Journal
JOURNAL OF VINYL & ADDITIVE TECHNOLOGY
Volume 28, Issue 1, Pages 235-246Publisher
WILEY
DOI: 10.1002/vnl.21889
Keywords
dispersion parameters; iron oxide; optical and storage applications; optical constants; PVA; G nanocomposite; Wemple-DiDomenico model
Funding
- Taif University Researchers, Taif University, Taif, Saudi Arabia [TURSP-2020/248]
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The study investigated the impact of Fe2O3 NPs on the structural and optical parameters of PVA/G blend, showing that the filling of Fe2O3 NPs can alter the optical properties of the blend. The research found homogeneous distribution of Fe2O3 NPs in the nanocomposite films, as well as the semi-crystalline nature of the NC films.
The effect of iron oxide nanoparticles (Fe2O3 NPs) content on the structural and optical parameters of polyvinyl alcohol/graphene (PVA/G) blend has been investigated. Fe2O3 NPs were synthesized by the hydrothermal procedure. Nanocomposite (NC) films of PVA/G filled with different amounts of Fe2O3 NPs were equipped using the solution casting technique. The surface morphology, structural, and optical properties were examined by scanning electron microscope (SEM), X-ray diffraction (XRD), and ultraviolet-visible-near-IR (UV-Vis-NIR) spectrophotometry techniques, respectively. SEM micrographs reveal the homogenous distribution of Fe2O3 NPs in the PVA/G matrix. The XRD analysis exhibits the formulation of the hematite phase of Fe2O3 NPs and the semi-crystalline nature of PVA/G NC films. The UV-Vis-NIR data analysis shows that the optical properties of the PVA/G blend could be tailored via Fe2O3 NPs filling. Wemple-DiDomenico model is utilized to explore the dispersion parameters of the prepared NCs. A significant effect of Fe2O3 NPs filling is realized on the oscillator and dispersion energies, infinite refractive index, dielectric constant, average oscillator strength and the lattice dielectric constant of the NC films. PVA/G filled Fe2O3 NPs are suggested for different optical and storage applications.
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