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Nanotechnology. 2011 Aug 5;22(31):315401. doi: 10.1088/0957-4484/22/31/315401. Epub 2011 Jul 5.

Increasing the efficiency of polymer solar cells by silicon nanowires.

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  • 1Institute of Photonic Technology, Jena, Germany.


Silicon nanowires have been introduced into P3HT:[60]PCBM solar cells, resulting in hybrid organic/inorganic solar cells. A cell efficiency of 4.2% has been achieved, which is a relative improvement of 10% compared to a reference cell produced without nanowires. This increase in cell performance is possibly due to an enhancement of the electron transport properties imposed by the silicon nanowires. In this paper, we present a novel approach for introducing the nanowires by mixing them into the polymer blend and subsequently coating the polymer/nanowire blend onto a substrate. This new onset may represent a viable pathway to producing nanowire-enhanced polymer solar cells in a reel to reel process.

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