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A Metal-Oxide Interconnection Layer for Polymer Tandem Solar Cells with an Inverted Architecture

Authors

  • Cheng-Hsuan Chou,

    1. Department of Materials Science and Engineering, University of California, Los Angeles, CA 90095, USA
    2. Phosphors Research Laboratory, Department of Applied Chemistry, National Chiao Tung University, Hsinchu 30050, Taiwan, Republic of China
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  • Wei Lek Kwan,

    1. Department of Materials Science and Engineering, University of California, Los Angeles, CA 90095, USA
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  • Ziruo Hong,

    1. Department of Materials Science and Engineering, University of California, Los Angeles, CA 90095, USA
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  • Li-Min Chen,

    1. Department of Materials Science and Engineering, University of California, Los Angeles, CA 90095, USA
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  • Yang Yang

    Corresponding author
    1. Department of Materials Science and Engineering, University of California, Los Angeles, CA 90095, USA
    • Department of Materials Science and Engineering, University of California, Los Angeles, CA 90095, USA.
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Abstract

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A metal-oxide-only interconnecting layer for application in inverted polymer tandem solar cells is reported. Good electrical and optical coupling of the two sub-cells is achieved by using a carefully-designed MoO3/Al/ZnO layer, which leads to a power coversion efficiency of 5.1%. Our results demonstrate that effective connection between polymer bulk heterojunctions can be realized by this facile metal-oxide interlayer.

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