Charge Separation at Self‐Assembled Nanostructured Bulk Interface in Block Copolymers

Stefan Lindner; Sven Hüttner; Arnaud Chiche; Mukundan Mukundan Thelakkat; Georg Krausch

doi:10.1002/anie.200503958

Abstract

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Proper percolation of charges in solar cells is possible with the self-assembled nanostructure of a block-copolymer film (see the TEM cross section of a solar cell). A photovoltaic device made from such a block copolymer exhibits a ten-times higher short circuit current and a considerably larger photovoltage than its polymer-blend analogue.

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