INTRINSIC OXIDE BUFFER LAYERS FOR SOLAR CELLS
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United States of America Patent
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Issued Date -
Jul 4, 2013
app pub date -
Dec 26, 2012
filing date -
Dec 30, 2011
priority date (Note) -
Abandoned
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Abstract
A method of, and apparatus for, increasing the power output of the cell using one or more intrinsic oxide buffer layers to reduce extraneous optical absorption. The intrinsic oxide buffer layers can be, for example: (i) an undoped oxide film that is prepared without intentional doping, (ii) a compensated oxide layer that is prepared using compensating dopants to reduce the conductivity of the oxide film, which can be either undoped or doped, and/or (iii) a passivated oxide layer that is prepared using hydrogen or other atoms to improve the electronic properties of low conductivity oxide films.
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