High Thermoelectric Figure of Merit and Nanostructuring in Bulk p-type Na1−xPbmSbyTem+2

High Thermoelectric Figure of Merit and Nanostructuring in Bulk p-type Na1−xPbmSbyTem+2

Worthy of merit: The new class of nanostructured p‐type thermoelectrics Na1−xPbmSbyTem+2 is reported. The exceptionally high thermoelectric figures of merit ZT of these materials (see graph), which exceed those of the state‐of‐the‐art materials PbTe and (GeTe)1−x((Ag2Te)1−y(Sb2Te3)y)x (TAGS), derive...

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Veröffentlicht in:Angewandte Chemie International Edition 2006-06, Vol.45 (23), p.3835-3839
Hauptverfasser: Poudeu, Pierre F. P., D'Angelo, Jonathan, Downey, Adam D., Short, Jarrod L., Hogan, Timothy P., Kanatzidis, Mercouri G.
Format: Artikel
Sprache:eng
Schlagworte:
lead
nanostructures
semiconductors
tellurides
thermoelectric materials
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Zusammenfassung:Worthy of merit: The new class of nanostructured p‐type thermoelectrics Na1−xPbmSbyTem+2 is reported. The exceptionally high thermoelectric figures of merit ZT of these materials (see graph), which exceed those of the state‐of‐the‐art materials PbTe and (GeTe)1−x((Ag2Te)1−y(Sb2Te3)y)x (TAGS), derive from their very low lattice thermal conductivities.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200600865