2014
DOI: 10.1016/j.solmat.2013.11.008
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Space charge effects on the maximum efficiency and parametric design of a photon-enhanced thermionic solar cell

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Cited by 45 publications
(16 citation statements)
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“…Notably, a new emission mechanism that combines photoexcitation and thermal excitation, namely, photon-enhanced thermionic emission (PETE), has been proposed to describe results for Cs-coated p-type GaN [3]. Several theoretical studies have described possible applications of PETE in concentrated solar-thermionic energy conversion devices [4][5][6][7][8][9][10][11]. In a recent experimental study, photon-enhanced thermionic emission using a p-type GaAs/p-type AlGaAs heterojunction interface was explored [12], and the results indicated the spatial separation of photon absorption and electron emission in a PETE device.…”
mentioning
confidence: 99%
“…Notably, a new emission mechanism that combines photoexcitation and thermal excitation, namely, photon-enhanced thermionic emission (PETE), has been proposed to describe results for Cs-coated p-type GaN [3]. Several theoretical studies have described possible applications of PETE in concentrated solar-thermionic energy conversion devices [4][5][6][7][8][9][10][11]. In a recent experimental study, photon-enhanced thermionic emission using a p-type GaAs/p-type AlGaAs heterojunction interface was explored [12], and the results indicated the spatial separation of photon absorption and electron emission in a PETE device.…”
mentioning
confidence: 99%
“…Analysis of the NSC effect using this model for PETE converters has shown a sharp decline in efficiency as the gap size increases, similar to thermionic converters. At a sunlight concentration of 1000 and a cathode temperature of 1000 K, the predicted efficiency was about 24%, 19% and 15% for gaps of m 2 m, m 3 m, and m 4 m, respectively [33]. When assuming electron recycling in the cathode, the reflection of electrons by the NSC effect increases the conduction band population and increases the rate of electron emission, mitigating some of the decline in efficiency [34].…”
Section: Negative Space Chargementioning
confidence: 99%
“…• modelowanie i optymalizacja procesu PETE [7,8,9,10,11], • dobór materiałów elektrod konwertera [12,13.14,15], • poszukiwanie metod ograniczenia wpływu ładunku przestrzennego na pracę konwertera [16,17,18,19]. Tabela 1.…”
Section: Fotonowo Wzmocniona Termoemisja Elektronowaunclassified