ArticleScientific reports2026
Enhancement of the piezoelectric response of corona charged Ag/P(VDF-TrFE) nanocomposites for energy harvesting devices.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Poly (vinylidene fluoride-co-trifluoroethylene)/Ag nanocomposites are fabricated in-situ using casting technique. Energy-Dispersive X-ray Spectroscopy (EDX), X-ray diffraction (XRD), Fourier transform infrared (FT-IR), Transmission electron microscopy (TEM) and UV-Vis spectroscopy are employed to investigate the structural and optical properties. Analysis of XRD measurements demonstrated that the crystallinity degree of P(VDF-TrFE) copolymer is enhanced upon increasing the AgNPs content. FTIR analysis showed that the electroactive β-phase is enhanced in the nanocomposite samples with increasing the content of AgNPs. UV-Vis results showed that both direct and indirect energy gaps (Edg/Eig) are reduced from (4.89/2.85) for pure P(VDF-TrFE) to (4.13/2.19) eV for P(VDF-TrFE)/0.28wt%Ag nanocomposite. Global TSDC measurements revealed that the ferroelectric-paraelectric phase transition is occurred at 323 K for pure P(VDF-TrFE) and decreased to 317 K after embedding AgNPs. The piezoelectric activity is found to enhance with increasing applied stress, measuring temperature and AgNPs content. The piezoelectric coefficient (d33) is optimized from 11.7 pC/N for pure P(VDF-TrFE) to 38.3 pC/N for P(VDF-TrFE)/0.28 wt%Ag nanocomposite at 6.24 × 105 Pa. Our results provide prediction for the design of a novel flexible piezoelectric material capable of energy harvesting applications.
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