Neutron damage effects in AlGaAs/GaAs solar cells. [Summary only]
Technical Report
·
OSTI ID:7176711
The AlGaAs/GaAs solar cells examined in the study were obtained from three sources. One set consisted of four layers of epitaxial material grown on n-type GaAs substrates by metal organic chemical vapor deposition (MOCVD). Following deposition of a thick n-type GaAs buffer layer, the p-type GaAs active layer is grown, followed by deposition of the AlGaAs window layer and a p/sup +/ GaAs contacting layer. The second set are also grown by MOCVD, but a top GaAs contacting layer is not used. The third set are fabricated by liquid phase epitaxy, and they do not have a top contacting layer. In addition to forward and reverse I-V characteristics and capacitance-reverse voltage measurements, quantum efficiency spectra were taken between 350 nm and 900 nm prior to and following fast neutron irradiation in the Sandia Pulsed Reactor (SPR II). (LEW)
- Research Organization:
- Sandia National Labs., Albuquerque, NM (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 7176711
- Report Number(s):
- SAND-84-0579C; CONF-840712-3; ON: DE84009448
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
440200 -- Radiation Effects on Instrument Components
Instruments
or Electronic Systems
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
BARYONS
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELEMENTARY PARTICLES
EQUIPMENT
FAST NEUTRONS
FERMIONS
GALLIUM ARSENIDE SOLAR CELLS
HADRONS
NEUTRONS
NUCLEONS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL RADIATION EFFECTS
QUANTUM EFFICIENCY
RADIATION EFFECTS
SOLAR CELLS
SOLAR EQUIPMENT
SPECTRAL RESPONSE
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
440200 -- Radiation Effects on Instrument Components
Instruments
or Electronic Systems
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
BARYONS
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELEMENTARY PARTICLES
EQUIPMENT
FAST NEUTRONS
FERMIONS
GALLIUM ARSENIDE SOLAR CELLS
HADRONS
NEUTRONS
NUCLEONS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL RADIATION EFFECTS
QUANTUM EFFICIENCY
RADIATION EFFECTS
SOLAR CELLS
SOLAR EQUIPMENT
SPECTRAL RESPONSE