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R, Magesh, R, TAMILARASI, C, Joelin, George, Giftlin, S, RAJESH. (1404). Preparation and Characterization of Poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP)–Aluminum Nitride (AlN) Nanocomposite for the Fabrication of Piezoelectric Nanogenerators. , 58(2), 208-218. doi: 10.22059/jufgnsm.2025.02.06
Magesh R; TAMILARASI R; Joelin C; Giftlin George; RAJESH S. "Preparation and Characterization of Poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP)–Aluminum Nitride (AlN) Nanocomposite for the Fabrication of Piezoelectric Nanogenerators". , 58, 2, 1404, 208-218. doi: 10.22059/jufgnsm.2025.02.06
R, Magesh, R, TAMILARASI, C, Joelin, George, Giftlin, S, RAJESH. (1404). 'Preparation and Characterization of Poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP)–Aluminum Nitride (AlN) Nanocomposite for the Fabrication of Piezoelectric Nanogenerators', , 58(2), pp. 208-218. doi: 10.22059/jufgnsm.2025.02.06
R, Magesh, R, TAMILARASI, C, Joelin, George, Giftlin, S, RAJESH. Preparation and Characterization of Poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP)–Aluminum Nitride (AlN) Nanocomposite for the Fabrication of Piezoelectric Nanogenerators. , 1404; 58(2): 208-218. doi: 10.22059/jufgnsm.2025.02.06

Preparation and Characterization of Poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP)–Aluminum Nitride (AlN) Nanocomposite for the Fabrication of Piezoelectric Nanogenerators

Journal of Ultrafine Grained and Nanostructured Materials
مقاله 6، دوره 58، شماره 2، اسفند 2025، صفحه 208-218    اصل مقاله (1.32 M)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22059/jufgnsm.2025.02.06
نویسندگان
Magesh R؛ TAMILARASI R؛ Joelin C؛ Giftlin George؛ RAJESH S*
Department of Applied Physics, Karunya Institute of Technology and Sciences, Coimbatore, India
چکیده
Flexible piezoelectric nanogenerators (PENGs) are gaining attention as sustainable power sources for wearable and self-powered electronic systems due to their capability to convert mechanical energy into electrical output. The present work aims to enhance the performance of a flexible PENG by incorporating aluminum nitride (AlN) nanoparticles into a poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) matrix. The nanocomposite fibers were fabricated through electrospinning technique with an. The structural, morphological, and compositional features were examined using Fourier Transform Infrared Spectroscopy (FT-IR), Energy Dispersive X-ray Spectrometry (EDX), Scanning Electron Microscopy (SEM), and X-ray Diffraction (XRD). FT-IR and XRD analyses confirmed the presence and enhancement of the electroactive β-phase in the composite, while FE-SEM images indicated uniform fiber formation with well-distributed nanoparticles. The optimized device with AlN loading of 15 wt% achieved an output voltage of 2.64 V and a current of 0.49 μA, showing over a tenfold enhancement in voltage and an order of magnitude increase in current compared with pristine PVDF-HFP fibers. The nanogenerator also delivered a power density of 12.00 mW/m² under a 20 MΩ load. These results confirm that AlN nanoparticle incorporation effectively improves dipole alignment and stress transfer, positioning the PVDF-HFP/AlN composite as a strong candidate for high-performance piezoelectric energy harvesting applications.
کلیدواژه‌ها
PENG؛ AlN؛ Piezoelectric؛ PVDF-HFP (Poly Vinylidene Fluoride–Hexa Fluoro Propylene)؛ Aluminum Nitride؛ Electrospinning
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آمار
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