Structure–Property Relationships in PVDF/SrTiO3/CNT Nanocomposites for Optoelectronic and Solar Cell Applications

The optical properties of polyvinylidene fluoride (PVDF) polymer nanocomposite films incorporating SrTiO3/carbon nanotubes (CNTs) as nanofillers are investigated. PVDF/SrTiO3/CNTs films were prepared by the solution casting technique. X-ray diffraction (XRD), Fourier-transform infrared spectroscopy...

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Bibliographic Details
Published in:Polymers 2024-03, Vol.16 (6), p.736
Main Authors: Taha, Taha Abdel Mohaymen, Alanazi, Sultan Saud, El-Nasser, Karam S., Alshammari, Alhulw H., Ismael, Ali
Format: Article
Language:English
Subjects:
Addition polymerization
Carbon
Carbon nanotubes
Dielectric properties
Electric properties
Electronic structure
Electrons
Energy
Energy gap
Fluorides
Fourier transforms
Infrared analysis
Investigations
Light
Morphology
Nanocomposites
Nanoparticles
Nonlinear optics
Optical properties
Optoelectronics
Organic light emitting diodes
Particle size
Photovoltaic cells
Polymer blends
Polymer films
Polymers
Polyvinyl alcohol
Polyvinylidene fluorides
Quantum dots
Refractivity
Scanning electron microscopy
Solar cells
Strontium titanates
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Summary:The optical properties of polyvinylidene fluoride (PVDF) polymer nanocomposite films incorporating SrTiO3/carbon nanotubes (CNTs) as nanofillers are investigated. PVDF/SrTiO3/CNTs films were prepared by the solution casting technique. X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM) analyses confirmed the incorporation of SrTiO3/CNTs into the PVDF matrix. The addition of nanofillers influenced the crystalline structure, morphology, and optical properties of the films. SEM images showed spherulite morphology, which is a spherical aggregate of crystalline polymer chains. The addition of a SrTiO3/CNTs nanofiller modified the polymer’s electronic structure, causing a variation in the energy gap. The addition of SrTiO3/CNTs at 0.1 wt% increased the band gap, refractive index, and nonlinear optical properties of the PVDF films. These improvements indicate the potential of these nanocomposite films in optoelectronic applications such as solar cells, image sensors, and organic light-emitting diodes.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym16060736