NDLI: Evaluation of the electrical characteristics of III-V compounds solar cells irradiated with protons at low temperature

Content Provider	IEEE Xplore Digital Library
Author	Ohshima, T. Sumita, T. Imaizumi, M. Kawakita, S. Shimazaki, K.
Copyright Year	2005
Description	Author affiliation: Japan Atomic Energy Res. Inst., Gunma, Japan (Ohshima, T.)
Abstract	Triple-junction (3J) solar cells designed for space applications were irradiated with protons at 10 MeV at 175 K. The electrical performance of the 3J-junction solar cells was measured in situ under AM0 illumination at low temperature. The electrical performance of the solar cells decreases with increasing proton fluence, and at a proton fluence of 1/spl times/10/sup 13//cm/sup 2/, I/sub sc/ and V/sub oc/ become approximately 87 and 80% of the values before irradiation, respectively, indicating higher radiation resistance compared to Si solar cells. No significant difference in the degradation behavior of the electrical performance is observed between low temperature and RT irradiations. The influences of light illumination and current injection on the electrical characteristics were studied at low temperatures to minimize thermal annealing effect. For light illumination, the change in the electrical characteristics of 3J solar cells under AM0 illumination was investigated at 175 K. The electrical performance does not change by AM0 illumination for 370 min. On the other hand, using current injection at 155 K, a significant recovery of the electrical performance of 3J solar cells irradiated with protons is observed. At current injection times of 4500 sec, a 10 % recovery of I/sub sc/ and V/sub oc/ compared to the values after irradiation at 3/spl times/10/sup 13//cm/sup 2/ is shown.
Sponsorship	IEEE Electron Devices Soc. (USA)
Starting Page	806
Ending Page	809
File Size	710024
Page Count	4
File Format	PDF
ISBN	0780387074
ISSN	01608371
DOI	10.1109/PVSC.2005.1488255
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-01-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electric variables III-V semiconductor materials Photovoltaic cells Protons Temperature Lighting Extraterrestrial measurements Electric variables measurement Electric resistance Thermal degradation
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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