Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2020Boron-doped single-walled carbon nanotubes with enhanced thermoelectric power factor for flexible thermoelectric devices
Liu, Ye; Khavrus, Vyacheslav O.; Lehmann, Thomas; Yang, Hong-liu; Stepien, Lukas; Greifzu, Moritz; Oswald, Steffen; Gemming, Thomas; Bezugly, Viktor; Cuniberti, Gianaurelio
Journal Article
2019Ammonia plasma-induced n-type doping of semiconducting carbon nanotube films: Thermoelectric properties and ambient effects
Liu, Ye; Nitschke, Mirko; Stepien, Lukas; Khavrus, Vyacheslav O.; Bezugly, Viktor; Cuniberti, Gianaurelio
Journal Article
2019Laser treatment as sintering process for dispenser printed bismuth telluride based paste
Greifzu, Moritz; Tkachov, Roman; Stepien, Lukas; Lopez, Elena; Brückner, Frank; Leyens, Christoph
Journal Article
2019A printable paste based on a stable n-Type Poly[Ni-tto] semiconducting polymer
Tkachov, Roman; Stepien, Lukas; Greifzu, Moritz; Kiriy, Anton; Kiriy, Nataliya; Schüler, Tilman; Schmiel, Tino; Lopez, Elena; Brückner, Frank; Leyens, Christoph
Journal Article
2018Aerosol-printed highly conductive Ag transmission lines for flexible electronic devices
Abt, Marvin; Roch, Aljoscha; Qayyum, Jubaid A.; Pestotnik, Svenja; Stepien, Lukas; Abu-Ageel, Atef; Wright, Brian; Ulusoy, Ahmet Cagri; Albrecht, John; Harle, Lee; Papapolymerou, John
Journal Article
2018Polyethenetetrathiolate or polytetrathiooxalate? Improved synthesis, a comparative analysis of a prominent thermoelectric polymer and implications to the charge transport mechanism
Tkachov, Roman; Stepien, Lukas; Grafe, Robert; Guskov, Olga; Kiriy, Anton; Simon, Frank; Reith, Heiko; Nielsch, Kornelius; Schierning, Gabi; Kasinathan, Deepa; Leyens, Christoph
Journal Article
2018Verfahren und Vorrichtung zur generativen Herstellung von Bauteilen oder die Ausbildung von Beschichtungen auf Oberflächen von Bauteilen
Greifzu, Moritz; Roch, Aljoscha; Stepien, Lukas
Patent
2017Enamel shear bond strength of different primers combined with an orthodontic adhesive paste
Seeliger, Julia H.; Botzenhart, Ute U.; Gedrange, Tomasz; Kozak, Karol; Stepien, Lukas; Machoy, Monika
Journal Article
2017Facile synthesis of potassium tetrathiooxalate - The "true" monomer for the preparation of electron-conductive poly(nickel-ethylenetetrathiolate)
Tkachov, Roman; Stepien, Lukas; Roch, Aljoscha; Komber, Hartmut; Hennersdorf, Felix; Weigand, Jan J.; Bauer, Ingmar; Kiriy, Anton; Leyens, Christoph
Journal Article
2017In vivo analysis of covering materials composed of biodegradable polymers enriched with flax fibers
Gredes, Tomasz; Schönitz, Sandra; Gedrange, Tomasz; Stepien, Lukas; Kozak, Karol; Kunert-Keil, Christiane
Journal Article
2017Thermal operating window for PEDOT:PSS films and its related thermoelectric properties
Stepien, Lukas; Roch, Aljoscha; Tkachov, Roman; Leupolt, Beate; Han, Li; Ngo, Nong van; Leyens, Christoph
Journal Article
2017Tool optimization for dry forming applications - optimized surface preparation of ta-C
Roch, Teja; Stepien, Lukas; Kunze, Tim; Mousavi, Ali; Topalski, Slavcho; Lasagni, Andrés-Fabián; Brosius, Alexander
Journal Article
2017Verfahren zur Herstellung thermoelektrischer Elemente auf Oberflächen von Bauteilen und damit hergestellte thermoelektrisches Element
Roch, Aljoscha; Stepien, Lukas; Langer, Maurice
Patent
2016Dispenser and aerosoljet printed electrical functionalities
Dani, Ines; Stepien, Lukas; Greifzu, Moritz; Roch, Aljoscha; Leyens, Christoph
Conference Paper
2016Dispenser printed flexible and full organic thermoelectric generators
Leisten, Judith; Stepien, Lukas; Tkachov, Roman; Sinowzik, Lina; Roch, Aljoscha; Leyens, Christoph
Presentation
2016Effects of spark plasma sintering conditions on the anisotropic thermoelectric properties of bismuth antimony telluride
Han, Li; Spangsdorf, S.H.; Nong, Ngovan; Hung, Le Thanh; Zhang, Y.B.; Pham, H.N.; Chen, Yu; Roch, Aljoscha; Stepien, Lukas; Pryds, Nini H.
Journal Article
2016Investigation of the thermoelectric power factor of KOH-treated PEDOT:PSS dispersions for printing applications
Stepien, Lukas; Roch, Aljoscha; Schlaier, Sarah; Dani, Ines; Kiriy, Anton; Simon, Frank; Lukowicz, Marian v.; Leyens, Christoph
Journal Article
2016Optimized design for flexible polymer thermoelectric generators
Aranguren, Patricia; Roch, Aljoscha; Stepien, Lukas; Abt, Marvin; Lukowicz, Marian von; Dani, Ines; Astrain, David
Journal Article
2016Progress in polymer thermoelectrics
Stepien, Lukas; Roch, Aljoscha; Tkachov, Roman; Gedrange, Tomasz
Book Article
2016Thermoelectric PEDOT:PSS and single-walled carbon nanotubes composites for printing applications
Leisten, Judith; Stepien, Lukas; Roch, Aljoscha; Dani, Ines; Leyens, Christoph
Presentation
2015Ambient effects on the electrical conductivity of carbon nanotubes
Roch, Aljoscha; Greifzu, Moritz; Talens, Esther; Stepien, Lukas; Roch, Teja; Hege, Judith; Nong, Ngo Van; Schmiel, Tino; Dani, Ines; Leyens, Christoph; Jost, Oliver; Leson, Andreas
Journal Article
2015Thermoelekrischer Generator und Verfahren zur Herstellung eines thermoelektrischen Generators
Dani, Ines; Roch, Aljoscha; Stepien, Lukas
Patent
2015Thermoelektrische Generatoranordnung
Dani, Ines; Roch, Aljoscha; Stepien, Lukas
Patent
2014Optical absorption spectroscopy and properties of single walled carbon nanotubes at high temperature
Roch, Aljoscha; Stepien, Lukas; Roch, Teja; Dani, Ines; Leyens, Christoph; Jost, Oliver; Leson, Andreas
Journal Article
2014Zusammenstellung für die Ausbildung eines reaktiven Schichtsystems oder Multischichtsystems sowie deren Verwendung
Dani, Ines; Roch, Aljoscha; Stepien, Lukas
Patent
2013Energy turnaround: Printing of thermoelectric generators
Dani, Ines; Roch, Aljoscha; Stepien, Lukas; Leyens, Christoph; Greifzu, Moritz; Lukowicz, Marian von
Conference Paper