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Article

Ethylene-Octene-Copolymer with Embedded Carbon and Organic Conductive Nanostructures for Thermoelectric Applications

1
Centre of Polymer Systems, University Institute, Tomas Bata University, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
2
Faculty of Technology, Polymer Centre, Tomas Bata University, T.G.M. 275, 760 01 Zlin, Czech Republic
3
The Czech Academy of Sciences, Institute of Hydrodynamics, Pod Patankou 5, 166 12 Prague 6, Czech Republic
4
Department of Production Engineering, Faculty of Technology, Tomas Bata University in Zlin, T. G. Masaryk nam. 275, 762 72 Zlin, Czech Republic
*
Authors to whom correspondence should be addressed.
Polymers 2020, 12(6), 1316; https://doi.org/10.3390/polym12061316
Received: 7 May 2020 / Revised: 2 June 2020 / Accepted: 4 June 2020 / Published: 9 June 2020
(This article belongs to the Special Issue Polymer Processing and Surfaces)
Hybrid thermoelectric composites consisting of organic ethylene-octene-copolymer matrices (EOC) and embedded inorganic pristine and functionalized multiwalled carbon nanotubes, carbon nanofibers or organic polyaniline and polypyrrole particles were used to form conductive nanostructures with thermoelectric properties, which at the same time had sufficient strength, elasticity, and stability. Oxygen doping of carbon nanotubes increased the concentration of carboxyl and C–O functional groups on the nanotube surfaces and enhanced the thermoelectric power of the respective composites by up to 150%. A thermocouple assembled from EOC composites generated electric current by heat supplied with a mere short touch of the finger. A practical application of this thermocouple was provided by a self-powered vapor sensor, for operation of which an electric current in the range of microvolts sufficed, and was readily induced by (waste) heat. The heat-induced energy ensured the functioning of this novel sensor device, which converted chemical signals elicited by the presence of heptane vapors to the electrical domain through the resistance changes of the comprising EOC composites. View Full-Text
Keywords: ethylene-octene-copolymer; carbon nanotubes; carbon fibers; polyaniline; polypyrrole; thermoelectric composites ethylene-octene-copolymer; carbon nanotubes; carbon fibers; polyaniline; polypyrrole; thermoelectric composites
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MDPI and ACS Style

Slobodian, P.; Riha, P.; Olejnik, R.; Sedlacik, M. Ethylene-Octene-Copolymer with Embedded Carbon and Organic Conductive Nanostructures for Thermoelectric Applications. Polymers 2020, 12, 1316. https://doi.org/10.3390/polym12061316

AMA Style

Slobodian P, Riha P, Olejnik R, Sedlacik M. Ethylene-Octene-Copolymer with Embedded Carbon and Organic Conductive Nanostructures for Thermoelectric Applications. Polymers. 2020; 12(6):1316. https://doi.org/10.3390/polym12061316

Chicago/Turabian Style

Slobodian, Petr, Pavel Riha, Robert Olejnik, and Michal Sedlacik. 2020. "Ethylene-Octene-Copolymer with Embedded Carbon and Organic Conductive Nanostructures for Thermoelectric Applications" Polymers 12, no. 6: 1316. https://doi.org/10.3390/polym12061316

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