Chapter 10

Measurement Techniques of Thermoelectric-related Performance

Jiamin Ding

Jiamin Ding

Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, 100190 China

University of Chinese Academy of Sciences, School of Chemical Sciences, Beijing, 100049 China

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Zhiyi Li

Zhiyi Li

Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, 100190 China

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Fengjiao Zhang

Fengjiao Zhang

University of Chinese Academy of Sciences, School of Chemical Sciences, Beijing, 100049 China

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Ye Zou

Ye Zou

Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, 100190 China

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Chong-an Di

Chong-an Di

Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, 100190 China

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First published: 04 November 2022

Summary

Accurate measurement of key parameters is essential for correctly evaluating performance of organic thermoelectric (OTE) materials. In this chapter, we systematically introduce the measurement principles, methods, and error analysis of the key parameters, namely, the electrical conductivity, Seebeck coefficient, and thermal conductivity of OTE materials and devices. Of particular note, we highlight the importance of simultaneously measuring the three key parameters for an accurate evaluation of TE performance. In addition, the characterization methods of the carrier concentration and electronic structure are introduced, because they play a key role in determining TE parameters. Finally, key aspects for future development of measuring technology in OTE materials are put forward.

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