Amorphous semiconductor and amorphous silicon photovoltaic device
Patent
·
OSTI ID:5583966
An amorphous silicon semiconductor of the general formula: a-Si(/sub 1/- /sub x/ - /sub y/ )C /sub x/ N /sub y/ containing hydrogen and/or fluorine is disclosed, which provides an amorphous silicon PIN junction photovoltaic device having an improved conversion efficiency when it is used as a P-type or N-type layer on the light impinging side of the PIN junction photovoltaic device. Also, the conversion efficiency of an amorphous silicon PIN junction photovoltaic device is improved by using a two-layer film structure of ITO and SnO/sub 2/ as a transparent electrode for the photovoltaic device, with the SnO/sub 2/ layer contacting the P or N layer. The improvement is particularly marked in the case of heterojunction photovoltaic devices.
- Assignee:
- Kanegafuchi Kagaku Kogyo Kabushiki Kaisha (Japan)
- Patent Number(s):
- US 4499331
- OSTI ID:
- 5583966
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
AMORPHOUS STATE
CHALCOGENIDES
CONVERSION
DIRECT ENERGY CONVERSION
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRICAL PROPERTIES
ELECTRODES
ENERGY CONVERSION
EQUIPMENT
FABRICATION
FILMS
HETEROJUNCTIONS
JUNCTIONS
MATERIALS
N-TYPE CONDUCTORS
OPACITY
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
P-N JUNCTIONS
P-TYPE CONDUCTORS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHOTOVOLTAIC CONVERSION
PHYSICAL PROPERTIES
SEMICONDUCTOR JUNCTIONS
SEMICONDUCTOR MATERIALS
SILICON COMPOUNDS
SILICON OXIDES
SILICON SOLAR CELLS
SOLAR CELLS
SOLAR EQUIPMENT
THIN FILMS
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
AMORPHOUS STATE
CHALCOGENIDES
CONVERSION
DIRECT ENERGY CONVERSION
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRICAL PROPERTIES
ELECTRODES
ENERGY CONVERSION
EQUIPMENT
FABRICATION
FILMS
HETEROJUNCTIONS
JUNCTIONS
MATERIALS
N-TYPE CONDUCTORS
OPACITY
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
P-N JUNCTIONS
P-TYPE CONDUCTORS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHOTOVOLTAIC CONVERSION
PHYSICAL PROPERTIES
SEMICONDUCTOR JUNCTIONS
SEMICONDUCTOR MATERIALS
SILICON COMPOUNDS
SILICON OXIDES
SILICON SOLAR CELLS
SOLAR CELLS
SOLAR EQUIPMENT
THIN FILMS