| 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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Von Hauff, Elizabeth
Fraunhofer Society
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (27/27 displayed)
- 2024Volumetric 3D-Printed Piezoelectric Polymer Filmscitations
- 2021Correlating Ultrafast Dynamics, Liquid Crystalline Phases, and Ambipolar Transport in Fluorinated Benzothiadiazole Dyescitations
- 2021Correlating Ultrafast Dynamics, Liquid Crystalline Phases, and Ambipolar Transport in Fluorinated Benzothiadiazole Dyescitations
- 2019Air-stable and oriented mixed lead halide perovskite (FA/MA) by the one-step deposition method using Zinc Iodide and an Alkylammonium additivecitations
- 2019Relating Chain Conformation to the Density of States and Charge Transport in Conjugated Polymers:The Role of the β -phase in Poly(9,9-dioctylfluorene)citations
- 2019Air-Stable and Oriented Mixed Lead Halide Perovskite (FA/MA) by the One-Step Deposition Method Using Zinc Iodide and an Alkylammonium Additivecitations
- 2019Relating Chain Conformation to the Density of States and Charge Transport in Conjugated Polymers: The Role of the β -phase in Poly(9,9-dioctylfluorene)citations
- 2019Relating Chain Conformation to the Density of States and Charge Transport in Conjugated Polymerscitations
- 2018Extraordinary Interfacial Stitching between Single All-Inorganic Perovskite Nanocrystalscitations
- 2018Extraordinary Interfacial Stitching between Single All-Inorganic Perovskite Nanocrystalscitations
- 2016High-Permittivity Conjugated Polyelectrolyte Interlayers for High-Performance Bulk Heterojunction Organic Solar Cellscitations
- 2016High-Permittivity Conjugated Polyelectrolyte Interlayers for High-Performance Bulk Heterojunction Organic Solar Cellscitations
- 2015Imaging of morphological changes and phase segregation in doped polymeric semiconductorscitations
- 2015Imaging of morphological changes and phase segregation in doped polymeric semiconductorscitations
- 2013Silica Nanoparticles for Enhanced Carrier Transport in Polymer-Based Short Channel Transistorscitations
- 2013Silica Nanoparticles for Enhanced Carrier Transport in Polymer-Based Short Channel Transistorscitations
- 2013Thiophene-based copolymers synthesized by electropolymerization for application as hole transport layer in organic solar cellscitations
- 2013Interpreting the density of states extracted from organic solar cells using transient photocurrent measurementscitations
- 2012The Effect of Ageing on Exciton Dynamics, Charge Separation, and Recombination in P3HT/PCBM Photovoltaic Blendscitations
- 2012The Effect of Ageing on Exciton Dynamics, Charge Separation, and Recombination in P3HT/PCBM Photovoltaic Blendscitations
- 2012Influence of different copolymer sequences in low band gap polymers on their performance in organic solar cellscitations
- 2012ITO-free inverted polymer/fullerene solar cells: Interface effects and comparison of different semi-transparent front contactscitations
- 2012Influence of molecular weight on the short-channel effect in polymer-based field-effect transistorscitations
- 2011The Role of Molecular Structure and Conformation in Polymer Electronicscitations
- 2009Electrochemical Synthesis of Polypyrrole Layers Doped with Glutamic Ionscitations
- 2008Binding and release of glutamate from overoxidized polypyrrole via an applied potential for application as a molecular switchcitations
- 2005Diphenylmethanofullerenes: New and efficient acceptors in bulk-heterojunction solar cellscitations
Places of action
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article
Volumetric 3D-Printed Piezoelectric Polymer Films
Abstract
<p>A novel additive manufacturing route using a tailored resin containing Poly(vinylidene fluoride) Trifluoroethylene (PVDF-TrFE) to 3D print piezoelectric films is demonstrated. Piezoelectric films are printed within 2 seconds in a single step by simultaneously focusing initiating and inhibiting excitations within the liquid resin to locally confine the photochemical reaction. The printed films are patterned with an array of holes with a diameter of 30 µm and a pitch of 55 µm. The piezoelectric response is homogeneous across the film, indicating that the print pattern does not impact the PVDF-TrFE microstructure. Although the printed films contain only a small volume fraction of PVDF-TrFE (3 wt.%), their piezoelectric response (d<sub>33</sub> = 20.3 pC/N) is comparable to the highest literature values reported for PVDF-TrFE films. The printed PVDF-TrFE films are predominantly β-phase, and no electrical poling, post-processing, piezoelectric or inorganic additives are used in the fabrication. Analysis using piezoresponse force microscopy (PFM) and scanning electron microscopy (SEM) reveals that the enhanced piezoelectric response is due to the preferential formation of oriented PVDF-TrFE phases during printing. These results demonstrate how the dedicated design of photoactive resins in combination with volumetric additive manufacturing can be applied to rapidly fabricate functional 3D structures.</p>