Effect of chemical surface treatments on non-native (Bi/sub 2/O/sub 3/) GaAs metal-insulator-semiconductor solar cells
Journal Article
·
· J. Appl. Phys.; (United States)
GaAs metal-insulator-semiconductor solar cells with a physically deposited Bi/sub 2/O/sub 3/ interfacial layer have been investigated. The deposition techniques used in the study were electron beam and boat thermal evaporation. The cells fabricated with interfacial layers of Bi/sub 2/O/sub 3/ showed a substantial improvement in open-circuit voltage over cells made without the physically deposited oxide layer. An etch has been used which yields an irregular ''textured'' surface. Cells employing this surface had a higher short-circuit current than those made with smooth, polished surfaces. The open-circuit voltages of these textured cells were lower than those with smooth surfaces. Calculations of the dependence of open-circuit voltage on pinhole density are in agreement with these results since a rough surface has a greater probability of pinholes.
- Research Organization:
- Department of Electrical and Computer Engineering, Arizona State University, Tempe, Arizona 85281
- OSTI ID:
- 6377237
- Journal Information:
- J. Appl. Phys.; (United States), Journal Name: J. Appl. Phys.; (United States) Vol. 52:7; ISSN JAPIA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ARSENIC COMPOUNDS
ARSENIDES
BEAMS
BISMUTH COMPOUNDS
BISMUTH OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
COMPARATIVE EVALUATIONS
DATA
DIRECT ENERGY CONVERTERS
ELECTRICAL EQUIPMENT
ELECTRICAL INSULATORS
ELECTRON BEAMS
ELEMENTS
EQUIPMENT
ETCHING
EVAPORATION
GALLIUM ARSENIDE SOLAR CELLS
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
INFORMATION
INTERFACES
LAYERS
LEPTON BEAMS
MATERIALS
MATHEMATICAL MODELS
METALS
MIS SOLAR CELLS
OXIDES
OXYGEN COMPOUNDS
PARTICLE BEAMS
PHASE TRANSFORMATIONS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PNICTIDES
ROUGHNESS
SEMICONDUCTOR MATERIALS
SOLAR CELLS
SOLAR EQUIPMENT
SURFACE FINISHING
SURFACE PROPERTIES
SURFACE TREATMENTS
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ARSENIC COMPOUNDS
ARSENIDES
BEAMS
BISMUTH COMPOUNDS
BISMUTH OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
COMPARATIVE EVALUATIONS
DATA
DIRECT ENERGY CONVERTERS
ELECTRICAL EQUIPMENT
ELECTRICAL INSULATORS
ELECTRON BEAMS
ELEMENTS
EQUIPMENT
ETCHING
EVAPORATION
GALLIUM ARSENIDE SOLAR CELLS
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
INFORMATION
INTERFACES
LAYERS
LEPTON BEAMS
MATERIALS
MATHEMATICAL MODELS
METALS
MIS SOLAR CELLS
OXIDES
OXYGEN COMPOUNDS
PARTICLE BEAMS
PHASE TRANSFORMATIONS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PNICTIDES
ROUGHNESS
SEMICONDUCTOR MATERIALS
SOLAR CELLS
SOLAR EQUIPMENT
SURFACE FINISHING
SURFACE PROPERTIES
SURFACE TREATMENTS