SOLAR CELL WITH GRADATION IN DOPING IN THE WINDOW LAYER
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United States of America Patent
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app pub date -
Mar 15, 2013
filing date -
Sep 24, 2007
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Abandoned
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Abstract
A multijunction solar cell including a window layer with a gradation in doping from the region in the window layer adjacent to the emitter region to the region in the window layer adjacent to the surface layer overlying the window layer, so that minority carriers in the window layer experience an electric field which would tend to drive them in the direction of the emitter layer, thereby increasing the efficiency of the solar cell.
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