Jump to main content
Jump to site search

Issue 6, 2011
Previous Article Next Article

High thermoelectric figure of merit in heavy hole dominated PbTe

Author affiliations

Abstract

Thermoelectric transport properties of p-type PbTe:Na, with high hole concentrations of approximately 1020 cm−3, are reinvestigated from room temperature to 750 K. The greatly enhanced Seebeck coefficient at these doping levels can be understood by the presence of a sharp increase in the density of states around the Fermi level. As a result, the thermoelectric figure of merit, zT, reaches ∼1.4 at 750 K. The influence of these heavy hole carriers may contribute to a similarly high zT observed in related p-type PbTe-based systems such as Tl-doped PbTe and nanostructured composite materials.

Graphical abstract: High thermoelectric figure of merit in heavy hole dominated PbTe

Back to tab navigation

Publication details

The article was received on 20 Sep 2010, accepted on 09 Dec 2010 and first published on 27 Jan 2011


Article type: Paper
DOI: 10.1039/C0EE00456A
Citation: Energy Environ. Sci., 2011,4, 2085-2089
  •   Request permissions

    High thermoelectric figure of merit in heavy hole dominated PbTe

    Y. Pei, A. LaLonde, S. Iwanaga and G. J. Snyder, Energy Environ. Sci., 2011, 4, 2085
    DOI: 10.1039/C0EE00456A

Search articles by author

Spotlight

Advertisements