| 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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Mattoli, Virgilio
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2024Evolution of the Microrobots: Stimuli-Responsive Materials and Additive Manufacturing Technologies Turn Small Structures into Microscale Robotscitations
- 2024Evolution of the Microrobots: Stimuli-Responsive Materials and Additive Manufacturing Technologies Turn Small Structures into Microscale Robotscitations
- 2024Evolution of the Microrobots:Stimuli-Responsive Materials and Additive Manufacturing Technologies Turn Small Structures into Microscale Robotscitations
- 2023Highly conformable terahertz metasurface absorbers via two-photon polymerization on polymeric ultra-thin filmscitations
- 2023Highly conformable terahertz metasurface absorbers via two-photon polymerization on polymeric ultra-thin filmscitations
- 2023Chitosan decorated cobalt zinc ferrite nanoferrofluid composites for potential cancer hyperthermia therapy: anti-cancer activity, genotoxicity, and immunotoxicity evaluationcitations
- 2022Rapid self-healing in IR-responsive plasmonic indium tin oxide/polyketone nanocompositescitations
- 2022Rapid Self-Healing in IR-Responsive Plasmonic Indium Tin Oxide/Polyketone Nanocompositescitations
- 2022One-step functionalization of mildly and strongly reduced graphene oxide with maleimide: an experimental and theoretical investigation of the Diels-Alder [4+2] cycloaddition reactioncitations
- 2021Direct laser writing of liquid crystal elastomers oriented by a horizontal electric fieldcitations
- 2021Direct laser writing of liquid crystal elastomers oriented by a horizontal electric fieldcitations
- 2021Two-step MEMS microfabrication via 3D direct laser lithographycitations
- 2021Thermally Switchable Electrically Conductive Thermoset rGO/PK Self-Healing Compositescitations
- 2021Thermally Switchable Electrically Conductive Thermoset rGO/PK Self-Healing Compositescitations
- 2021Electroconductive multi-functional polypyrrole composites for biomedical applicationscitations
- 2021Injectable hyaluronic acid-based antibacterial hydrogel adorned with biogenically synthesized AgNPs-decorated multi-walled carbon nanotubescitations
- 2014Gold nanoshell/polysaccharide nanofilm for controlled laser-assisted tissue thermal ablationcitations
- 2013Barium titanate core – gold shell nanoparticles for hyperthermia treatmentscitations
- 2013Barium titanate core--gold shell nanoparticles for hyperthermia treatmentscitations
- 2013Effects of barium titanate nanoparticles on proliferation and differentiation of rat mesenchymal stem cellscitations
- 2013Liquid single crystal elastomer/conducting polymer bilayer composite actuator: Modelling and experimentscitations
Places of action
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article
Direct laser writing of liquid crystal elastomers oriented by a horizontal electric field
Abstract
Background: The ability to fabricate components capable of performing actuation in a reliable and controlled manner is one of the main research topics in the field of microelectromechanical systems (MEMS). However, the development of these technologies can be limited in many cases by 2D lithographic techniques employed in the fabrication process. Direct Laser Writing (DLW), a 3D microprinting technique based on two-photon polymerization, can offer novel solutions to prepare, both rapidly and reliably, 3D nano- and microstructures of arbitrary complexity. In addition, the use of functional materials in the printing process can result in the fabrication of smart and responsive devices. Methods: In this study, we present a novel methodology for the printing of 3D actuating microelements comprising Liquid Crystal Elastomers (LCEs) obtained by DLW. The alignment of the mesogens was performed using a static electric field (1.7 V/μm) generated by indium-tin oxide (ITO) electrodes patterned directly on the printing substrates. Results: When exposed to a temperature higher than 50°C, the printed microstructures actuated rapidly and reversibly of about 8% in the direction perpendicular to the director. Conclusions: A novel methodology was developed that allows the printing of directional actuators comprising LCEs via DLW. To impart the necessary alignment of the mesogens, a static electric field was applied before the printing process by making use of flat ITO electrodes present on the printing substrates. The resulting microelements showed a reversible change in shape when heated higher than 50°C.