4.6 Article

Reaching optimal efficiencies using nanosized photoelectric devices

Journal

PHYSICAL REVIEW B
Volume 80, Issue 23, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.80.235122

Keywords

nanoelectronics; photoelectric devices; thermodynamics

Funding

  1. FNRS Belgium
  2. government of Luxembourg (Bourse de formation recherches)
  3. FWO-Vlaanderen

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We study the thermodynamic efficiency of a nanosized photoelectric device and show that at maximum power output, the efficiency is bounded from above by a result closely related to the Curzon-Ahlborn efficiency. We find that this upper bound can be attained in nanosized devices displaying strong coupling between the generated electron flux and the incoming photon flux from the sun.

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