ArticleScientific reports2025
Structural and dielectric properties of electrospun P(VDF-TrFE) and P3HT filled with copper oxide nanofillers.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Nanofibers based on polyvinylidene fluoride-trifluoroethylene/poly(3-hexylthiophene) (P(VDF-TrFE)/P3HT) containing copper oxide nanoparticles (CuO NPs) were fabricated using the electrospinning technique. Scanning electron microscope (SEM) images revealed smooth, bead-free solid nanofibers of 34-100 nm diameters. X-ray diffraction (XRD) analysis shows the ferroelectric β phase of P(VDF-TrFE) with a wide diffraction pattern. Fourier transform infrared (FTIR) spectrum of the P(VDF-TrFE) fiber film revealed distinct peaks for the polar β phase, aromatic C-H groups, and alkyl groups. Semiconducting P3HT/CuO increases the dielectric constant of P(VDF-TrFE), inducing polarization at the semiconductor-insulator interface. Two types of dielectric response are observed: β-phase rotation and α to β phase transition. The bulk resistance values show a reduction from 224.5 to 23.8 Ω, suggesting more conductive pathways. Furthermore, incorporating P3HT/CuO into P(VDF-TrFE) enhanced its electrical conductivity from 3.75 × 10
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