Radiation resistance and comparative performance of ITO/InP and n/p InP homojunction solar cells
Conference
·
OSTI ID:5669698
The radiation resistance of ITO/InP cells processed by DC magnetron sputtering is compared to that of standard n/p InP and GaAs homojunction cells. After 20 MeV proton irradiations, it is found that the radiation resistance of the present ITO/InP cell is comparable to that of the n/p homojunction InP cell and that both InP cell types have radiation resistance significantly greater than GaAs. The relatively lower radiation resistance, observed at higher fluence, for the InP cell with the deepest junction depth, is attributed to losses in the cells emitter region. Diode parameters obtained from I sub sc - V sub oc plots, data from surface Raman spectroscopy, and determinations of surface conductivity types are used to investigate the configuration of the ITO/InP cells. It is concluded that thesee latter cells are n/p homojunctions, the n-region consisting of a disordered layer at the oxide semiconductor.
- Research Organization:
- National Aeronautics and Space Administration, Cleveland, OH (USA). Lewis Research Center
- OSTI ID:
- 5669698
- Report Number(s):
- N-89-12819; NASA-TM--101387; E--4447; NAS--1.15:101387; CONF-880965--
- 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
BEAMS
DATA
DIRECT ENERGY CONVERTERS
EQUIPMENT
EXPERIMENTAL DATA
GALLIUM ARSENIDE SOLAR CELLS
INDIUM PHOSPHIDE SOLAR CELLS
INFORMATION
LASER SPECTROSCOPY
NUCLEON BEAMS
NUMERICAL DATA
PARTICLE BEAMS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL RADIATION EFFECTS
PROTON BEAMS
RADIATION EFFECTS
RAMAN SPECTROSCOPY
SOLAR CELLS
SOLAR EQUIPMENT
SPECTROSCOPY
SPUTTERING
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
36 MATERIALS SCIENCE
360605 -- Materials-- Radiation Effects
BEAMS
DATA
DIRECT ENERGY CONVERTERS
EQUIPMENT
EXPERIMENTAL DATA
GALLIUM ARSENIDE SOLAR CELLS
INDIUM PHOSPHIDE SOLAR CELLS
INFORMATION
LASER SPECTROSCOPY
NUCLEON BEAMS
NUMERICAL DATA
PARTICLE BEAMS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL RADIATION EFFECTS
PROTON BEAMS
RADIATION EFFECTS
RAMAN SPECTROSCOPY
SOLAR CELLS
SOLAR EQUIPMENT
SPECTROSCOPY
SPUTTERING