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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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Stepien, Lukas
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (25/25 displayed)
- 2024Additive Manufacturing and Precipitation Hardening of Low-Alloyed Copper Alloys Containing Chromium and Hafnium
- 2024Effect of pre-heat temperature on enhancing the processability of pure zinc by laser-based powder bed fusion
- 2023Influence of Electron Beam Powder Bed Fusion Process Parameters at Constant Volumetric Energy Density on Surface Topography and Microstructural Homogeneity of a Titanium Aluminide Alloycitations
- 2023Process development for laser powder bed fusion of GRCop-42 using a 515 nm laser sourcecitations
- 2023Influence of Two-Step Heat Treatments on Microstructure and Mechanical Properties of a β-Solidifying Titanium Aluminide Alloy Fabricated via Electron Beam Powder Bed Fusioncitations
- 2023Locally Adapted Microstructures in an Additively Manufactured Titanium Aluminide Alloy Through Process Parameter Variation and Heat Treatmentcitations
- 2022Influence of Two-Step Heat Treatments on Microstructure and Mechanical Properties of a β-Solidifying Titanium Aluminide Alloy Fabricated via Electron Beam Powder Bed Fusioncitations
- 2022Locally adapted microstructures in an additively manufactured titanium aluminide alloy through process parameter variation and heat treatmentcitations
- 2022Pure Copper: Advanced Additive Manufacturingcitations
- 2021Additive manufacturing of titanium with different surface structures for adhesive bonding and thermal direct joining with fiber-reinforced polyether-ether-ketone (PEEK) for lightweight design applicationscitations
- 2021Electron beam powder bed fusion of γ-titanium aluminidecitations
- 2021Electron beam powder bed fusion of g-Titanium aluminide: Effect of processing parameters on part density, surface characteristics, and aluminum contentcitations
- 2021Additive Manufacturing of Titanium with Different Surface Structures for Adhesive Bonding and Thermal Direct Joining with Fiber-Reinforced Polyether-Ether-Ketone (PEEK) for Lightweight Design Applicationscitations
- 2020Additive manufacturing of complex pure copper parts via binder jetting
- 2020Boron-doped single-walled carbon nanotubes with enhanced thermoelectric power factor for flexible thermoelectric devicescitations
- 2019Laser Treatment as Sintering Process for Dispenser Printed Bismuth Telluride Based Pastecitations
- 2019Ammonia Plasma-Induced n-Type Doping of Semiconducting Carbon Nanotube Films: Thermoelectric Properties and Ambient Effectscitations
- 2018Pure Copper : Advanced Additive Manufacturing
- 2017Thermal operating window for PEDOT:PSS films and its related thermoelectric propertiescitations
- 2017Thermal operating window for PEDOT:PSS films and its related thermoelectric propertiescitations
- 2016Investigation of the Thermoelectric Power Factor of KOH-Treated PEDOT:PSS Dispersions for Printing Applicationscitations
- 2016Thermoelectric PEDOT:PSS and single-walled carbon nanotubes composites for printing applications
- 2015Ambient effects on the electrical conductivity of carbon nanotubescitations
- 2015Ambient effects on the electrical conductivity of carbon nanotubescitations
- 2014Optical absorption spectroscopy and properties of single walled carbon nanotubes at high temperaturecitations
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article
Thermal operating window for PEDOT:PSS films and its related thermoelectric properties
Abstract
The intrinsically conducting polymer PEDOT:PSS is widely used and hasfound high recognition due to its excellent electrical conductivity. Itspotential applications cover many fields, e.g. thermoelectric energyconversion. Therefore we compared the thermoelectric propertiesofpristine and DMSO treated PEDOT:PSS films at potential operatingtemperatures. Here we observed the electrical degradation of the film upto complete failure. Further, the thermal aging of PEDOT:PSS stilllacks of understanding. It is pointed out that PEDOT:PSS films show acomplex degradation mechanism which includes a morphological and achemical part. In the range of room temperature and ∼160 °C PEDOT:PSSfilms follow the known exponential degradation which imposesmorphological degradation, while at higher temperatures this law is notsuitable to match the experimental data. Thus we extended the knownexponential equation by an additional exponential degradation term whichshows good agreement with the experimental data. The optical absorptionspectrum indicates a loss in bipolaron and polaron charge carriers,which reflects the degradation behavior. It can be seen that changes inthe optical absorption spectrum after isothermal annealing for more than50 h occur at temperatures around 120 °C, which marks the transitionfrom morphological to chemical degradation.