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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Esperança, José Manuel Silva Simões
Universidade Nova de Lisboa
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (27/27 displayed)
- 2023Multifunctional magnetoelectric sensing and bending actuator response of polymer-based hybrid materials with magnetic ionic liquidscitations
- 2023CO2 hydrates phase behaviour and onset nucleation temperatures in mixtures of H2O and D2Ocitations
- 2022Structural organization of ionic liquids embedded in fluorinated polymerscitations
- 2021Photocurable temperature activated humidity hybrid sensing materials for multifunctional coatingscitations
- 2020Design of Ionic-Liquid-Based Hybrid Polymer Materials with a Magnetoactive and Electroactive Multifunctional Responsecitations
- 2020Chitosan polymer electrolytes doped with a dysprosium ionic liquidcitations
- 2020QSPR Modeling of Liquid-liquid Equilibria in Two-phase Systems of Water and Ionic Liquidcitations
- 2019Ionic Liquid Cation Size-Dependent Electromechanical Response of Ionic Liquid/Poly(vinylidene fluoride)-Based Soft Actuatorscitations
- 2019Ionic-liquid-based printable materials for thermochromic and thermoresistive applicationscitations
- 2018Low-field giant magneto-ionic response in polymer-based nanocompositescitations
- 2017Playing with ionic liquids to uncover novel polymer electrolytescitations
- 2017Effect of storage time on the ionic conductivity of chitosan-solid polymer electrolytes incorporating cyano-based ionic liquidscitations
- 2017Polymer electrolytes for electrochromic devices through solvent casting and sol-gel routescitations
- 2017Structural, morphological, ionic conductivity, and thermal properties of pectin-based polymer electrolytescitations
- 2017A luminescent europium ionic liquid to improve the performance of chitosan polymer electrolytescitations
- 2016Imidazolium-based ionic liquid type dependence of the bending response of polymer actuatorscitations
- 2016Electromechanical actuators based on poly(vinylidene fluoride) with [N1 1 1 2(OH)][NTf2] and [C2mim] [C2SO4]citations
- 2016Development of poly(vinylidene fluoride)/ionic liquid electrospun fibers for tissue engineering applicationscitations
- 2015High performance electromechanical actuators based on ionic liquid/poly(vinylidene fluoride)citations
- 2015Effect of ionic liquid anion and cation on the physico-chemical properties of poly(vinylidene fluoride)/ionic liquid blendscitations
- 2015Effect of the alkyl chain length of the ionic liquid anion on polymer electrolytes propertiescitations
- 2014Generating ionic liquids from ionic solidscitations
- 2014Ionic liquids for solid-state electrolytes and electrosynthesiscitations
- 2013Development of solid polymer electrolytes based on poly(vinylidene fluoride-trifluoroethylene) and the [N-1 1 1 2(OH)][NTf2] ionic liquid for energy storage applicationscitations
- 2013Thermophysical and magnetic studies of two paramagnetic liquid salts: [C(4)mim][FeCl4] and [P-66614][FeCl4]citations
- 2013Electrochemical applications of electrolytes based on ionic liquidscitations
- 2012Synthesis and electrochemical characterization of aPEO-based polymer electrolytescitations
Places of action
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article
High performance electromechanical actuators based on ionic liquid/poly(vinylidene fluoride)
Abstract
Due to the increasing need of low voltage actuators, independent from electrochemical processes, electroactive actuators based on poly(vinylidene fluoride) composites with 10, 25 and 40 % of 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, [C2mim] [NTf2], ionic liquid are prepared by solvent casting and melting. We show that the charge structure of [C2mim] [NTf2] induces the complete piezoelectric -phase crystallization of the PVDF within the composite and decreases its crystallinity fraction significantly. [C2mim] [NTf2] also works as a plasticizer of PVDF, reducing the elastic modulus down to 12 % of the initial value. Moreover, the composites show significant displacement and bending under applied voltages of 2, 5 and 10 Vpp. The displacement and bending of the composite membranes are also evaluated as a function of [C2mim] [NTf2] content and sample thickness. Increasing amounts of ionic liquid result in larger deformations independently of the applied voltage. ; This work was supported by FEDER through the COMPETE Program and by the Portuguese Foundation for Science and Technology (FCT) in the framework of the Strategic Projects PEST-C/QUI/UIO686/2013, PEST-C/FIS/UI607/2014 and PEstOE/EQB/LA0004/2013. The authors also thank Support by the project SIMPEInterative multitouch surfaces based on electroactive polymers - QREN-ADI- 23122, through the COMPETE program. JCD and JMSSE thank the FCT for a doctoral grant (SFRH/BD/90215/2012) grant and a contract under the Investigator FCT 2012 program.