Towards green fabrication of PVDF-HFP composite films: Assessing the impact of DMSO and functional fillers (ZnO, BTO, and Rochelle Salt) on the piezo-mechanical properties

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Letters Pub Date : 2025-08-01 Epub Date: 2025-04-05 DOI:10.1016/j.matlet.2025.138536

Syed Makarim Zaid , Mustapha Danladi Ibrahim , Ab Aziz Bin Baharuddin , K.B. Mustapha

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Abstract

Poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) offers superior compliance among the PVDF-based polymers but lacks adequate piezoelectric property. While certain functional fillers can enhance PVDF-HFP’s piezoelectric property, reinforcement with these fillers relies on environmentally harmful solvents. This raises concerns for the ensuing green applications of PVDF-HFP. This study investigates the use of DMSO (a green solvent) for reinforcing PVDF-HFP with barium titanate (BTO), zinc oxide (ZnO), and Rochelle salt (RS). Results show DMSO preserves the nucleation efficiency of the fillers, thus enabling notable β-phase transformation associated with the piezoelectric response. BTO/RS reinforcement achieved the highest β-phase content (78%) compared to ZnO/RS (66%). Further crystallographic and thermo-mechanical characterizations confirmed BTO/RS’s superiority in enhancing thermal stability.

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迈向绿色制造PVDF-HFP复合薄膜：评估DMSO和功能填料（ZnO， BTO和Rochelle Salt）对压电力学性能的影响

聚偏氟乙烯-共六氟丙烯（PVDF-HFP）在pvdf基聚合物中具有优越的相容性，但缺乏足够的压电性能。虽然某些功能填料可以增强PVDF-HFP的压电性能，但这些填料的增强依赖于对环境有害的溶剂。这引起了人们对PVDF-HFP随后的绿色应用的关注。本研究研究了使用DMSO（一种绿色溶剂）用钛酸钡（BTO）、氧化锌（ZnO）和罗谢尔盐（RS）增强PVDF-HFP。结果表明，DMSO保留了填料的成核效率，从而实现了与压电响应相关的显著β相变。BTO/RS增强材料的β相含量最高（78%），ZnO/RS增强材料的β相含量为66%。进一步的晶体学和热力学表征证实了BTO/RS在提高热稳定性方面的优势。

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来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive