Superior radiation-resistant properties of InGaP/GaAs tandem solar cells
- Toyota Technological Institute 2-12-1 Hisakata, Tempaku, Nagoya 468 (Japan)
- Central Resource Laboratory, Japan Energy Company, Niizo-Minami, Toda, Saitama 335 (Japan)
The observation of minority-carrier injection-enhanced annealing of radiation damage to InGa{sub 0.5}P{sub 0.5}/GaAs tandem solar cells is reported. Radiation resistance of InGaP/GaAs tandem solar cells as is similar with GaAs-on-Ge cells have been confirmed with 1 MeV electron irradiations. Moreover, minority-carrier injection under light illumination and forward bias conditions is shown to enhance defect annealing in InGaP and to result in the recovery of InGaP/GaAs tandem solar cell properties. These results suggest that the InGaP/GaAs(/Ge) multijunction solar cells and InGaP-based devices have great potential for space applications. {copyright} {ital 1997 American Institute of Physics.}
- OSTI ID:
- 522548
- Journal Information:
- Applied Physics Letters, Vol. 70, Issue 12; Other Information: PBD: Mar 1997
- Country of Publication:
- United States
- Language:
- English
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