Lara Perrin, Ali Nourdine, Emilie Planes, Christian Carrot, Nicole Alberola and Lionel Flandin Fullerene-based processable polymers as plausible acceptors in photovoltaic applications Journal of Polymer Science Part B: Polymer Physics 51
The active layer in polymeric solar cells usually consists of a blend of polymer and fullerene molecules, which require solution deposition. To make the process more environmentally friendly and to reduce production costs, solventless processing methods would be advantageous. Here, a series of melt-processable fullerene-grafted polystyrenes are examined to determine optimal properties for use in solar cells. The tests show that polystyrene randomly grafted with 4–12 vol % of fullerene is most appropriate for use as the acceptor in organic photovoltaic cells.
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