DOI: 10.3390/polym15173580 ISSN:

β-Phase Enhancement of Force Spun Composite Nanofibers for Sensing Applications

Renato Wenceslao Aguirre-Corona, Karina Del Ángel-Sánchez, Nicolás Antonio Ulloa-Castillo, Juan José Rodríguez-Salinas, Daniel Olvera-Trejo, Imperio Anel Perales-Martínez, Oscar Martínez-Romero, Alex Elías-Zúñiga
  • Polymers and Plastics
  • General Chemistry

In this study, a piezoelectric harvesting device was developed using polyvinylidene fluoride (PVDF) nanofibers reinforced with either BaTiO3 nanoparticles or graphene powder. BaTiO3 nanoparticles were synthesized through the sol-gel method with an average size of approximately 32 nm. The PVDF nanofibers, along with the nanoparticle composites in an acetone-dimethylformamide mixture, were produced using a centrifugal-force-spinning machine, resulting in a heterogeneous arrangement of fiber meshes, with an average diameter of 1.6 μm. Experimental tests revealed that the electrical performance of the fabricated harvester reached a maximum value of 35.8 Voc, demonstrating the potential of BaTiO3/ PVDF-based piezoelectric devices for designing wearable applications such as body-sensing and energy-harvesting devices.

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