Influences of poling temperature and elongation ratio on PVDF-HFP piezoelectric films

Poly(vinylidene fluoride) (PVDF) and its copolymers exhibit excellent piezoelectric properties and are potential materials for high efficiency energy harvesting devices. In this study, poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) films are prepared by the solution casting method. The...

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Autores principales:	Jin Zhaonan, Lei Dan, Wang Yang, Wu Liangke, Hu Ning
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	pvdf-hfp stretching poling piezoelectricity Technology T Chemical technology TP1-1185 Physical and theoretical chemistry QD450-801
Acceso en línea:	https://doaj.org/article/acd339d5ec3a4281aee897fa122d31e9
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spelling	oai:doaj.org-article:acd339d5ec3a4281aee897fa122d31e92021-12-05T14:10:58ZInfluences of poling temperature and elongation ratio on PVDF-HFP piezoelectric films2191-909710.1515/ntrev-2021-0070https://doaj.org/article/acd339d5ec3a4281aee897fa122d31e92021-08-01T00:00:00Zhttps://doi.org/10.1515/ntrev-2021-0070https://doaj.org/toc/2191-9097Poly(vinylidene fluoride) (PVDF) and its copolymers exhibit excellent piezoelectric properties and are potential materials for high efficiency energy harvesting devices. In this study, poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) films are prepared by the solution casting method. The prepared film is then subjected to mechanical stretching and poling process. By adjusting the temperature of the poling process and the elongation ratio of the mechanical stretching process, the relative content of β-phase F(β) increases significantly, leading to high piezoelectric performance. The maximum output voltage of the PVDF-HFP films poled at 40°C reaches 3.67 V, 71% higher than that of the films poled at room temperature. Fourier transform infrared spectroscopy analysis (FTIR), XRD (X-ray diffraction), and differential scanning calorimetry are used to investigate the influences of mechanical stretching and poling process on the crystal structure to discover the enhancement mechanism. This work provides a straightforward and low-cost route to prepare high piezoelectric PVDF-HFP-based materials.Jin ZhaonanLei DanWang YangWu LiangkeHu NingDe Gruyterarticlepvdf-hfpstretchingpolingpiezoelectricityTechnologyTChemical technologyTP1-1185Physical and theoretical chemistryQD450-801ENNanotechnology Reviews, Vol 10, Iss 1, Pp 1009-1017 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	pvdf-hfp stretching poling piezoelectricity Technology T Chemical technology TP1-1185 Physical and theoretical chemistry QD450-801
spellingShingle	pvdf-hfp stretching poling piezoelectricity Technology T Chemical technology TP1-1185 Physical and theoretical chemistry QD450-801 Jin Zhaonan Lei Dan Wang Yang Wu Liangke Hu Ning Influences of poling temperature and elongation ratio on PVDF-HFP piezoelectric films
description	Poly(vinylidene fluoride) (PVDF) and its copolymers exhibit excellent piezoelectric properties and are potential materials for high efficiency energy harvesting devices. In this study, poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) films are prepared by the solution casting method. The prepared film is then subjected to mechanical stretching and poling process. By adjusting the temperature of the poling process and the elongation ratio of the mechanical stretching process, the relative content of β-phase F(β) increases significantly, leading to high piezoelectric performance. The maximum output voltage of the PVDF-HFP films poled at 40°C reaches 3.67 V, 71% higher than that of the films poled at room temperature. Fourier transform infrared spectroscopy analysis (FTIR), XRD (X-ray diffraction), and differential scanning calorimetry are used to investigate the influences of mechanical stretching and poling process on the crystal structure to discover the enhancement mechanism. This work provides a straightforward and low-cost route to prepare high piezoelectric PVDF-HFP-based materials.
format	article
author	Jin Zhaonan Lei Dan Wang Yang Wu Liangke Hu Ning
author_facet	Jin Zhaonan Lei Dan Wang Yang Wu Liangke Hu Ning
author_sort	Jin Zhaonan
title	Influences of poling temperature and elongation ratio on PVDF-HFP piezoelectric films
title_short	Influences of poling temperature and elongation ratio on PVDF-HFP piezoelectric films
title_full	Influences of poling temperature and elongation ratio on PVDF-HFP piezoelectric films
title_fullStr	Influences of poling temperature and elongation ratio on PVDF-HFP piezoelectric films
title_full_unstemmed	Influences of poling temperature and elongation ratio on PVDF-HFP piezoelectric films
title_sort	influences of poling temperature and elongation ratio on pvdf-hfp piezoelectric films
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/acd339d5ec3a4281aee897fa122d31e9
work_keys_str_mv	AT jinzhaonan influencesofpolingtemperatureandelongationratioonpvdfhfppiezoelectricfilms AT leidan influencesofpolingtemperatureandelongationratioonpvdfhfppiezoelectricfilms AT wangyang influencesofpolingtemperatureandelongationratioonpvdfhfppiezoelectricfilms AT wuliangke influencesofpolingtemperatureandelongationratioonpvdfhfppiezoelectricfilms AT huning influencesofpolingtemperatureandelongationratioonpvdfhfppiezoelectricfilms
_version_	1718371562142302208

Influences of poling temperature and elongation ratio on PVDF-HFP piezoelectric films

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