Advanced Materials

Nanostructuring and High Thermoelectric Efficiency in p-Type Ag(Pb1 – ySny)mSbTe2 + m


  • We thank Prof. S. D. Mahanti for useful discussions. The 200 kV Field Emission Gun Transmission Electron Microscope was acquired with an NSF grant (DMR-0079578) (MSU Center for Advanced Microscopy). Financial support from the Office of Naval Research (MURI program) is gratefully acknowledged. Supporting Information is available online from Wiley InterScience or from the author.


The p-type Ag(Pb1ySny)mSbTe2+m materials shown in the figure demonstrate promising thermoelectric properties that are controlled with the parameters y and m. They can reach a maximum figure of merit of ∼ 1.45 at 630 K. This surpasses the figure of merit of the present state-of-the-art p-type materials such as TAGS (1.2) and PbTe (0.8) at comparable temperatures.

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