Conservation of the piezoelectric response of PVDF films under irradiation
| Autor: | B. Boizot, Giuseppe Melilli, Enric Garcia-Caurel, M.-C. Clochard, Didier Lairez, D. Gorse, O. Cavani, Alba Peinado |
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| Přispěvatelé: | Laboratoire des Solides Irradiés (LSI), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), LLB - Matière molle et biophysique (MMB), Laboratoire Léon Brillouin (LLB - UMR 12), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Laboratoire de physique des interfaces et des couches minces [Palaiseau] (LPICM), École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Centre National de la Recherche Scientifique (CNRS)-Université Paris-Saclay, Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS) |
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
010302 applied physics
chemistry.chemical_classification Radiation Materials science 02 engineering and technology Bending Polymer 021001 nanoscience & nanotechnology 01 natural sciences Piezoelectricity [CHIM.POLY]Chemical Sciences/Polymers chemistry 0103 physical sciences Irradiation Crystallite Electric potential Deformation (engineering) Composite material 0210 nano-technology Voltage |
| Zdroj: | Radiation Physics and Chemistry Radiation Physics and Chemistry, 2018, 142, pp.54-59. ⟨10.1016/j.radphyschem.2017.03.035⟩ Radiation Physics and Chemistry, Elsevier, 2018, 142, pp.54-59. ⟨10.1016/j.radphyschem.2017.03.035⟩ |
| ISSN: | 0969-806X |
| DOI: | 10.1016/j.radphyschem.2017.03.035⟩ |
| Popis: | International audience; As opposed to piezo-ceramics (i.e PZT), flexibility and robustness characterize piezoelectric polymers. The main advantage of a piezoelectric polymer, such as Poly (vinylidene fluoride) (PVDF), is an electric power generation under large reversible elastic deformation. Starting from polarized PVDF, we have shown that, despite the fact that irradiation is known to structurally modify the PVDF by introducing defects (radicals, chain scission and crosslinks), the electro-active properties were not affected. At doses lower than 100 kGy, a comparison between swift heavy-ion (SHI) and e-beam irradiations is presented. A homemade device was realized to measure the output voltage as a function of the bending deformation for irradiated and non-irradiated PVDF film.DSC and FT-IR techniques give new insights on which crystalline part or structural change contributes to the conservation of the output voltage. Results suggest that despite the material after irradiation is composed of smaller crystallites, the β-phase content remains stable around 36%, which explains the remarkable preservation of the piezoelectric response in irradiated polarized PVDF films. |
| Databáze: | OpenAIRE |
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