On Electronic Structure Engineering and Thermoelectric Performance
Abstract
In this paper, we address the question of how to engineer the electronic structure to enhance the performance of a thermoelectric material. We examine several different materials and show that all of them, even those for which giant Seebeck coefficients have been predicted, display a value that is expected from conventional thermoelectric theory. For molecular thermoelectrics, we show that the detailed lineshape plays an important role. Finally, using III-V alloy semiconductors as a model system, we explore the role of electronic structure in the Seebeck coefficient, electrical conductivity, and power factor. In the process, some general guidelines for engineering the electronic component of thermoelectric performance are identified.
Keywords
Band-structure engineering; AlGaAs alloy; graphene; molecule; thermoelectric; MOBILITY
DOI
10.1007/s11664-011-1533-0
Citation
Jeong, C. & Lundstrom, M. Journal of Elec Materi (2011) 40: 738. doi:10.1007/s11664-011-1533-0
Date of this Version
5-2011
Recommended Citation
Jeong, Changwook and Lundstrom, Mark S., "On Electronic Structure Engineering and Thermoelectric Performance" (2011). Birck and NCN Publications. Paper 1012.
http://dx.doi.org/10.1007/s11664-011-1533-0