Concept study for a high-efficiency nanowire-based thermoelectric

Details Concept study for a high-efficiency nanowire-based thermoelectric Concept study for a high-efficiency nanowire-based thermoelectric

2006-01-06

arxiv.org/abs/cond-mat/0601110v1

Physics

Condensed Matter

Materials Science

Scientific paper

10.1088/0957-4484/17/11/S18

Materials capable of highly efficient, direct thermal-to-electric energy conversion would have substantial economic potential. Theory predicts that thermoelectric efficiencies approaching the Carnot limit can be achieved at low temperatures in one-dimensional conductors that contain an energy filter such as a double-barrier resonant tunneling structure. The recent advances in growth techniques suggest that such devices can now be realized in heterostructured, semiconductor nanowires. Here we propose specific structural parameters for InAs/InP nanowires that may allow the experimental observation of near-Carnot efficient thermoelectric energy conversion in a single nanowire at low temperature.

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