanning electron microscopy (SEM), UV-visible spectroscopy, and impedance measurements.
- Crystallinity, particle size, lattice strain, optical bandgap, refractive index, and dielectric properties were analyzed.
Main Results:
- Al2O3 incorporation increased the crystallinity of PVC, with particle size around 30.22 nm at 0.1 wt% Al2O3.
- SEM confirmed uniform Al2O3 distribution at low concentrations.
- The optical bandgap decreased from 5.05 eV (PVC) to 3 eV (PVC/0.2 wt% Al2O3), and the refractive index improved.
- Dielectric properties enhanced with increasing Al2O3 content.
Conclusions:
- PVC/Al2O3 nanocomposites offer tunable optical and dielectric properties.
- These materials are suitable for light-diffusing films in flexible optoelectronic device packaging.
- Cost-effective PVC/Al2O3 (0.1 wt%) nanocomposites show promise for advanced optoelectronic applications.
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