Mg diffused zinc phosphide n/p junctions
Journal Article
·
· J. Appl. Phys.; (United States)
Heating a Mg/Zn/sub 3/P/sub 2/ Schottky solar cell in air results in the formation of an n/p junction due to the diffusion of Mg in Zn/sub 3/P/sub 2/. The cells are fabricated on large grain polycrystalline Zn/sub 3/P/sub 2/ wafers. The junction depth is determined from the change in the measured collection efficiency of the cell after heating and follows a (time)/sup 1/2/ dependence. The diffusion coefficient has been measured in the temperature range of 75--150 /sup 0/C. The short-circuit current and open-circuit voltage of the homojunction qualitatively follow the theoretical predictions. A diffusion voltage of 1.2 V and a maximum open-circuit voltage of 0.6 V have been achieved.
- Research Organization:
- Institute of Energy Conversion, University of Delaware, Newark, Delaware 19711
- OSTI ID:
- 5806562
- Journal Information:
- J. Appl. Phys.; (United States), Journal Name: J. Appl. Phys.; (United States) Vol. 53:1; ISSN JAPIA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420800* -- Engineering-- Electronic Circuits & Devices-- (-1989)
ALKALINE EARTH METALS
CHARGE COLLECTION
COMPARATIVE EVALUATIONS
CRYSTAL STRUCTURE
CRYSTALS
CURRENTS
DATA
DIFFUSION
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
ELEMENTS
EQUIPMENT
EXPERIMENTAL DATA
GRAIN SIZE
HEATING
INFORMATION
JUNCTIONS
MAGNESIUM
MATHEMATICAL MODELS
MEDIUM TEMPERATURE
METALS
MICROSTRUCTURE
NUMERICAL DATA
P-N JUNCTIONS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
POLYCRYSTALS
SCHOTTKY BARRIER SOLAR CELLS
SEMICONDUCTOR JUNCTIONS
SIZE
SOLAR CELLS
SOLAR EQUIPMENT
TIME DEPENDENCE
ZINC PHOSPHIDE SOLAR CELLS
420800* -- Engineering-- Electronic Circuits & Devices-- (-1989)
ALKALINE EARTH METALS
CHARGE COLLECTION
COMPARATIVE EVALUATIONS
CRYSTAL STRUCTURE
CRYSTALS
CURRENTS
DATA
DIFFUSION
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
ELEMENTS
EQUIPMENT
EXPERIMENTAL DATA
GRAIN SIZE
HEATING
INFORMATION
JUNCTIONS
MAGNESIUM
MATHEMATICAL MODELS
MEDIUM TEMPERATURE
METALS
MICROSTRUCTURE
NUMERICAL DATA
P-N JUNCTIONS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
POLYCRYSTALS
SCHOTTKY BARRIER SOLAR CELLS
SEMICONDUCTOR JUNCTIONS
SIZE
SOLAR CELLS
SOLAR EQUIPMENT
TIME DEPENDENCE
ZINC PHOSPHIDE SOLAR CELLS