INVERTED POLYMER SOLAR CELL USING A DOUBLE INTERLAYER
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United States of America Patent
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Issued Date -
Jan 10, 2013
app pub date -
Jun 26, 2012
filing date -
Jul 8, 2011
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Abandoned
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Abstract
A polymer based solar cell having an inverted geometry includes a transparent cathode and a double interlayer that has a hole extracting layer and a hole transport/electron blocking layer situated between an active layer, for example, a bulk heterojunction (BHJ) layer, and an anode. The inverted solar cells according to embodiments of the invention display significant efficiency improvements over polymer based solar cells that do not have the inverted geometry and lack the double interlayer.
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