A Printable Paste Based on a Stable n-Type Poly[Ni-tto] Semiconducting Polymer

Document identifier: oai:DiVA.org:ltu-77852
Access full text here:10.3390/coatings9110764
Keyword: Engineering and Technology, Materials Engineering, Manufacturing, Surface and Joining Technology, Teknik och teknologier, Materialteknik, Bearbetnings-, yt- och fogningsteknik, Semiconducting n-type polymer poly[Ni-tto], Printable paste, Surface roughness, Dispenser printing, Thermoelectric, Produktionsutveckling, Manufacturing Systems Engineering
Publication year: 2019
Relevant Sustainable Development Goals (SDGs):
SDG 9 Industry, innovation and infrastructure
The SDG label(s) above have been assigned by OSDG.ai

Abstract:

Polynickeltetrathiooxalate (poly[Ni-tto]) is an n-type semiconducting polymer having outstanding thermoelectric characteristics and exhibiting high stability under ambient conditions. However, its insolubility limits its use in organic electronics. This work is devoted to the production of a printable paste based on a poly[Ni-tto]/PVDF composite by thoroughly grinding the powder in a ball mill. The resulting paste has high homogeneity and is characterized by rheological properties that are well suited to the printing process. High-precision dispenser printing allows one to apply both narrow lines and films of poly[Ni-tto]-composite with a high degree of smoothness. The resulting films have slightly better thermoelectric properties compared to the original polymer powder. A flexible, fully organic double-leg thermoelectric generator with six thermocouples was printed by dispense printing using the poly[Ni-tto]-composite paste as n-type material and a commercial PEDOT-PSS paste as p-type material. A temperature gradient of 100 K produces a power output of about 20 nW

Authors

Roman Tkachov

Institute of Materials Science, Technische Universität Dresden, Dresden, Germany. Fraunhofer-Institut für Werkstoff- und Strahltechnik (IWS), Dresden, Germany
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Lukas Stepien

Fraunhofer-Institut für Werkstoff- und Strahltechnik (IWS),Dresden, Germany
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Moritz Greifzu

Institute of Materials Science, Technische Universität Dresden, Dresden, Germany. Fraunhofer-Institut für Werkstoff- und Strahltechnik (IWS), Dresden, Germany
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Anton Kiriy

Leibniz-Institut für Polymerforschung Dresden e.V. (IPF), Dresden, Germany
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Nataliya Kiriy

Leibniz-Institut für Polymerforschung Dresden e.V. (IPF), Dresden, Germany
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Tilman Schüler

Institute of Aerospace Engineering, Technische Universität Dresden, Dresden, Germany
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Tino Schmiel

Institute of Aerospace Engineering, Technische Universität Dresden, Dresden, Germany
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Elena López

Fraunhofer-Institut für Werkstoff- und Strahltechnik (IWS), Dresden, Germany
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Frank Brückner

Luleå tekniska universitet; Produkt- och produktionsutveckling; Fraunhofer-Institut für Werkstoff- und Strahltechnik (IWS),Dresden, Germany
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Christoph Leyens

Institute of Materials Science, Technische Universität Dresden, Dresden, Germany. Fraunhofer-Institut für Werkstoff- und Strahltechnik (IWS), Dresden, Germany
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