structural and optical properties of doped polystyrene thin films by (nio, tio2, zno, mgo) nanoparticles

This study aims to fabricate polystyrene-based nanocomposite thin films with improved optical, dielectric, and photostability properties to address challenges in optoelectronic and photonic applications, especially in extreme environments. the casting process included the incorporation of doped nanoparticles, specifically zno, tio₂, nio, and mgo, into polystyrene. thin films were produced with a consistent concentration of 5 g of polystyrene, incorporating 0.01 g of different nanomaterials. uv-visible spectroscopy was employed to analyze the samples across a wavelength range of 200-1100 nm, assessing oscillator strength, optoelectronic properties, and optical characteristics. all nanocomposite films demonstrated enhanced reflectance and transmittance, alongside improved optoelectronic properties, such as high-frequency dielectric performance and effective mass. these films improve photostability in the presence of uv radiation and harsh environmental conditions, rendering them appropriate for undersea, aeronautical, and aerial transport applications. they also provide potential for uv radiation shielding and have applications in light-emitting diodes, laser sensors, memory devices, and light-harvesting systems.