Transparent conducting thin films for spacecraft applications
Conference
·
OSTI ID:5173660
Transparent conductive thin films are required for a variety of optoelectronic applications: automotive and aircraft windows, and solar cells for space applications. Transparent conductive coatings of indium-tin-oxide (ITO)-magnesium fluoride (MgF2) and aluminum doped zinc oxide (AZO) at several dopant levels are investigated for electrical resistivity (sheet resistance), carrier concentration, optical properties, and atomic oxygen durability. The sheet resistance values of ITO-MgF2 range from 10[sup 2] to 10[sup 11] ohms/square, with transmittance of 75 to 86 percent. The AZO films sheet resistances range from 10[sup 7] to 10[sup 11] ohms/square with transmittances from 84 to 91 percent. It was found that in general, with respect to the optical properties, the zinc oxide (ZnO), AZO, and the high MgF2 content ITO-MgF2 samples, were all durable to atomic oxygen plasma, while the low MgF2 content of ITO-MgF2 samples were not durable to atomic oxygen plasma exposure.
- Research Organization:
- National Aeronautics and Space Administration, Cleveland, OH (United States). Lewis Research Center
- OSTI ID:
- 5173660
- Report Number(s):
- N-94-23370; NASA-TM--106466; E--8332; NAS--1.15:106466; AIAA-Paper--94-0375; CONF-940152--; CNN: NCC3-19; RTOP 506-41-41
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ALKALINE EARTH METAL COMPOUNDS
CHALCOGENIDES
COATINGS
DIRECT ENERGY CONVERTERS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EQUIPMENT
FILMS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
INDIUM COMPOUNDS
INDIUM OXIDES
MAGNESIUM COMPOUNDS
MAGNESIUM FLUORIDES
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
PROTECTIVE COATINGS
SOLAR CELLS
SOLAR EQUIPMENT
THIN FILMS
TIN COMPOUNDS
TIN OXIDES
ZINC COMPOUNDS
ZINC OXIDES
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ALKALINE EARTH METAL COMPOUNDS
CHALCOGENIDES
COATINGS
DIRECT ENERGY CONVERTERS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EQUIPMENT
FILMS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
INDIUM COMPOUNDS
INDIUM OXIDES
MAGNESIUM COMPOUNDS
MAGNESIUM FLUORIDES
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
PROTECTIVE COATINGS
SOLAR CELLS
SOLAR EQUIPMENT
THIN FILMS
TIN COMPOUNDS
TIN OXIDES
ZINC COMPOUNDS
ZINC OXIDES