Abstract
Flexible piezoelectric composite films have piezoelectric properties and good flexibility. Therefore, it has broad application prospects in wearable electronic products, electric sensors, etc. In this paper, traditional solid-state and hydrothermal methods were used to prepare Pb(Zr0.52Ti0.48) (PZT) and Pb0.95Sr0.05(Zr0.52Ti0.48) (PSZT) ceramic fillers. PZT-based/P(VDF-TrFE) composite films with a thickness of 0.1 mm were prepared by introducing fillers into the matrix by solution casting method, and the effect of fillers on the properties of flexible piezoelectric composite films was investigated. The experimental results show that the piezoelectric and dielectric properties of the flexible piezoelectric composite film can be improved by changing the processing method or the formula of the piezoelectric ceramic fillers with a better piezoelectric property. Compared with the pure P(VDF-TrFE) film, the introduction of ceramic fillers or varying the processing method of ceramic fillers can both stimulate a phase transition from α to β of the P(VDF-TrFE) matrix. Among them, the composite film with the PSZT filler prepared through the hydrothermal method has the most β phase content. It has the best electrical properties and exhibits good tensile strength and elongation at break. Its d33 = 18.3 pC/N, εr = 14, tanδ = 0.16, the maximum output voltage is 6.08 V, the tensile strength is 37.1 MPa, and the elongation at break is 757.7%.
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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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Acknowledgements
The authors acknowledge the support of the Guizhou Provincial Science and Technology Department (Grant Nos. QKHJC-ZK [2021] ZD 049 and QKHZC-ZK [2022] YB 080).
Funding
Funding was provided by Science and Technology Program of Guizhou Province (Grant Nos. QKHJC-ZK [2021] ZD 049, QKHZC-ZK[2022] YB080).
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Wang, X., Zheng, DY., Wang, CQ. et al. The effects of ceramic fillers’ performance and preparation process on PZT-based/P(VDF-TrFE) flexible composite films. J Mater Sci: Mater Electron 35, 1081 (2024). https://doi.org/10.1007/s10854-024-12783-2
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DOI: https://doi.org/10.1007/s10854-024-12783-2