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Advanced Materials

A Facile Route to Polymer Solar Cells with Optimum Morphology Readily Applicable to a Roll-to-Roll Process without Sacrificing High Device Performances

Authors

  • Hui Joon Park,

    1. Macromolecular Science and Engineering, The University of Michigan, Ann Arbor, MI 48109 (USA)
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  • Myung-Gyu Kang,

    1. Department of Electrical Engineering and Computer Science, The University of Michigan, Ann Arbor, MI 48109 (USA)
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  • Se Hyun Ahn,

    1. Department of Mechanical Engineering, The University of Michigan, Ann Arbor, Michigan 48109 (USA)
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  • L. Jay Guo

    Corresponding author
    1. Macromolecular Science and Engineering, The University of Michigan, Ann Arbor, MI 48109 (USA)
    2. Department of Electrical Engineering and Computer Science, The University of Michigan, Ann Arbor, MI 48109 (USA)
    • Macromolecular Science and Engineering, The University of Michigan, Ann Arbor, MI 48109 (USA).
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Abstract

A new fabrication method for polymer solar cells that can produce optimized vertical distribution of components is reported. The favorable donor–acceptor morphology showing a well-organized photo-induced charge transporting pathway with fine nanodomains and high crystallinity is achieved. This process is also readily scalable to a large-area and high-speed roll-to-roll process without sacrificing high device performances, even without a PEDOT:PSS layer.

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