Synthesis, characterization and dielectric properties of polymer nanocomposites for energy storage applications

IF 2.8 4区工程技术 Q2 POLYMER SCIENCE Macromolecular Research Pub Date : 2024-07-22 DOI:10.1007/s13233-024-00298-y

E. Abdeltwab, A. Atta, Nuha Al-Harbi, M. M. Abdelhamied

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Abstract

In this project, the oxidative chemical polymerization method is used to prepare polymer composite that consisting of polypyrrole polymer (PPy) and iron oxide nanoparticles (Fe₂O₃NPs). Then deposited this blend (PPy/Fe₂O₃) onto the PET substrate to creating flexible nanocomposite PET/(PPy/Fe₂O₃). Analyzing the samples using X-ray diffraction (XRD) and Fourier-transform infrared spectroscopy (FTIR) proves that the composite was effectively formed. With varying Fe₂O₃ ratios, the dielectric parameters of PET polymer and PET/(PPy/Fe₂O₃) composite have been documented at frequencies of 40–5.6 MHz. The surface properties were significantly enhanced by irradiation. The surface free energy increases from 41.36 mJ/m² to 66.23 mJ/m² and water contact angle reduces from 58.36° for PET to 39.25°. The results demonstrated that the composite surface characteristics were enhanced as the concentration of Fe₂O₃ changed. The obtained data showed that the fabricated samples have better properties than the PET films that can be utilized in many applications as capacitors and storage devices.

Graphical abstract

a SEM of PET, b SEM of PPy/Fe₂O₃, c SEM of PET/(PPy/Fe₂O₃, d contact angle with ratios of Fe₂O₃ and e surface free energy with ratios of Fe₂O₃

Abstract Image

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用于储能应用的聚合物纳米复合材料的合成、表征和介电性能

本项目采用氧化化学聚合法制备由聚吡咯聚合物（PPy）和氧化铁纳米颗粒（Fe2O3NPs）组成的聚合物复合材料。然后将这种混合物（PPy/Fe2O3）沉积到 PET 基质上，制成柔性纳米复合 PET/（PPy/Fe2O3）。利用 X 射线衍射 (XRD) 和傅立叶变换红外光谱 (FTIR) 分析样品，证明复合材料已有效形成。随着 Fe2O3 比例的变化，记录了 PET 聚合物和 PET/（PPy/Fe2O3）复合材料在 40-5.6 MHz 频率下的介电参数。辐照显著增强了表面特性。表面自由能从 41.36 mJ/m2 增加到 66.23 mJ/m2，水接触角从 PET 的 58.36° 减小到 39.25°。结果表明，随着 Fe2O3 浓度的变化，复合材料的表面特性得到了增强。所获得的数据表明，制备的样品比 PET 薄膜具有更好的性能，可以作为电容器和存储设备广泛应用。

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来源期刊

Macromolecular Research 工程技术-高分子科学

CiteScore

4.70

自引率

8.30%

发文量

100

审稿时长

1.3 months

期刊介绍： Original research on all aspects of polymer science, engineering and technology, including nanotechnology Presents original research articles on all aspects of polymer science, engineering and technology Coverage extends to such topics as nanotechnology, biotechnology and information technology The English-language journal of the Polymer Society of Korea Macromolecular Research is a scientific journal published monthly by the Polymer Society of Korea. Macromolecular Research publishes original researches on all aspects of polymer science, engineering, and technology as well as new emerging technologies using polymeric materials including nanotechnology, biotechnology, and information technology in forms of Articles, Communications, Notes, Reviews, and Feature articles.