Thermodynamics of photon-enhanced thermionic emission solar cells

Kasper Reck, Ole Hansen

Research output: Contribution to journalJournal articleResearchpeer-review


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. ©
Original languageEnglish
JournalApplied Physics Letters
Issue number2
Pages (from-to)023902
Publication statusPublished - 2014

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