Publicación: Development of polar phases in ferroelectric poly(vinylidene fluoride) (PVDF) nanoparticles
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Fecha
2023-01-03
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info:eu-repo/semantics/openAccess
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Elsevier
Resumen
Ferroelectric polymer nanoparticles of poly(vinylidene fluoride) (PVDF) were prepared by dialysis nanoprecipitation. Particles with mean diameter of 230 nm show piezoelectric response as observed by Piezoresponse Force Microscopy (PFM). The origin of this ferroelectric behavior has been attributed to the presence of ferroelectrically active crystalline phases of PVDF in the nanoparticles (mainly β and γ phases) as demonstrated by differential scanning calorimetry (DSC) and temperature dependent Fourier transform infrared spectroscopy (FTIR) and X ray diffraction. The combination of the preparation method and temperature treatment can provide a method for tuning the ferroelectricity in PVDF homopolymer nanoparticles.
Descripción
La versión registrada de este artículo, publicado por primera vez en Polymer, Volume 264, 2023, 125540, ISSN 0032-3861, está disponible en línea en el sitio web del editor: https://doi.org/10.1016/j.polymer.2022.125540
The copyrighted version of this article, first published in Polymer, Volume 264, 2023, 125540, ISSN 0032-3861, is available online at the publisher's website: https://doi.org/10.1016/j.polymer .2022.125540
Categorías UNESCO
Palabras clave
Ferroelectric polymer nanoparticles, Polar phase, PVDF
Citación
E. Gutiérrez-Fernández, J. Sena-Fernández, E. Rebollar, T.A Ezquerra, F.J. Hermoso-Pinilla, M. Sanz, O. Gálvez, A. Nogales; Development of polar phases in ferroelectric poly(vinylidene fluoride) (PVDF) nanoparticles, Polymer, Volume 264, 2023, 125540, ISSN 0032-3861, https://doi.org/10.1016/j.polymer.2022.125540
Centro
Facultades y escuelas::Facultad de Ciencias
Departamento
Física Interdisciplinar