| 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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Franssila, Sami
Aalto University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2022Microfabrication atomic layer deposited Pt NPs/TiN thin film on silicon as a nanostructure signal Transducer: Electrochemical characterization toward neurotransmitter sensingcitations
- 2021Fabrication of elastic, conductive, wear-resistant superhydrophobic composite materialcitations
- 2020Elastic and fracture properties of free-standing amorphous ALD Al2O3 thin films measured with bulge testcitations
- 2019Fabrication of micro- and nanopillars from pyrolytic carbon and tetrahedral amorphous carboncitations
- 2018Elastic and fracture properties of free-standing amorphous ALD Al2O3 thin films measured with bulge testcitations
- 2018Platinum recovery from Industrial Process Solutions by Electrodepo-sition-Redox Replacement
- 2016Cellulose nanofibril film as a piezoelectric sensor materialcitations
- 2016Non-Lithographic Silicon Micromachining Using Inkjet and Chemical Etchingcitations
- 2016Novel nanostructure replication process for robust superhydrophobic surfacescitations
- 2016Robust hybrid elastomer/metal-oxide superhydrophobic surfacescitations
- 2015Fracture properties of atomic layer deposited aluminum oxide free-standing membranescitations
- 2013Laser direct writing of thick hybrid polymer microstructurescitations
- 2010Atomic layer deposition of tin dioxide sensing film in microhotplate gas sensorscitations
- 2009Carbon nanotube thin film transistors based on aerosol methodscitations
- 2007Glass microfabricated nebulizer chip for mass spectrometrycitations
- 2006Design and fabrication of integrated solid-phase extraction-zone electrophoresis microchipcitations
Places of action
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article
Cellulose nanofibril film as a piezoelectric sensor material
Abstract
elf-standing films (45 μm thick) of native cellulose nanofibrils (CNFs) were synthesized and characterized for their piezoelectric response. The surface and the microstructure of the films were evaluated with image-based analysis and scanning electron microscopy (SEM). The measured dielectric properties of the films at 1 kHz and 9.97 GHz indicated a relative permittivity of 3.47 and 3.38 and loss tangent tan δ of 0.011 and 0.071, respectively. The films were used as functional sensing layers in piezoelectric sensors with corresponding sensitivities of 4.7–6.4 pC/N in ambient conditions. This piezoelectric response is expected to increase remarkably upon film polarization resulting from the alignment of the cellulose crystalline regions in the film. The CNF sensor characteristics were compared with those of polyvinylidene fluoride (PVDF) as reference piezoelectric polymer. Overall, the results suggest that CNF is a suitable precursor material for disposable piezoelectric sensors, actuators, or energy generators with potential applications in the fields of electronics, sensors, and biomedical diagnostics.