High-efficiency cadmium and zinc telluride based thin-film solar cells: Annual report, June 1, 1987--May 31, 1988
This report contains results of research on high-efficiency cadmium and zinc telluride based thin-film solar cells from June 1987 to May 1988. CdTe and CdZnTe and CdTe and CdMnTe films were grown on CdS/SnO/sub 2//glass substrates by molecular beam epitaxy and metal-organic chemical vapor deposition, respectively. As-grown films were characterized by x-ray diffraction, surface photovoltage spectroscopy, and infrared, Raman, and Auger electron spectroscopy, among others, for composition, bulk uniformity, thickness, and film and interface quality. Single-crystal films were grown simultaneously to understand the growth conditions of the polycrystalline films. Cell efficiencies ranging from 6.0% to 6.7% were achieved with the Cd/sub 0.95/Mn/sub 0.05/Te film employing the glass/SnO/sub 2//CdS/CdMnTe/ZnTe/Au front-wall solar cell structure. Cells fabricated by using CdZnTe films yielded efficiencies from 3.0% to 3.6%. 12 refs., 32 figs., 7 tabs.
- Research Organization:
- Solar Energy Research Inst. (SERI), Golden, CO (United States)
- DOE Contract Number:
- AC02-83CH10093
- OSTI ID:
- 6346802
- Report Number(s):
- SERI/STR-211-3451; ON: DE89000892
- Resource Relation:
- Other Information: Paper copy only, copy does not permit microfiche production
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CADMIUM TELLURIDE SOLAR CELLS
FABRICATION
CHEMICAL VAPOR DEPOSITION
CRYSTAL GROWTH
EFFICIENCY
PHOTOVOLTAIC CELLS
PROGRESS REPORT
SUBSTRATES
THIN FILMS
CHEMICAL COATING
DEPOSITION
DIRECT ENERGY CONVERTERS
DOCUMENT TYPES
EQUIPMENT
FILMS
PHOTOELECTRIC CELLS
SOLAR CELLS
SOLAR EQUIPMENT
SURFACE COATING
140501* - Solar Energy Conversion- Photovoltaic Conversion