DLTS analysis and modeling of electron- and proton-irradiated (AlGa)As/GaAs multijunction solar cells. Final report, October 1985-October 1986
Technical Report
·
OSTI ID:6296815
A numerical model was developed to calculate the displacement defects, the damage constant of minority-carrier diffusion length, and the degradation of short-circuit current (I/sub sc/), open circuit voltage (V/sub oc/) and conversion efficiency (eta/sub c/) in the 1-MeV electron- and proton-irradiated AlGaAs/GaAs/InGaAs multijunction solar cell under normal incidence conditions. The results show good agreement between calculated values and the experimental data of I/sub sc/, V/sub oc/ and eta/sub c/. In addition, DLTS analysis of defects in AlGaAs p-n junction solar cells irradiated by 1-MeV electrons has also been carried out in this work. The I-V analysis on several MOCVD-grown Ge/GaAs tunnel junction diodes has also been made in this study.
- Research Organization:
- Florida Univ., Gainesville (USA). Dept. of Electrical Engineering
- OSTI ID:
- 6296815
- Report Number(s):
- AD-A-180234/7/XAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501 -- Solar Energy Conversion-- Photovoltaic Conversion
36 MATERIALS SCIENCE
360605* -- Materials-- Radiation Effects
ALUMINIUM ARSENIDE SOLAR CELLS
ARSENIC COMPOUNDS
ARSENIDES
CHARGE CARRIERS
DAMAGE
DEEP LEVEL TRANSIENT SPECTROSCOPY
DIFFUSION
DIMENSIONS
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELEMENTS
EQUIPMENT
GALLIUM ARSENIDE SOLAR CELLS
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
GERMANIUM
JUNCTIONS
LENGTH
MATHEMATICAL MODELS
METALS
P-N JUNCTIONS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL RADIATION EFFECTS
PNICTIDES
RADIATION EFFECTS
SEMICONDUCTOR JUNCTIONS
SOLAR CELLS
SOLAR EQUIPMENT
SPECTROSCOPY
TRANSIENTS
140501 -- Solar Energy Conversion-- Photovoltaic Conversion
36 MATERIALS SCIENCE
360605* -- Materials-- Radiation Effects
ALUMINIUM ARSENIDE SOLAR CELLS
ARSENIC COMPOUNDS
ARSENIDES
CHARGE CARRIERS
DAMAGE
DEEP LEVEL TRANSIENT SPECTROSCOPY
DIFFUSION
DIMENSIONS
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELEMENTS
EQUIPMENT
GALLIUM ARSENIDE SOLAR CELLS
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
GERMANIUM
JUNCTIONS
LENGTH
MATHEMATICAL MODELS
METALS
P-N JUNCTIONS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL RADIATION EFFECTS
PNICTIDES
RADIATION EFFECTS
SEMICONDUCTOR JUNCTIONS
SOLAR CELLS
SOLAR EQUIPMENT
SPECTROSCOPY
TRANSIENTS