Photon-enhanced thermionic emission solar cells based on Si, GaAs, and InP

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Abstract

Photovoltaic energy conversion at high temperatures can be realized with photon-enhanced-thermionic-emission (PETE) solar cells. This characteristic allows them to be combined in tandem with thermal concentrated solar power systems. The cathode, which absorbs photons and works as the emitter electrode, is a crucial component of the PETE device. We investigate the utilization of Si, GaAs, and InP as the cathode materials using numerical device models. Simulated absorber characteristics and device efficiencies are presented and discussed. Our simulations show that Si, GaAs, and InP are all promising materials for PETE solar cells, if surface recombination, electron affinities, and thermal stability of these materials can be optimized. GaAs and InP show higher efficiencies than Si due to their higher band gaps and strong photon absorption characteristics.
Original languageEnglish
Title of host publicationProceedings of the 29th European Photovoltaic Solar Energy Conference and Exhibition
Pages331-333
DOIs
Publication statusPublished - 2014
MoE publication typeB3 Non-refereed article in conference proceedings
Event29th European Photovoltaic Solar Energy Conference and Exhibition, EU PVSEC 2014 - Amsterdam, Netherlands
Duration: 22 Sep 201426 Sep 2014
Conference number: 29

Conference

Conference29th European Photovoltaic Solar Energy Conference and Exhibition, EU PVSEC 2014
Abbreviated titleEU PVSEC 2014
CountryNetherlands
CityAmsterdam
Period22/09/1426/09/14

Fingerprint

thermionic emission
solar cells
photons
cathodes
energy conversion
electron affinity
absorbers
emitters
thermal stability
electrodes
simulation

Keywords

  • photon enhanced thermionic emission
  • modelling
  • III-V semiconductors
  • silicon
  • apsorption

Cite this

Varpula, A., & Prunnila, M. (2014). Photon-enhanced thermionic emission solar cells based on Si, GaAs, and InP. In Proceedings of the 29th European Photovoltaic Solar Energy Conference and Exhibition (pp. 331-333) https://doi.org/10.4229/EUPVSEC20142014-1BV.7.62
Varpula, Aapo ; Prunnila, Mika. / Photon-enhanced thermionic emission solar cells based on Si, GaAs, and InP. Proceedings of the 29th European Photovoltaic Solar Energy Conference and Exhibition. 2014. pp. 331-333
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abstract = "Photovoltaic energy conversion at high temperatures can be realized with photon-enhanced-thermionic-emission (PETE) solar cells. This characteristic allows them to be combined in tandem with thermal concentrated solar power systems. The cathode, which absorbs photons and works as the emitter electrode, is a crucial component of the PETE device. We investigate the utilization of Si, GaAs, and InP as the cathode materials using numerical device models. Simulated absorber characteristics and device efficiencies are presented and discussed. Our simulations show that Si, GaAs, and InP are all promising materials for PETE solar cells, if surface recombination, electron affinities, and thermal stability of these materials can be optimized. GaAs and InP show higher efficiencies than Si due to their higher band gaps and strong photon absorption characteristics.",
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author = "Aapo Varpula and Mika Prunnila",
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Varpula, A & Prunnila, M 2014, Photon-enhanced thermionic emission solar cells based on Si, GaAs, and InP. in Proceedings of the 29th European Photovoltaic Solar Energy Conference and Exhibition. pp. 331-333, 29th European Photovoltaic Solar Energy Conference and Exhibition, EU PVSEC 2014, Amsterdam, Netherlands, 22/09/14. https://doi.org/10.4229/EUPVSEC20142014-1BV.7.62

Photon-enhanced thermionic emission solar cells based on Si, GaAs, and InP. / Varpula, Aapo; Prunnila, Mika.

Proceedings of the 29th European Photovoltaic Solar Energy Conference and Exhibition. 2014. p. 331-333.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

TY - GEN

T1 - Photon-enhanced thermionic emission solar cells based on Si, GaAs, and InP

AU - Varpula, Aapo

AU - Prunnila, Mika

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PY - 2014

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N2 - Photovoltaic energy conversion at high temperatures can be realized with photon-enhanced-thermionic-emission (PETE) solar cells. This characteristic allows them to be combined in tandem with thermal concentrated solar power systems. The cathode, which absorbs photons and works as the emitter electrode, is a crucial component of the PETE device. We investigate the utilization of Si, GaAs, and InP as the cathode materials using numerical device models. Simulated absorber characteristics and device efficiencies are presented and discussed. Our simulations show that Si, GaAs, and InP are all promising materials for PETE solar cells, if surface recombination, electron affinities, and thermal stability of these materials can be optimized. GaAs and InP show higher efficiencies than Si due to their higher band gaps and strong photon absorption characteristics.

AB - Photovoltaic energy conversion at high temperatures can be realized with photon-enhanced-thermionic-emission (PETE) solar cells. This characteristic allows them to be combined in tandem with thermal concentrated solar power systems. The cathode, which absorbs photons and works as the emitter electrode, is a crucial component of the PETE device. We investigate the utilization of Si, GaAs, and InP as the cathode materials using numerical device models. Simulated absorber characteristics and device efficiencies are presented and discussed. Our simulations show that Si, GaAs, and InP are all promising materials for PETE solar cells, if surface recombination, electron affinities, and thermal stability of these materials can be optimized. GaAs and InP show higher efficiencies than Si due to their higher band gaps and strong photon absorption characteristics.

KW - photon enhanced thermionic emission

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KW - apsorption

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DO - 10.4229/EUPVSEC20142014-1BV.7.62

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Varpula A, Prunnila M. Photon-enhanced thermionic emission solar cells based on Si, GaAs, and InP. In Proceedings of the 29th European Photovoltaic Solar Energy Conference and Exhibition. 2014. p. 331-333 https://doi.org/10.4229/EUPVSEC20142014-1BV.7.62