Enhancement of Thermoelectric Efficiency in PbTe by Distortion of the Electronic Density of States

@article{Heremans2008EnhancementOT,
  title={Enhancement of Thermoelectric Efficiency in PbTe by Distortion of the Electronic Density of States},
  author={J. Heremans and V. Jovovic and E. Toberer and A. Saramat and K. Kurosaki and Anek Charoenphakdee and S. Yamanaka and G. J. Snyder},
  journal={Science},
  year={2008},
  volume={321},
  pages={554 - 557}
}
The efficiency of thermoelectric energy converters is limited by the material thermoelectric figure of merit (zT). The recent advances in zT based on nanostructures limiting the phonon heat conduction is nearing a fundamental limit: The thermal conductivity cannot be reduced below the amorphous limit. We explored enhancing the Seebeck coefficient through a distortion of the electronic density of states and report a successful implementation through the use of the thallium impurity levels in… Expand
Size- effect induced high thermoelectric figure of merit in PbSe and PbTe nanowires.
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