| People | Locations | Statistics |
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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
A luminescent europium ionic liquid to improve the performance of chitosan polymer electrolytes
Abstract
Ionically conductive and luminescent chitosan solid polymer electrolytes (SPEs) were prepared through the solvent casting method and characterized with respect to their thermal behavior, morphology, structure, ionic conductivity, optical, and photophysical properties. The characterization was performed by analysis of differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), atomic force microscopy (AFM), complex impedance and photoluminescence spectroscopies. The chitosan-SPEs were doped with different quantities of 1-ehtyl-3-methylimidazolium europium(III) tetrathiocyanate ([C2mim][Eu(SCN)4]). The chitosann[C2mim][[Eu(SCN)4] membranes exhibited a semicrystalline morphology and good thermal stability (Tonset 134 C). The sample with the highest ionic conductivity was the chitosan4[C2mim][Eu(SCN)4] with 1.34 10 5 and 1.97 10 4 S. cm 1 at 30 and 80 C, respectively. The photoluminescence analysis showed intense red emission corresponding to the 5 D0!7 D2 transition, as it is typical for Eu3+ luminescent materials. The chitosan0.5[C2mim][Eu(SCN)4] sample emitted red luminescence with a lifetime of 0.397 ms. The chitosan1[C2mim][Eu(SCN)4] exhibited the best equilibrium between the membrane’s optical and photophysical features. These results encourage future investigations of these materials for application in electroluminescent devices. ; This work was supported by Fundação para a Ciência e a Tecnologia (FCT) in the framework of the Research unit GREEN-it “Bioresources for Sustainability” (UID/Multi/04551/2013), Laboratório Associado para a Química Verde – Tecnologias e Processos Limpos-LAQV (UID/QUI/50006/2013), and UID/QUI/00686/2013 and UID/QUI/0686/2016. Grants SRFH/BD/90366/2012 (R.L.), SRFH/ BPD/109597/2015 (P.M.R.) and a contract under Investigador FCT 2012 program (J.M.S.S.E.). It was also co-financed by FEDER through the COMPETE Program and PT2020 Partnership Agreement (POCI-01-0145-FEDER ...