Thin film CuInSe/sub 2//Cd(Zn)S heterojunction solar cell: characterization and modeling
Thesis/Dissertation
·
OSTI ID:6980750
The results of experimental measurements and characterization of high efficiency, thin film CuInSe/sub 2//Cd(Zn)S solar cells provided by Boeing are reported. These devices are produced by elemental evaporation; they have very high I/sub SC/ but lower than expected V/sub OC/ and FF. An automated, multi-purpose experimental station was developed which can carry out capacitance, current, spectral response measurements as a function of voltage, frequency, wavelength, light bias intensity and temperature. The device is modeled as a p-i-n heterojunction where the interface largely determines the device properties and transport. Long time constants of capacitance transients were observed as light or voltage bias was changed. From such transient data it is deduced that a bulk deep level hole trap exists in the selenide which has a density nearly the same as the free carrier density. It was also observed that the photocurrent is strongly bias dependent in violation of the superposition principle. It is shown, by using chopped light data of collection efficiency and the dark I-V, that the light diode can be fully explained on the basis of a voltage.
- Research Organization:
- Drexel Univ., Philadelphia, PA (USA)
- OSTI ID:
- 6980750
- Country of Publication:
- United States
- Language:
- English
Similar Records
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
CADMIUM COMPOUNDS
CADMIUM SULFIDE SOLAR CELLS
CHALCOGENIDES
COPPER COMPOUNDS
COPPER SELENIDE SOLAR CELLS
CURRENTS
DATA
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
EQUIPMENT
EXPERIMENTAL DATA
FILMS
FLUX DENSITY
HETEROJUNCTIONS
INDIUM COMPOUNDS
INDIUM SELENIDE SOLAR CELLS
INFORMATION
INTERFACES
JUNCTIONS
LIGHT SCATTERING
MATHEMATICAL MODELS
NUMERICAL DATA
PHOTOCURRENTS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
RADIANT FLUX DENSITY
SCATTERING
SELENIDES
SELENIUM COMPOUNDS
SEMICONDUCTOR JUNCTIONS
SOLAR CELLS
SOLAR EQUIPMENT
SULFIDES
SULFUR COMPOUNDS
TEMPERATURE DEPENDENCE
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
ZINC COMPOUNDS
ZINC SULFIDE SOLAR CELLS
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
CADMIUM COMPOUNDS
CADMIUM SULFIDE SOLAR CELLS
CHALCOGENIDES
COPPER COMPOUNDS
COPPER SELENIDE SOLAR CELLS
CURRENTS
DATA
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
EQUIPMENT
EXPERIMENTAL DATA
FILMS
FLUX DENSITY
HETEROJUNCTIONS
INDIUM COMPOUNDS
INDIUM SELENIDE SOLAR CELLS
INFORMATION
INTERFACES
JUNCTIONS
LIGHT SCATTERING
MATHEMATICAL MODELS
NUMERICAL DATA
PHOTOCURRENTS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
RADIANT FLUX DENSITY
SCATTERING
SELENIDES
SELENIUM COMPOUNDS
SEMICONDUCTOR JUNCTIONS
SOLAR CELLS
SOLAR EQUIPMENT
SULFIDES
SULFUR COMPOUNDS
TEMPERATURE DEPENDENCE
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
ZINC COMPOUNDS
ZINC SULFIDE SOLAR CELLS