PVDF-HFP /PZT纳米复合薄膜的制备、结构和压电性能

K. Oumghar, N. Chakhchaoui, Mohamed Assal, A. Eddiai, M. El Achaby, M. Meddad, O. Cherkaoui, A. M’hamed Mazroui
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引用次数: 0

摘要

近年来,压电纳米复合材料因其在能量收集机电微系统(MEMS)中的广泛应用而引起了研究人员的广泛关注。本文将压电型钛酸锆铅(PZT)与聚偏氟乙烯-六氟丙烯(PVdF-HFP)聚合物基体结合制备压电型纳米复合薄膜。通过PZT纳米颗粒与PVdF-HFP的反应和制备工艺的改进,PVdF-HFP的β相得到了改善,从而使PVdF-HFP的铁电和压电性能优于纯PVdF-HFP。以N, N-二甲基乙酰胺(DMAc)为溶剂,加入不同比例的PZT,在超声下采用溶剂铸造法制备了这些聚合物纳米复合膜。研究结果证实,PZT纳米颗粒掺入PVDF-HFP基质中,导致相分数增加,为未来高效的能量收集应用开辟了道路。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
PVDF–HFP/PZT Nanocomposite thin films: Preparation, Structure and Piezoelectric Properties
Piezoelectric nanocomposites have attracted considerable attention from researchers in these last years due to their wide field in the development of electromechanical microsystems (MEMS) for energy harvesting applications. In this paper, piezoelectric lead titanate zirconate (PZT) are used with poly (vinylidene fluoride-hexafuoropropylene) (PVdF-HFP) polymer matrix to prepare the piezo thin nanocomposite film. An improvement in the β phase in PVdF-HFP was created by the reaction between the PZT nanoparticles and PVdF-HFP and the process used for the preparation of the film, resulting enhancement in ferroelectric and piezoelectric properties over neat PVdF-HFP. These polymer nanocomposite films were done by solvent casting method under ultrasonication using N, N-Dimethyl Acetamide (DMAc) as a solvent, with different percentages of PZT. The results confirm that PZT nanoparticles incorporated into the PVDF-HFP matrix cause an increase in the phase fraction, opening the way for efficient energy harvesting applications in the future.
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