| 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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Blasco, Eva
Heidelberg University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2024Two-photon laser printing of 3D multicolor emissive polymer microstructurescitations
- 2023Deconstructing 3D Structured Materials by Modern Ultramicrotomy for Multimodal Imaging and Volume Analysis across Length Scalescitations
- 2023Deconstructing 3D Structured Materials by Modern Ultramicrotomy for Multimodal Imaging and Volume Analysis across Length Scales
- 2023Laser printed microelectronicscitations
- 2023Increasing the Efficiency of Thermoresponsive Actuation at the Microscale by Direct Laser Writing of pNIPAMcitations
- 20233D Printing Hierarchically Nano‐Ordered Structures
- 20233D Printing Hierarchically Nano‐Ordered Structurescitations
- 2023Covalent Adaptable Microstructures via Combining Two‐Photon Laser Printing and Alkoxyamine Chemistry: Toward Living 3D Microstructures
- 2022Increasing the Efficiency of Thermoresponsive Actuation at the Microscale by Direct Laser Writing of pNIPAM
- 2022Covalent Adaptable Microstructures via Combining Two‐Photon Laser Printing and Alkoxyamine Chemistry: Toward Living 3D Microstructurescitations
- 2021Enzyme-degradable 3D multi-material microstructurescitations
- 2021Emissive semi-interpenetrating polymer networks for ink-jet printed multilayer OLEDscitations
- 2021Multi-material multi-photon 3D laser micro- and nanoprinting
- 2020Rapid Assembly of Small Materials Building Blocks (Voxels) into Large Functional 3D Metamaterialscitations
- 2019Controlling the shape of 3D microstructures by temperature and lightcitations
- 2019Two in one: Light as a tool for 3D printing and erasing at the microscalecitations
- 2019Tailoring the mechanical properties of 3D microstructures using visible light post-manufacturingcitations
- 2018A subtractive photoresist platform for micro- and macroscopic 3D printed structurescitations
- 2016Fabrication of conductive 3D gold-containing microstructures via direct laser writingcitations
- 2015Designing pi-Conjugated Polymeric Nano- and Microstructures via Light Induced Chemistrycitations
- 2013Photochemical generation of light responsive surfacescitations
Places of action
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article
Emissive semi-interpenetrating polymer networks for ink-jet printed multilayer OLEDs
Abstract
Solution-processing of multilayered Organic Light Emitting Diodes (OLEDs) remains a challenge that is often addressed by cross-linking polymer precursors into insoluble networks. Herein, we blend an emissive polymer carrying a Thermally Activated Delayed Fluorescence (TADF) emitter and a host species with a photo-cross-linkable polymer containing ortho-methylbenzaldehyde and maleimide groups as reactive cross-linkers to form a Semi-Interpenetrating Polymer Network (SIPN) upon irradiation at 365 nm. The progress of the cross-linking via Diels–Alder [4 + 2]-cycloaddition is monitored by FT-IR-spectroscopy and is correlated with the solvent resistance of the SIPN. Furthermore, the influence of the molecular weight and the cross-linker content on the efficiency of the cross-linking are investigated. The resulting polymer films show a high solvent resistance evidenced by photoluminescence and AFM measurements and are thus suitable for a successive solution-processed layer. Furthermore, a comonomer carrying the commercial host molecule 1,3-bis(N-carbazolyl)benzene (mCP) was synthesized in high yields, copolymerized and integrated in the emissive SIPN with good resistance against organic solvents. Lastly, the polymer blends were processed with an ink-jet printer and turned into an insoluble SIPN.<br/>