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Issue 48, 2012
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Modeling thermoelectric transport in organic materials

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Abstract

Thermoelectric energy converters can directly convert heat to electricity using semiconducting materials via the Seebeck effect and electricity to heat via the Peltier effect. Their efficiency depends on the dimensionless thermoelectric figure of merit of the material, which is defined as zT = S2σT/κ with S, σ, κ, and T being the Seebeck coefficient, electrical conductivity, thermal conductivity, and absolute temperature respectively. Organic materials for thermoelectric applications have attracted great attention. In this review, we present our recent progress made in developing theories and computational schemes to predict the thermoelectric figure of merit at the first-principles level. The methods have been applied to model thermoelectric transport in closely-packed molecular crystals and one-dimensional conducting polymer chains. The physical insight gained in these studies will help in the design of efficient organic thermoelectric materials.

Graphical abstract: Modeling thermoelectric transport in organic materials

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Article information


Submitted
03 Aug 2012
Accepted
06 Sep 2012
First published
06 Sep 2012

Phys. Chem. Chem. Phys., 2012,14, 16505-16520
Article type
Perspective

Modeling thermoelectric transport in organic materials

D. Wang, W. Shi, J. Chen, J. Xi and Z. Shuai, Phys. Chem. Chem. Phys., 2012, 14, 16505
DOI: 10.1039/C2CP42710A

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