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Title: Thermodynamics of photon-enhanced thermionic emission solar cells

Photon-enhanced thermionic emission (PETE) cells in which direct photon energy as well as thermal energy can be harvested have recently been suggested as a new candidate for high efficiency solar cells. Here, we present an analytic thermodynamical model for evaluation of the efficiency of PETE solar cells including an analysis of the entropy production due to thermionic emission of general validity. The model is applied to find the maximum efficiency of a PETE cell for given cathode and anode work functions and temperatures.
Authors:
 [1] ;  [1] ;  [2]
  1. Department of Micro- and Nanotechnology, Technical University of Denmark, DTU Nanotech Building 345E, Kgs. Lyngby 2800 (Denmark)
  2. (Denmark)
Publication Date:
OSTI Identifier:
22275695
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 104; Journal Issue: 2; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; EFFICIENCY; ENTROPY; PHOTONS; SOLAR CELLS; THERMIONIC EMISSION; THERMODYNAMICS; WORK FUNCTIONS