| People | Locations | Statistics |
|---|---|---|
| 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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Opris, Dorina M.
Swiss Federal Laboratories for Materials Science and Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (49/49 displayed)
- 2024Polysiloxane inks for multimaterial 3d printing of high-permittivity dielectric elastomerscitations
- 2024High-permittivity polysiloxanes for bright, stretchable electroluminescent devicescitations
- 2024Polysiloxane Inks for Multimaterial 3d Printing of High‐Permittivity Dielectric Elastomerscitations
- 2024Elastomers based on polynorbornene with polar polysiloxane brushes for soft transducer applications
- 2024Synthesis of bottlebrush polymers with spontaneous self-assembly for dielectric generatorscitations
- 2024A polyphosphazene elastomer containing 2,2,2-trifluoroethoxy groups as a dielectric in electrically responsive soft actuatorscitations
- 2023On-demand cross-linkable bottlebrush polymers for voltage-driven artificial musclescitations
- 2023Self-healable, high-permittivity elastomers for dielectric elastomer actuators
- 2023Synthesis of polysiloxane elastomers modified with sulfonyl side groups and their electromechanical responsecitations
- 2023High-permittivity polysiloxanes for solvent-free fabrication of dielectric elastomer actuatorscitations
- 2022Synthesis of polar polynorbornenes with high dielectric relaxation strength as candidate materials for dielectric applicationscitations
- 2022Dielectric properties of 3-3 flexible composites by infiltration of elastomers into porous ceramic structures using cellulose scaffoldcitations
- 2022Heterogeneous silica-polyimide aerogel-in-aerogel nanocompositescitations
- 2022High dielectric permittivity elastomers: synthesis, processability, and device manufacturingcitations
- 2022Slot-die coating of an on-the-shelf polymer with increased dielectric permittivity for stack actuatorscitations
- 2022Transient elastomers with high dielectric permittivity for actuators, sensors, and beyondcitations
- 2022Stretchable high response piezoelectric elastomers based on polable polynorbornene fillers in a polydimethylsiloxane matrixcitations
- 2022Self-healable, self-repairable, and recyclable electrically responsive artificial musclescitations
- 2021Polysiloxanes modified with different types and contents of polar groups: synthesis, structure, and thermal and dielectric propertiescitations
- 2021A highly elastic polysiloxane-based polymer electrolyte for all-solid-state lithium metal batteriescitations
- 2020Electrically driven artificial muscles using novel polysiloxane elastomers modified with nitroaniline push-pull moietiescitations
- 2020Increased electromechanical sensitivity of polysiloxane elastomers by chemical modification with thioacetic groupscitations
- 2019Synthesis of solvent-free processable and on-demand cross-linkable dielectric elastomers for actuatorscitations
- 2019Synthesis of solvent-free processable and on-demand cross-linkable dielectric elastomers for actuatorscitations
- 2019Electrical energy generated by silicone elastomers filled with nanospring-carbon-nanotubescitations
- 2019Artificial muscles: dielectric elastomers responsive to low voltagescitations
- 2018Synthesis of novel cyclosiloxane monomers containing push–pull moieties and their anionic ring opening polymerizationcitations
- 2018Dielectric elastomer actuators with increased dielectric permittivity and low leakage current capable of suppressing electromechanical instabilitycitations
- 2018Dielectric elastomer actuators with increased dielectric permittivity and low leakage current capable of suppressing electromechanical instabilitycitations
- 2017A facile synthetic strategy to polysiloxanes containing sulfonyl side groups with high dielectric permittivitycitations
- 2017A facile synthetic strategy to polysiloxanes containing sulfonyl side groups with high dielectric permittivitycitations
- 2017Charge generation by ultra-stretchable elastomeric electretscitations
- 2016Elastomers with tunable dielectric and electromechanical propertiescitations
- 2016Elastomers with tunable dielectric and electromechanical propertiescitations
- 2016Silicones with enhanced permittivity for dielectric elastomer actuatorscitations
- 2015Poleable nanoparticles as fillers towards non-linear optically active actuators
- 2015Dielectric materials, design and realizationcitations
- 2015Highly stretchable dielectric elastomer composites containing high volume fractions of silver nanoparticlescitations
- 2015Synthesis of silicone elastomers containing trifluoropropyl groups and their use in dielectric elastomer transducerscitations
- 2015Fine-tuning of the dielectric properties of polysiloxanes by chemical modificationcitations
- 2015Self-repairable, high permittivity dielectric elastomers with large actuation strains at low electric fieldscitations
- 2014Chemical modification of polysiloxanes with polar pendant groups by co-hydrosilylationcitations
- 2013Dielectric properties of silver nanoparticles coated with silica shells of different thicknessescitations
- 2013Synthesis and characterization of silicones containing cyanopropyl groups and their use in dielectric elastomer actuatorscitations
- 2011New silicone composites for dielectric elastomer actuator applications in competition with acrylic foilcitations
- 2010Elastomer actuators: systematic improvement in properties by use of composite materialscitations
- 2010High breakdown field dielectric elastomer actuators using encapsulated polyaniline as high dielectric constant fillercitations
- 2009Phthalocyanine and encapsulated polyaniline nanoparticles as fillers for dielectric elastomerscitations
- 2009Frequency dependent dielectric and mechanical behavior of elastomers for actuator applicationscitations
Places of action
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article
Synthesis of polysiloxane elastomers modified with sulfonyl side groups and their electromechanical response
Abstract
Dielectric elastomer transducers are elastic capacitors that respond to mechanical or electrical stress. They can be used in applications such as millimeter-sized soft robots and harvesters of the energy contained in ocean waves. The dielectric component of these capacitors is a thin elastic film, preferably made of a material having a high dielectric permittivity. When properly designed, these materials convert electrical energy into mechanical energy and vice versa , as well as thermal energy into electrical energy and vice versa. Whether a polymer can be used for one or the other application is determined by its glass transition temperature ( T g ), which should be significantly below room temperature for the former and around room temperature for the latter function. Herein, we report a polysiloxane elastomer modified with polar sulfonyl side groups to contribute to this field with a powerful new material. This material has a dielectric permittivity as high as 18.4 at 10 kHz and 20 °C, a relatively low conductivity of 5 × 10 -10 S cm -1 , and a large actuation strain of 12% at an electric field of 11.4 V μm -1 (0.25 Hz and 400 V). At 0.5 Hz and 400 V, the actuator showed a stable actuation of 9% over 1000 cycles. The material exhibited a T g of -13.6 °C, which although is well below room temperature affected the material's response in actuators, which shows significant differences in the response at different frequencies and temperatures and in films with different thicknesses.