Evaluating the potential for high thermoelectric efficiency of silver selenide

Tristan Day, Fivos Drymiotis, Tiansong Zhang, Daniel Rhodes, Xun Shi, Lidong Chen, G. Jeffrey Snyder*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

88 Scopus citations


Measurements and modeling of electronic transport properties of n-type Ag2+xSe suggest that this material could have a thermoelectric figure of merit zT greater than 1 at 300 K and above. The exceptional performance can be traced to the exceptionally high mobility, higher than other optimized thermoelectric materials. Although zT decreases at high temperature because of a transition to a phase with high carrier concentration, our model indicates that reducing the carrier concentration will lead to high thermoelectric performance at room temperature for cooling applications as well as up to 600 K for waste heat recovery.

Original languageEnglish (US)
Pages (from-to)7568-7573
Number of pages6
JournalJournal of Materials Chemistry C
Issue number45
StatePublished - Dec 7 2013

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry


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