Enhanced Piezoelectric Coefficient of PVDF-TrFE Films via In Situ Polarization

Xiaoran HU, Mengli YOU, Na YI, Xiaokun ZHANG*, Yong XIANG

*Corresponding author for this work

Research output: Journal PublicationsJournal Article (refereed)peer-review

26 Citations (Scopus)

Abstract

The d33 coefficient = 28 pC/N of PVDF-TrFE piezoelectric films was achieved by the in situ polarization. Compared with traditional poling methods, the in situ polarization is performed with low poling voltage and short poling time, and it can ensure the PVDF-TrFE film with enhanced piezoelectric performances and uniform distribution among a large area of 200 mm2 × 200 mm2. The processing influence of drying, annealing, and poling on the crystalline properties and piezoelectric performances were investigated. Besides, the obtained PVDF-TrFE films present a good piezoelectric response to different extents of mechanical stimulations, which have great potential in energy harvesting applications.

Original languageEnglish
Article number621540
JournalFrontiers in Energy Research
Volume9
Early online date30 Jun 2021
DOIs
Publication statusPublished - 10 Aug 2021
Externally publishedYes

Bibliographical note

Publisher Copyright:
© Copyright © 2021 Hu, You, Yi, Zhang and Xiang.

Keywords

  • D 33
  • in situ polarization
  • nanogenerators
  • piezoelectricity
  • PVDF-TrFE

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