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Thin film polycrystalline silicon solar cells. Final report, September 25, 1978-September 25, 1979

Technical Report ·
DOI:https://doi.org/10.2172/5556707· OSTI ID:5556707
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The main objective of this research program was to develop a new method of depositing thin polycrystalline silicon films, utilizing an energy beam, for producing solar cells capable of meeting the long range economic and performance objectives of DOE's National Photovoltaics program. The main task was divided into the following four sub-tasks: (1) investigation of the energy beam as a means for efficient, high-rate deposition of polysilicon films; (2) development of temporary, reusable substrates for polysilicon deposition; (3) subsequent grain enhancement of self-supporting thin silicon films through laser recrystallization; and (4) demonstration of at least 10% efficient solar cells fabricated on these grain enhanced silicon films. Progress is reported in detail. (WHK)
Research Organization:
Motorola, Inc., Phoenix, AZ (USA). Solar Energy Dept.
OSTI ID:
5556707
Report Number(s):
SAN-2207-T4
Country of Publication:
United States
Language:
English

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Related Subjects

14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
36 MATERIALS SCIENCE
360601 -- Other Materials-- Preparation & Manufacture
AUGER ELECTRON SPECTROSCOPY
COATINGS
COHERENT SCATTERING
CRYSTAL STRUCTURE
CRYSTALS
DEPOSITION
DIFFRACTION
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRON MICROSCOPY
ELECTRON SPECTROSCOPY
ELEMENTS
ENERGY BEAM DEPOSITION
ENERGY BEAM DEPOSITION FILMS
EQUIPMENT
EXPANSION
FABRICATION
FILMS
GRAIN SIZE
HEATING
LASER-RADIATION HEATING
LATTICE PARAMETERS
MICROSCOPY
MICROSTRUCTURE
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PLASMA HEATING
POLYCRYSTALS
RECRYSTALLIZATION
SCANNING ELECTRON MICROSCOPY
SCATTERING
SEMIMETALS
SILICON
SILICON SOLAR CELLS
SIZE
SOLAR CELLS
SOLAR EQUIPMENT
SPECTROSCOPY
SUBSTRATES
SURFACE COATING
THERMAL EXPANSION
X-RAY DIFFRACTION