APPARATUS AND METHODS TO PRODUCE ELECTRICAL ENERGY BY ENHANCED DOWN-CONVERSION OF PHOTONS
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United States of America Patent
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Issued Date -
Apr 2, 2009
app pub date -
Oct 1, 2008
filing date -
Oct 1, 2007
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Abstract
The apparatus and methods of the present disclosure in a broad aspect provide novel devices for producing electricity from light. These apparatus include at least one photon-absorbing semiconductor material, at least one cover layer located above the at least one photon-absorbing material, and a down-conversion material interposed between at least two opposing reflective coatings. The reflective coatings enhance down-conversion of photons to lower energy photons which pass through cover layers to be used by a photon-absorbing semiconductor layer to produce electricity.
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