Thin film photovoltaic device
Patent
·
OSTI ID:864283
- Wilmington, DE
A thin film photovoltaic solar cell which utilizes a zinc phosphide semiconductor is of the homojunction type comprising an n-type conductivity region forming an electrical junction with a p-type region, both regions consisting essentially of the same semiconductor material. The n-type region is formed by treating zinc phosphide with an extrinsic dopant such as magnesium. The semiconductor is formed on a multilayer substrate which acts as an opaque contact. Various transparent contacts may be used, including a thin metal film of the same chemical composition as the n-type dopant or conductive oxides or metal grids.
- Research Organization:
- Solar Energy Research Institute
- DOE Contract Number:
- EG-77-C-01-4042
- Assignee:
- University of Delaware (Newark, DE)
- Patent Number(s):
- US 4342879
- OSTI ID:
- 864283
- Country of Publication:
- United States
- Language:
- English
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film
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solar
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semiconductor
homojunction
type
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n-type
conductivity
region
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electrical
junction
p-type
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consisting
essentially
material
formed
treating
extrinsic
dopant
magnesium
multilayer
substrate
opaque
contact
various
transparent
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conductive
oxides
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zinc phosphide
n-type dopant
metal film
chemical composition
conductive oxide
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photovoltaic device
film photovoltaic
p-type region
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multilayer substrate
type dopant
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/136/257/420/438/
photovoltaic
device
solar
cell
utilizes
zinc
phosphide
semiconductor
homojunction
type
comprising
n-type
conductivity
region
forming
electrical
junction
p-type
regions
consisting
essentially
material
formed
treating
extrinsic
dopant
magnesium
multilayer
substrate
opaque
contact
various
transparent
contacts
including
metal
chemical
composition
conductive
oxides
grids
zinc phosphide
n-type dopant
metal film
chemical composition
conductive oxide
consisting essentially
solar cell
semiconductor material
photovoltaic device
film photovoltaic
p-type region
photovoltaic solar
n-type region
metal grids
multilayer substrate
type dopant
type comprising
region forming
metal grid
electrical junction
/136/257/420/438/