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Experimental study demonstrates enhanced piezoelectric response and electrical strength in P(VDF-TFE) nanocomposites, suggesting simplified fabrication routes for flexible wearable electronics.
In this study, a method for introducing titanium dioxide nanoparticles (TiO2NPs) into the polymer matrix of a ferroelectric copolymer of vinylidene fluoride with tetrafluoroethylene P(VDF-TFE) is proposed and optimized. A comprehensive analysis showed that TiO2NPs content has a significant effect on the structure formation processes in the polymer matrix, the degree of crystallinity, phase composition, and surface morphology of the composites. By optimizing the amount of doped nanoparticles, it is possible to increase the electrical strength and permittivity of the material, as well as enhance the piezoelectric response compared to a film without TiO2NPs. The introduction of TiO2NPs into the P(VDF/TFE) polymer matrix promotes efficient polarization of the composite film without preliminary high-temperature orientational drawing. The approaches presented in this study can simplify process operations in the manufacture of flexible sensors, wearable electronics, and other devices that require a combination of piezoelectric activity and high electrical strength.
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Vodyashkin et al. (2026) studied this question.
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