REAR WIDE BAND GAP PASSIVATED PERC SOLAR CELLS
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United States of America Patent
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Issued Date -
Feb 18, 2016
app pub date -
Aug 13, 2015
filing date -
Aug 13, 2014
priority date (Note) -
Abandoned
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Abstract
A photovoltaic solar cell comprises a light absorbing layer of n-type crystalline silicon. An emitter layer is on the front side of the n-type crystalline silicon. A front passivation layer physically contacts the emitter layer. A front metal contact is on the front passivation layer and contacts the emitter layer. A back layer of wide bandgap semiconductor physically contacts a back side of the n-type crystalline silicon layer. A back metal contact physically contacts the wide bandgap semiconductor layer.
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