Tailoring the electrical conductivity of Poly(vinylidene fluoride) by blending with poly (3,4-ethylenedioxythiophene) Polystyrene sulfonate (PEDOT:PSS) and ionic liquids
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Other documents of the author: Amaro Martins, Luis; Teruel Biosca, Laura; Sabater i Serra, Roser; Andrio, Andreu; Gómez-Tejedor, José Antonio; Correia, Daniela M.; Fernandes, Liliana; Costa, Carlos M.; lanceros-mendez, senentxu; Gomez Ribelles, Jose Luis; Tort-Ausina, Isabel
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comunitat-uji-handle3:10234/6973
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Title
Tailoring the electrical conductivity of Poly(vinylidene fluoride) by blending with poly (3,4-ethylenedioxythiophene) Polystyrene sulfonate (PEDOT:PSS) and ionic liquidsAuthor (s)
Date
2024Publisher
ElsevierBibliographic citation
MARTINS, Luis Amaro, et al. Tailoring the electrical conductivity of Poly (vinylidene fluoride) by blending with poly (3, 4-ethylenedioxythiophene) Polystyrene sulfonate (PEDOT: PSS) and ionic liquids. Materials Today Chemistry, 2024, vol. 35, p. 101867.Type
info:eu-repo/semantics/articlePublisher version
https://www.sciencedirect.com/science/article/pii/S2468519423004949Version
info:eu-repo/semantics/publishedVersionSubject
Abstract
In order to tailor dielectric response and electrical conductivity, novel polymer blends based on poly(vinylidene fluoride (PVDF) and different fillers composed by poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) ... [+]
In order to tailor dielectric response and electrical conductivity, novel polymer blends based on poly(vinylidene fluoride (PVDF) and different fillers composed by poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS), and PEDOT:PSS/ionic liquids (ILs): PEDOT:PSS/N-ethyl-N-methylpyrrolidinium bis(fluorosulfonyl)imide ([C2mpyr][FSI]) and PEDOT:PSS/N-ethyl-N-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide ([C2mpyr][TFSI]), with different PEDOT:PSS/IL contents (10, 20 and 40 wt%) were prepared through solvent casting. The morphological, physical-chemical and thermal properties of the polymer blends were evaluated, together with the influence of PEDOT:PSS/IL on the PVDF crystallization kinetics, dielectric and electrical conductivity.
The incorporation of PEDOT:PSS/IL in the polymer matrix lead to a decrease of the PVDF spherulites. Furthermore, it was detected that both PEDOT:PSS and IL act as nucleation agents, promoting the homogeneous crystallization of PVDF as well as the crystallization into its b and g polar phases. The electrical conductivity formalism revealed significant contributions of PEDOT:PSS/IL to the electrical conductivity behavior of the blends, being thermally activated and described by the charge transport mechanism. Further, the dc conductivity increases due to the higher number of charge carriers of the PEDOT:PSS/IL content.
The tailorable electrical characteristics of the PVDF/PEDOT:PSS-IL blends demonstrate their potential for applications in areas such as ionic actuators and battery devices. [-]
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Materials Today Chemistry, 2024, vol. 35.Funder Name
Fundacao para a Ciencia e a Tecnologia (FCT) | ERDF through the COMPETE2020-Programa Operacional Competitividade e Internacionalizacao (POCI) | Basque Government | Spanish Government | Instituto de Salud Carlos III | European Union (EU)
Project code
UIDB/04650/2020 | UID/FIS/04650/2020 | UID/EEA/04436/2020 | UID/QUI/0686/2020 | MIT-EXPL/TDI/0033/2021 | 2022.03931. PTDC | POCI-01-0247-FEDER-046985 | SFRH/BD/145345/2019 | 2020.02915. CEECIND | 2020.04028. CEE-CIND | PID2022-138572OB-C41 | PID2022-138572OB-C42
Rights
2468-5194/© 2023 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license.
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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