Piezoelectric Properties of PVDF-Zn 2 GeO 4 Fine Fiber Mats

Fariha Rubaiya, Swati Mohan, Bhupendra B. Srivastava, Horacio Vasquez and Karen Lozano
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Fariha Rubaiya: Department of Mechanical Engineering, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
Swati Mohan: Department of Chemistry, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
Bhupendra B. Srivastava: Department of Chemistry, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
Horacio Vasquez: Department of Mechanical Engineering, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
Karen Lozano: Department of Mechanical Engineering, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA

Energies, 2021, vol. 14, issue 18, 1-15

Abstract: The current paper presents the development and characterization of polyvinylidene fluoride (PVDF)-Zn 2 GeO 4 (ZGO) fine fiber mats. ZGO nanorods (NRs) were synthesized using a hydrothermal method and incorporated in a PVDF solution to produce fine fiber mats. The fiber mats were prepared by varying the concentration of ZGO NRs (1.25–10 wt %) using the Forcespinning ® method. The developed mats showed long, continuous, and homogeneous fibers, with average fiber diameters varying from 0.7 to 1 µm, depending on the ZGO concentration. X-ray diffraction spectra depicted a positive correlation among concentration of ZGO NRs and strengthening of the beta phase within the PVDF fibers. The composite system containing 1.25 wt % of ZGO displayed the highest piezoelectric response of 172 V. This fine fiber composite system has promising potential applications for energy harvesting and the powering of wearable and portable electronics.

Keywords: PVDF; Zn 2 GeO 4; Forcespinning; piezoelectric; fibers (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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