Radiation-resistance analysis of GaAs and InGaP sub cells for InGaP/GaAs/Ge 3-junction space solar cells

M. Yamaguchi, T. Sasaki, Haeseok Lee, C. Morioka, N. J. Ekins-Daukes, M. Imaizumi, T. Takamoto, T. Ohshima

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Recently, InGaP/GaAs/Ge 3-junction solar cells are widely used for space because of their higher conversion efficiency and better radiation-resistance compared to GaAs and Si solar cells. In this study, effects of base carrier concentration in GaAs and InGaP sub-cells upon their radiation resistance are analyzed by using radiative recombination lifetime and damage constant K for minority-carrier lifetime of GaAs and InGaP. In addition, analytical results are also compared with the experimental results of InGaP solar cells irradiated with 1-MeV electrons, 30-keV and 200-keV protons. In low irradiation fluence, n-on-p structure cells are found to be more radiation resistant than p-on-n structure cells. Better radiation-resistance of sub-cells can be realized by optimal design based on fundamental approach for radiative and non-radiative recombination properties of InGaP and radiation-resistance of InGaP/GaAs/Ge 3-junction cells will also be improved by optimal design of sub cells.

Original languageEnglish
Title of host publication33rd IEEE Photovoltaic Specialists Conference, PVSC 2008
DOIs
Publication statusPublished - 2008 Dec 1
Externally publishedYes
Event33rd IEEE Photovoltaic Specialists Conference, PVSC 2008 - San Diego, CA, United States
Duration: 2008 May 112008 May 16

Publication series

NameConference Record of the IEEE Photovoltaic Specialists Conference
ISSN (Print)0160-8371

Other

Other33rd IEEE Photovoltaic Specialists Conference, PVSC 2008
CountryUnited States
CitySan Diego, CA
Period08/5/1108/5/16

Fingerprint

Solar cells
Radiation
Carrier lifetime
Conversion efficiency
Carrier concentration
Protons
Irradiation
Electrons
Optimal design

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

Yamaguchi, M., Sasaki, T., Lee, H., Morioka, C., Ekins-Daukes, N. J., Imaizumi, M., ... Ohshima, T. (2008). Radiation-resistance analysis of GaAs and InGaP sub cells for InGaP/GaAs/Ge 3-junction space solar cells. In 33rd IEEE Photovoltaic Specialists Conference, PVSC 2008 [4922716] (Conference Record of the IEEE Photovoltaic Specialists Conference). https://doi.org/10.1109/PVSC.2008.4922716

Radiation-resistance analysis of GaAs and InGaP sub cells for InGaP/GaAs/Ge 3-junction space solar cells. / Yamaguchi, M.; Sasaki, T.; Lee, Haeseok; Morioka, C.; Ekins-Daukes, N. J.; Imaizumi, M.; Takamoto, T.; Ohshima, T.

33rd IEEE Photovoltaic Specialists Conference, PVSC 2008. 2008. 4922716 (Conference Record of the IEEE Photovoltaic Specialists Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yamaguchi, M, Sasaki, T, Lee, H, Morioka, C, Ekins-Daukes, NJ, Imaizumi, M, Takamoto, T & Ohshima, T 2008, Radiation-resistance analysis of GaAs and InGaP sub cells for InGaP/GaAs/Ge 3-junction space solar cells. in 33rd IEEE Photovoltaic Specialists Conference, PVSC 2008., 4922716, Conference Record of the IEEE Photovoltaic Specialists Conference, 33rd IEEE Photovoltaic Specialists Conference, PVSC 2008, San Diego, CA, United States, 08/5/11. https://doi.org/10.1109/PVSC.2008.4922716
Yamaguchi M, Sasaki T, Lee H, Morioka C, Ekins-Daukes NJ, Imaizumi M et al. Radiation-resistance analysis of GaAs and InGaP sub cells for InGaP/GaAs/Ge 3-junction space solar cells. In 33rd IEEE Photovoltaic Specialists Conference, PVSC 2008. 2008. 4922716. (Conference Record of the IEEE Photovoltaic Specialists Conference). https://doi.org/10.1109/PVSC.2008.4922716
Yamaguchi, M. ; Sasaki, T. ; Lee, Haeseok ; Morioka, C. ; Ekins-Daukes, N. J. ; Imaizumi, M. ; Takamoto, T. ; Ohshima, T. / Radiation-resistance analysis of GaAs and InGaP sub cells for InGaP/GaAs/Ge 3-junction space solar cells. 33rd IEEE Photovoltaic Specialists Conference, PVSC 2008. 2008. (Conference Record of the IEEE Photovoltaic Specialists Conference).
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AU - Morioka, C.

AU - Ekins-Daukes, N. J.

AU - Imaizumi, M.

AU - Takamoto, T.

AU - Ohshima, T.

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