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<p>This study aimed to fabricate lead-free PVDF-BaTiO<sub>3</sub> + ZnO and PVDF-BaTiO<sub>3</sub>/PVDF-ZnO electrospun nanofibers to enhance the piezoelectric properties of PVDF-BaTiO<sub>3</sub> nanofibers through the incorporation of ZnO nanoparticles and PVDF-ZnO nanofibers. Field emission scanning electron microscopy (FE-SEM) was utilized to examine the morphology, size, and formation of the nanofibers, revealing well-formed structures with a reduced average diameter. Fourier-transform infrared spectroscopy (FTIR) was conducted to analyze and compare the content of β-phase in the nanofibers, indicating a higher β-phase content in both PVDF-BaTiO<sub>3</sub> + ZnO and PVDF-BaTiO<sub>3</sub>/PVDF-ZnO electrospun nanofibers compared to PVDF-BaTiO<sub>3</sub> electrospun nanofibers alone. The piezoelectric performance, measured as an output voltage generated by the nanofibers under applied pressure using a custom device, demonstrated improved results when ZnO nanoparticles and PVDF-ZnO nanofibers were incorporated into the structure. The findings of this investigation suggest that the addition of ZnO nanoparticles and PVDF-ZnO nanofibers into PVDF-BaTiO<sub>3</sub> nanofibers leads to better piezoelectric composites, making them suitable for applications in energy harvesting and wearable electronic devices.</p>

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Enhancing the Piezoelectricity of PVDF-BaTiO3 Nanofibers by Incorporation of ZnO Nanoparticles Fabricated Via Two-Way Electrospinning Technique

  • 期刊论文

  • 发表日期：

    2025年3月5日

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  • M. Fakhr Zakeri,
  • M. Khodaei

摘要

This study aimed to fabricate lead-free PVDF-BaTiO3 + ZnO and PVDF-BaTiO3/PVDF-ZnO electrospun nanofibers to enhance the piezoelectric properties of PVDF-BaTiO3 nanofibers through the incorporation of ZnO nanoparticles and PVDF-ZnO nanofibers. Field emission scanning electron microscopy (FE-SEM) was utilized to examine the morphology, size, and formation of the nanofibers, revealing well-formed structures with a reduced average diameter. Fourier-transform infrared spectroscopy (FTIR) was conducted to analyze and compare the content of β-phase in the nanofibers, indicating a higher β-phase content in both PVDF-BaTiO3 + ZnO and PVDF-BaTiO3/PVDF-ZnO electrospun nanofibers compared to PVDF-BaTiO3 electrospun nanofibers alone. The piezoelectric performance, measured as an output voltage generated by the nanofibers under applied pressure using a custom device, demonstrated improved results when ZnO nanoparticles and PVDF-ZnO nanofibers were incorporated into the structure. The findings of this investigation suggest that the addition of ZnO nanoparticles and PVDF-ZnO nanofibers into PVDF-BaTiO3 nanofibers leads to better piezoelectric composites, making them suitable for applications in energy harvesting and wearable electronic devices.