Efficient Methano[70]fullerene/MDMO‐PPV Bulk Heterojunction Photovoltaic Cells

Martijn M. Wienk(Eindhoven University of Technology), Jan Kroon(Energy Research Centre of the Netherlands), Wiljan Verhees(Energy Research Centre of the Netherlands), Joop Knol(University of Groningen), Jan C. Hummelen(University of Groningen), Paul A. van Hal(Eindhoven University of Technology), René A. J. Janssen(Eindhoven University of Technology)
Angewandte Chemie International Edition
July 24, 2003
10.1002/anie.200351647
Cited by 1,177

Abstract

Owing to their increased absorption of light in the visible region, [70]fullerene derivatives provide a high photocurrent when incorporated as the electron acceptor in thin-film polymer photovoltaic cells. An incident-photon-to-current efficiency of 66 % is obtained when [70]PCBM (see picture) is used in combination with a poly(p-phenylene vinylene). These high currents originate from an ultrafast charge transfer that occurs upon photoexcitation of either the fullerene or the polymer. Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2002/2003/z51647_s.pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.

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