Processing and modeling issues for thin-film solar cell devices: Annual subcontract report, January 16, 1995 -- January 15, 1996
- Univ. of Delaware, Newark, DE (United States)
The overall mission of the Institute of Energy Conversion is the development of thin film photovoltaic cells, modules, and related manufacturing technology and the education of students and professionals in photovoltaic technology. The objectives of this four-year NREL subcontract are to advance the state of the art and the acceptance of thin film PV modules in the areas of improved technology for thin film deposition, device fabrication, and material and device characterization and modeling, relating to solar cells based on CuInSe{sub 2} and its alloys, on a-Si and its alloys, and on CdTe. In the area of CuInSe{sub 2} and its alloys, EEC researchers have produced CuIn{sub 1-x}GaxSe{sub 2} films by selenization of elemental and alloyed films with H{sub 2}Se and Se vapor and by a wide variety of process variations employing co-evaporation of the elements. Careful design, execution and analysis of these experiments has led to an improved understanding of the reaction chemistry involved, including estimations of the reaction rate constants. Investigation of device fabrication has also included studies of the processing of the Mo, US and ZnO deposition parameters and their influence on device properties. An indication of the success of these procedures was the fabrication of a 15% efficiency CuIn{sub 1-x}GaxSe{sub 2} solar cell.
- Research Organization:
- National Renewable Energy Lab., Golden, CO (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC36-83CH10093
- OSTI ID:
- 285481
- Report Number(s):
- NREL/TP--451-21602; ON: DE96013079
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
CADMIUM TELLURIDE SOLAR CELLS
CADMIUM TELLURIDES
COPPER SELENIDES
DEPOSITION
ELECTRIC POTENTIAL
FABRICATION
GALLIUM SELENIDES
INDIUM SELENIDES
MICROSTRUCTURE
PERFORMANCE
PHOTOVOLTAIC CELLS
PHOTOVOLTAICS
PROGRESS REPORT
QUANTUM EFFICIENCY
SILICON SOLAR CELLS
SOLAR CELLS
SOLAR ENERGY
TCO THIN FILMS
THIN FILM
THIN FILMS