Solar Cells: Inverted Polymer Solar Cells with Reduced Interface Recombination (Adv. Energy Mater. 11/2012)

Authors

  • Song Chen,

    1. Department of Materials Science and Engineering, University of Florida, Gainesville, Florida 32611, USA
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  • Cephas E. Small,

    1. Department of Materials Science and Engineering, University of Florida, Gainesville, Florida 32611, USA
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  • Chad M. Amb,

    1. The George and Josephine Butler Polymer Research Laboratory, Department of Chemistry, Center of Macromolecular Science and Engineering, University of Florida, Gainesville, Florida 32611, USA
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  • Jegadesan Subbiah,

    1. Department of Materials Science and Engineering, University of Florida, Gainesville, Florida 32611, USA
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  • Tzung-han Lai,

    1. Department of Materials Science and Engineering, University of Florida, Gainesville, Florida 32611, USA
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  • Sai-Wing Tsang,

    1. Department of Materials Science and Engineering, University of Florida, Gainesville, Florida 32611, USA
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  • Jesse R. Manders,

    1. Department of Materials Science and Engineering, University of Florida, Gainesville, Florida 32611, USA
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  • John R. Reynolds,

    Corresponding author
    1. School of Chemistry and Biochemistry, School of Materials Science and Engineering, Center for Organic Photonics and Electronics, Georgia Institute of Technology, Altanta, GA, 30332-0400, USA
    • School of Chemistry and Biochemistry, School of Materials Science and Engineering, Center for Organic Photonics and Electronics, Georgia Institute of Technology, Altanta, GA, 30332-0400, USA
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  • Franky So

    Corresponding author
    1. Department of Materials Science and Engineering, University of Florida, Gainesville, Florida 32611, USA
    • Department of Materials Science and Engineering, University of Florida, Gainesville, Florida 32611, USA.
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Abstract

original image

Due to intrinsic defects, zinc oxide nanoparticles may induce interfacial recombination when used as the electron extraction layer in an inverted polymer solar cell. On page 1333, Franky So, John R. Reynolds, and co-workers demonstrate that UV-ozone treatment is an effective way to passivate defects in ZnO NPs and reduce interface recombination in a polymer solar cell. As a result, the power conversion efficiency of inverted PDTGTPD: PC71BM cells is improved to 8.1%.

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