SKM 2021 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 5: Poster Session I

CPP 5.3: Poster

Dienstag, 28. September 2021, 17:30–19:30, P

Measurement setup to characterize thermoelectric polymer thin films — •Simon Wegener1, Anna Lena Oechsle1, and Peter Müller-Buschbaum1,21TU München, Physik-Department, LS Funktionelle Materialien, James-Frank-Str. 1, 85748 Garching, Germany — 2Heinz Maier-Leibnitz Zentrum (MLZ), Technische Universität München, Lichtenbergstr. 1, 85748 Garching, Germany

The growing need to save fossil resources requires, besides their substitution, also their effective usage. This usage is mostly limited by the high amounts of wasted heat in the conversion from chemical energy to mechanical or electrical energy. Thermoelectric (TE) materials are a promising way to make use of this wasted energy. Particularly, they can be used in a wide range of applications to generate electricity. Nevertheless, these materials show lots of room for improvement in terms of their output power. Therefore, with our work, we aim to construct a setup, which focuses especially on the measurement of polymer-based TE materials for low-temperature applications. This setup consists of two mounting plates that can be heated or cooled individually to determine the Seebeck coefficient. Additionally, a van der Pauw measurement can be done to find the electrical conductivity of the sample. By this, the setup will enable the user to rapidly characterize samples by its TE power factor.

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