Modification of the σ-framework of [60]fullerene has been shown to be a new avenue toward n-type materials for bulk-heterojunction solar cells. This approach allowed distinct control of the LUMO level of the C(60)π-system and resulted in a clear improvement of an open-circuit voltage.
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http://dx.doi.org/10.1039/c1cc12406d | DOI Listing |
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