In this article, we developed fully flexible PVDF/CeO2 nanocomposite was prepared by in situ formation of CeO2 nanoparticles confined within PVDF matrix, the films prepared using the facile casting technique. UV–visible spectra confirmed the formation of CeO2 NPs within the matrix. It is remarkable to indicate that the presence of nanoceria dramatically transform ~ 96% of the nonpolar phase of PVDF to the electroactive phase as elucidated from FTIR and XRD. The homogenously distributed CeO2 NPs enveloped into the PVDF matrix as represented by the cross section-SEM image, act as nucleating centers increasing the number of nucleation points, resulting therefore in smaller spherulites. This result can be assigned to the presence of interfacial interaction between negatively charged –CF2 dipoles of PVDF with positively charged CeO2 NPs (+ 8 mV) as revealed from the zeta measurement. The thermal analysis presented that the confined CeO2 NPs improve the thermal stability of PVDF polymer.

中文翻译：

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一步成型法简单制备自极化PVDF/nanoceria纳米复合材料

在本文中，我们开发了完全柔性的 PVDF/CeO2 纳米复合材料，通过在 PVDF 基质中原位形成 CeO2 纳米颗粒来制备，该薄膜使用简易浇铸技术制备。紫外-可见光谱证实了在基质中形成了 CeO2 NP。值得注意的是，如 FTIR 和 XRD 所阐明的那样，纳米氧化铈的存在将 PVDF 的约 96% 的非极性相显着转化为电活性相。如横截面-SEM 图像所示，包裹在 PVDF 基体中的均匀分布的 CeO2 NP 作为成核中心，增加了成核点的数量，从而产生更小的球晶。该结果可以归因于 PVDF 带负电的 –CF2 偶极子与带正电的 CeO2 NPs (+ 8 mV) 之间存在界面相互作用，如 zeta 测量所示。热分析表明，受限的 CeO2 NPs 提高了 PVDF 聚合物的热稳定性。