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Title
Polymer Photovoltaics with Alternating Copolymer/Fullerene Blends and Novel Device Architectures
Article in journal
Authors
Olle Inganäs, Fengling Zhang, Kristofer Tvingstedt, Lars Mattias Andersson, Stefan Hellstrom, Mats R. Andersson
Publication Year
2010
Source
Advanced Materials, 2010, (22)20, E100-E116
Link to Source (DOI)
10.1002/adma.200904407
Abstract
<p>The synthesis of novel conjugated polymers, designed for the purpose of photovoltaic energy conversion, and their properties in polymer/fullerene materials and photovoltaic devices are reviewed. Two families of main chain polymer donors, based on fluorene or phenylene and donor-acceptor-donor comonomers in alternating copolymers, are used to absorb the high-energy parts of the solar spectrum and to give high photovoltages in combinations with fullerene acceptors in devices. These materials are used in alternative photovoltaic device geometries with enhanced light incoupling to collect larger photocurrents or to enable tandem devices and enhance photovoltage.</p>