Reversible thermoelectric nanomaterials

Details Reversible thermoelectric nanomaterials Reversible thermoelectric nanomaterials

2004-07-20

arxiv.org/abs/cond-mat/0407509v1

Phys. Rev. Lett. Vol. 94 pg. 096601 (2005)

Physics

Condensed Matter

Statistical Mechanics

4 pages

Scientific paper

10.1103/PhysRevLett.94.096601

Irreversible effects in thermoelectric materials limit their efficiency and economy for applications in power generation and refrigeration. While electron transport is unavoidably irreversible in bulk materials, here we derive conditions under which reversible diffusive electron transport can be achieved in nanostructured thermoelectric materials via the same physical mechanism utilized in quantum optical heat engines. Our results may provide a physical explanation for the very high efficiencies recently reported for nanostructured thermoelectric materials such as quantum-dot superlattices.

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