693.932 PEOPLE
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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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| Petrov, R. H. | Madrid |
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| Casati, R. |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Azevedo, Nuno Monteiro |
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Poulin, Philippe
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Topics
Publications (55/55 displayed)
- 2024Flowable Electrodes from Colloidal Suspensions of Thin Multiwall Carbon Nanotubescitations
- 2023Stabilized ferroelectric NaNbO3 nanowires for lead-free piezoelectric nanocomposite applicationscitations
- 2023G raphene O xide B ased T ransparent R esins F or A ccurate 3D P rinting of C onductive M aterialscitations
- 2023High‐Energy‐Density Waterborne Dielectrics from Polyelectrolyte‐Colloid Complexescitations
- 2022Nanosheet-Stabilized Emulsionscitations
- 2022In situ control of graphene oxide dispersions with a small impedance sensorcitations
- 2021Inkjet Printing Microcapacitors for Energy Storage
- 2020Nanosheet-stabilized emulsions
- 2020Lignin-graphene oxide inks for 3D printing of graphitic materials with tunable densitycitations
- 2019Structuration of lignin-graphene oxide based carbon materials through liquid crystallinitycitations
- 2019Shape memory nanocomposite fibers for untethered high-energy microengines.citations
- 2019Shape memory nanocomposite fibers for untethered high-energy microenginescitations
- 2018Preparation and electrical conductivity of different fibres prepared from vertically aligned carbon nanotubes
- 2018An effective in situ reduction strategy assisted by supercritical fluids for the preparation of graphene - polymer compositescitations
- 2018All-organic microelectromechanical systems integrating electrostrictive nanocomposite for mechanical energy harvestingcitations
- 2018Giant Electrostriction of Soft Nanocomposites Based on Liquid Crystalline Graphenecitations
- 2017Large scale conductive films and patterns based on carbon nanotubes and graphene liquid crystals
- 2017Fracture related mechanical properties of low and high graphene reinforcement of epoxy nanocompositescitations
- 2017Giant Electrostrictive Response and Piezoresistivity of Emulsion Templated Nanocompositescitations
- 2016Prospects of Supercritical Fluids in Realizing Graphene-Based Functional Materials.citations
- 2016Prospects of Supercritical Fluids in Realizing Graphene-Based Functional Materials.citations
- 2016Carbon Nanotube Microfiber Actuators with Reduced Stress Relaxationcitations
- 2016Cysteine residues reduce the severity of dopamine electrochemical foulingcitations
- 2015Graphene liquid crystal retarded percolation for new high-k materialscitations
- 2015Graphene liquid crystal retarded percolation for new high-k materialscitations
- 2015Synthesis of a Conductive Copolymer and Phase Diagram of Its Suspension with Single-Walled Carbon Nanotubes by Microfluidic Technologycitations
- 2015Giant Permittivity Polymer Nanocomposites Obtained by Curing a Direct Emulsioncitations
- 2015Method for preparing macroscopic fibers of TiO2 by continuous one-way extrusion, fibers obtained and uses.
- 2015Method for preparing macroscopic fibers of TiO2 by continuous one-way extrusion, fibers obtained and uses.
- 2015Advanced thermo-mechanical characterization of organic materials by piezoresistive organic resonatorscitations
- 2015Wet-Spun Bioelectronic Fibers of Imbricated Enzymes and Carbon Nanotubes for Efficient Microelectrodescitations
- 2014Thermoelectrical Memory of Polymer Nanocompositescitations
- 2014Sensitivity enhancement of a flexible MEMS strain sensor by a field effect transistor in an all organic approachcitations
- 2013Changes of morphology and properties of block copolymers induced by carbon nanotubescitations
- 2013ZnO/PVA Macroscopic Fibers Bearing Anisotropic Photonic Propertiescitations
- 2013A chemically reactive spinning dope for significant improvements in wet spun carbon nanotube fibrescitations
- 2013Improved strain sensing performance of glass fiber polymer composites with embedded pre-stretched polyvinyl alcohol-carbon nanotube fiberscitations
- 2013A chemically reactive spinning dope for significant improvements in wet spun carbon nanotube fibrescitations
- 2012Phase Behavior of DNA-Based Dispersions containing Carbon Nanotubes: Effects of Added Polymers and Ionic Strength on Excluded Volumecitations
- 2012Phase Behavior of DNA-Based Dispersions containing Carbon Nanotubes: Effects of Added Polymers and Ionic Strength on Excluded Volumecitations
- 2012ZnO/PVA Macroscopic Fibers Bearing Anisotropic Photonic Propertiescitations
- 2012Conductivity and percolation of nanotube based polymer composites in extensional deformationscitations
- 2011Scalable Process for the Spinning of PDV-CArbon Nanotube composite Fiberscitations
- 2010Damage detection of glass fiber reinforced composites using embedded PVA-carbon nanotube (CNT) fiberscitations
- 2010Nanotube fibers for electromechanical and shape memory actuatorscitations
- 2010Structural health monitoring of glass fiber reinforced composites using embedded carbon nanotube (CNT) fiberscitations
- 2009Influence of the Spinning Conditions on the Structure and Properties of Polyamide 12/Carbon Nanotube Composite Fiberscitations
- 2009Influence of the Spinning Conditions on the Structure and Properties of Polyamide 12/Carbon Nanotube Composite Fiberscitations
- 2009Kinetics of Nanotube and Microfiber Scission under Sonicationcitations
- 2009Kinetics of nanotube and microfiber scission under sonicationcitations
- 2007Shape and Temperature Memory of Nanocomposites with Broadened Glass Transitioncitations
- 2007Thermo-electrical properties of PVA-nanotube composite fiberscitations
- 2007Liquid Crystal Behavior of Single-Walled Carbon Nanotubes Dispersed in Biological Hyaluronic Acid Solutionscitations
- 2007Liquid Crystal Behavior of Single-Walled Carbon Nanotubes Dispersed in Biological Hyaluronic Acid Solutionscitations
- 2006Nanoscale surface of carbon nanotube fibers for medical applications: Structure and chemistry revealed by TOF-SIMS analysiscitations
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article
Carbon Nanotube Microfiber Actuators with Reduced Stress Relaxation
Abstract
International audience ; Assembling carbon nanotubes (CNTs) into robust macroscopic structures remains the main challenge to efficiently exploit their electromechanical properties in actuator applications. CNT-based actuators generally suffer from creep and stress relaxation due to poor interactions between the assembled CNTs. In order to overcome this limitation, a new class of porous single wall CNT microfiber electrodes is here proposed. The present fibers are produced by a wet spinning process and generate a mechanical stress when they are stimulated at low voltage (∼1 V) in a liquid electrolyte. The used fabrication process enables the inclusion of small amounts of chemically cross-linked polymer such as poly(vinyl alcohol) within the fibers. The presence of cross-linked polymer limits the sliding of nanotubes with respect to each other, without sacrificing the porosity and electrical conductivity of the fibers. As a result, stress relaxation is greatly reduced. The fibers generate a negative stress (propensity to expand) when a positive or negative voltage is applied.