INTERMEDIATE BAND SOLAR CELL HAVING SOLUTION-PROCESSED COLLOIDAL QUANTUM DOTS AND METAL NANOPARTICLES
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United States of America Patent
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Issued Date -
Apr 18, 2013
app pub date -
Oct 10, 2012
filing date -
Oct 14, 2011
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Abandoned
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Abstract
The present invention relates to a solar cell and to a method of manufacturing thereof, the solar cell comprising: a layer of an n-doped semiconductor, a layer of a p-doped semiconductor and an intermediate band layer being disposed between the n-doped and the p-doped semiconductor layers, the intermediate band layer comprising: an amorphous semiconducting host material, a plurality of colloidal quantum dots embedded in the host material and substantially uniformly distributed therein, each quantum dot comprising a core surrounded by a shell, the shell comprising a material having a higher bandgap than that of the host material, and a plurality of metal nanoparticles embedded in the host material and located at least in a plane where a plurality of quantum dots are distributed.
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