Solar cell efficiencies through periodicity
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United States of America Patent
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Issued Date -
Oct 11, 2007
app pub date -
Apr 10, 2006
filing date -
Apr 10, 2006
priority date (Note) -
Abandoned
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Abstract
A solar cell includes a photovoltaic material region. The photovoltaic material region is covered by a uniform anti-reflection coating. A photonic crystal structure is positioned on the photovoltaic material region. The photonic crystal structure provides a medium to produce a plurality of spatial orientations of an incident light signal received by the solar cell so as to allow trapping of a selective frequency of incident light in the solar cell.
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