Thermoelectric transport in indium and aluminum-doped lead selenide
Journal Article
·
· Journal of Applied Physics
- The Ohio State Univ., Columbus, OH (United States)
We present galvanomagnetic and thermomagnetic properties of bulk PbSe doped by substituting the donor elements In and Al for Pb. Although prominent resonant level effects are not seen, lightly doped samples display a high thermoelectric figure of merit ($zT$) in excess of 1.2 at 600 K, a temperature corresponding well to automotive waste heat recovery applications. This material's high $zT$ is achieved without the use of nanostructuring or the relatively rare element Te. Phonon drag contributions to thermopower appear at temperatures below 30 K in Al-doped samples.
- Research Organization:
- Energy Frontier Research Centers (EFRC) (United States). Revolutionary Materials for Solid State Energy Conversion (RMSSEC)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- SC0001054
- OSTI ID:
- 1386794
- Alternate ID(s):
- OSTI ID: 22278157
OSTI ID: 1161834
- Journal Information:
- Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 5 Vol. 115; ISSN 0021-8979
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
charge transport
materials and chemistry by design
mechanical behavior
phonons
solar (thermal)
synthesis (novel materials)
synthesis (scalable processing)
synthesis (self-assembly)
thermal conductivity
thermoelectric
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
charge transport
materials and chemistry by design
mechanical behavior
phonons
solar (thermal)
synthesis (novel materials)
synthesis (scalable processing)
synthesis (self-assembly)
thermal conductivity
thermoelectric