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Measuring thermoelectric transport properties of materials

Abstract : In this review we discuss considerations regarding the common techniques used for measuring thermoelectric transport properties necessary for calculating the thermoelectric figure of merit, zT. Advice for improving the data quality in Seebeck coefficient, electrical resistivity, and thermal conductivity (from flash diffusivity and heat capacity) measurements are given together with methods for identifying possible erroneous data. Measurement of the Hall coefficient and calculation of the charge carrier concentration and mobility is also included due to its importance for understanding materials. It is not intended to be a complete record or comparison of all the different techniques employed in thermoelectrics. Rather, by providing an overview of common techniques and their inherent difficulties it is an aid to new researchers or students in the field. The focus is mainly on high temperature measurements but low temperature techniques are also briefly discussed. © 2015 The Royal Society of Chemistry.
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Submitted on : Monday, July 15, 2019 - 6:03:54 PM
Last modification on : Friday, September 20, 2019 - 5:16:01 PM

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K.A. Borup, J. de Boor, H. Wang, F. Drymiotis, F. Gascoin, et al.. Measuring thermoelectric transport properties of materials. Energy and Environmental Science, 2015, 8 (2), pp.423-435. ⟨10.1039/c4ee01320d⟩. ⟨hal-02184099⟩



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