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Voltage controlling mechanisms in low resistivity silicon solar cells - A unified approach

Conference · · Conf. Rec. IEEE Photovoltaic Spec. Conf.; (United States)
OSTI ID:6075594
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An experimental technique capable of resolving the dark saturation current into its base and emitter components is used as the basis of an analysis in which the voltage limiting mechanisms were determined for a variety of high voltage, low resistivity silicon solar cells. The cells studied include the University of Florida hi-low emitter cell, the NASA and the COMSAT multi-step diffused cells, the Spire Corporation ion-implanted emitter cell, and the University of New South Wales MINMIS and MINP cells. The results proved to be, in general, at variance with prior expectations. Most surprising was the finding that the MINP and the MINMIS voltage improvements are due, to a considerable extent, to a previously unrecognized optimization of the base component of the saturation current. This result is substantiated by an independent analysis of the material used to fabricate these devices.
Research Organization:
National Aeronautics and Space Administration, Lewis Research Center, Cleveland, Ohio
OSTI ID:
6075594
Report Number(s):
CONF-840561-
Conference Information:
Journal Name: Conf. Rec. IEEE Photovoltaic Spec. Conf.; (United States)
Country of Publication:
United States
Language:
English

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Related Subjects

14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
CURRENT LIMITERS
CURRENTS
DIRECT ENERGY CONVERTERS
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
ELECTRICAL EQUIPMENT
ELECTRICAL PROPERTIES
ELEMENTS
EMISSIVITY
EQUIPMENT
FABRICATION
MATERIALS
OPTICAL PROPERTIES
OPTIMIZATION
PERFORMANCE TESTING
PHOTOCONDUCTIVITY
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
SATELLITES
SEMICONDUCTOR MATERIALS
SEMIMETALS
SILICON
SILICON SOLAR CELLS
SOLAR CELLS
SOLAR EQUIPMENT
SPACE FLIGHT
SURFACE PROPERTIES
TESTING