Broadband Metamaterial Absorbers
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
Dec 19, 2013
filing date -
Dec 19, 2012
priority date (Note) -
Abandoned
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Abstract
Broadband metamaterial absorbers are disclosed. In some embodiments, a photovoltaic cell includes a light absorbing layer capable of absorbing solar energy and converting the absorbed energy into electrical current; a perforated conductive film disposed on a light absorbing surface of the light absorbing layer, the conductive film being configured to increase light absorption in the light absorbing layer; and a rear electrode disposed on a surface of the absorbing layer opposite to the light absorbing surface of the light absorbing layer, wherein the rear electrode and the conductive film are in electrical communication with the absorbing layer to collect electrical current generated in the light absorbing material.
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