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Development of a thin AlGaAs solar cell

Technical Report ·
OSTI ID:6126489
;
A process for fabricating thin AlGaAs solar cells suitable for use as the top cell in a mechanically stacked, cascade cell has been developed. Significant progress was achieved in optimization of the AlGaAs cell structure with one-sun efficiencies of 17% (AM1.5, 100 mW/cm/sup 2/) for 1.65-eV cells and efficiencies around 18% under concentration (200X to 800X) for 1.72-eV cells. Removal of the GaAs substrate had a very low yield, but new methods that should improve the yields have been identified.
Research Organization:
Varian Associates, Inc., Palo Alto, CA (USA). Device Lab.
DOE Contract Number:
AC04-76DP00789
OSTI ID:
6126489
Report Number(s):
SAND-86-7027; ON: DE86009544
Country of Publication:
United States
Language:
English

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Related Subjects

14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
ALUMINIUM ARSENIDES
ALUMINIUM COMPOUNDS
ARSENIC COMPOUNDS
ARSENIDES
CASCADE SOLAR CELLS
DESIGN
DIRECT ENERGY CONVERTERS
EQUIPMENT
FABRICATION
FILMS
GALLIUM ARSENIDE SOLAR CELLS
OPTIMIZATION
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PNICTIDES
SOLAR CELLS
SOLAR EQUIPMENT
TESTING
THIN FILMS