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Dresden 2017 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 50: Poster: Organic Electronics and Photovoltaics, Molecular Excitations

CPP 50.7: Poster

Wednesday, March 22, 2017, 18:30–21:00, P3

Investigation of an n-type conducting polymer for potential use in all-polymer thermoelectric generators — •Regina Michaela Kluge, Nitin Saxena, and Peter Müller-Buschbaum — Technische Universität München, Physik-Department, LS Funktionelle Materialien, 85748 Garching, Germany

Thermoelectric generators pose a promising approach in renewable energies, as they are able to convert waste heat into electricity. In order to build high efficiency devices, suitable thermoelectric materials are needed. Unfortunately, state-of-the-art thermoelectric materials have the drawback of using toxic or less abundant constituents, making it necessary to look for alternatives. One promising approach is to use conjugated polymers. They have the encouraging ability of easy and various types of scalable solvent processes like roll-to-roll printing. Although they are still less efficient than their inorganic counterparts, their easy synthesis, flexibility and eco-friendliness make them a valuable alternative. For building a thermoelectric generator, p- and n-type materials have to be combined. However, in the past effort was focused on the electronic and thermal transport properties of p-type conjugated polymers. Therefore, we investigate the thermoelectric properties of an n-type polymer P(NDI2OD-T2). Its successful application to transistors and solar cells encourages an auspicious try to build an all-polymer thermoelectric generator.

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