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Graphene-On-Silicon Schottky Junction Solar Cells

Authors

  • Xinming Li,

    1. Key Laboratory for Advanced Manufacturing by Material Processing Technology and Department of Mechanical Engineering, Tsinghua University, Beijing 100084 (P. R. China)
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  • Hongwei Zhu,

    Corresponding author
    1. Key Laboratory for Advanced Manufacturing by Material Processing Technology and Department of Mechanical Engineering, Tsinghua University, Beijing 100084 (P. R. China)
    • Key Laboratory for Advanced Manufacturing by Material Processing Technology and Department of Mechanical Engineering, Tsinghua University, Beijing 100084 (P. R. China).
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  • Kunlin Wang,

    Corresponding author
    1. Key Laboratory for Advanced Manufacturing by Material Processing Technology and Department of Mechanical Engineering, Tsinghua University, Beijing 100084 (P. R. China)
    • Key Laboratory for Advanced Manufacturing by Material Processing Technology and Department of Mechanical Engineering, Tsinghua University, Beijing 100084 (P. R. China).
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  • Anyuan Cao,

    1. Department of Advanced Materials and Nanotechnology, College of Engineering, Peking University, Beijing 100871 (P. R. China)
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  • Jinquan Wei,

    1. Key Laboratory for Advanced Manufacturing by Material Processing Technology and Department of Mechanical Engineering, Tsinghua University, Beijing 100084 (P. R. China)
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  • Chunyan Li,

    1. Key Laboratory for Advanced Manufacturing by Material Processing Technology and Department of Mechanical Engineering, Tsinghua University, Beijing 100084 (P. R. China)
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  • Yi Jia,

    1. Key Laboratory for Advanced Manufacturing by Material Processing Technology and Department of Mechanical Engineering, Tsinghua University, Beijing 100084 (P. R. China)
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  • Zhen Li,

    1. Key Laboratory for Advanced Manufacturing by Material Processing Technology and Department of Mechanical Engineering, Tsinghua University, Beijing 100084 (P. R. China)
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  • Xiao Li,

    1. Key Laboratory for Advanced Manufacturing by Material Processing Technology and Department of Mechanical Engineering, Tsinghua University, Beijing 100084 (P. R. China)
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  • Dehai Wu

    1. Key Laboratory for Advanced Manufacturing by Material Processing Technology and Department of Mechanical Engineering, Tsinghua University, Beijing 100084 (P. R. China)
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Abstract

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Highly conductive semitransparent graphene sheets are combined with an n-type silicon (n-Si) wafer to fabricate solar cells with power conversion efficiencies up to 1.5% at AM 1.5 and an illumination intensity of 100 mW cm−2. The Schottky junction solar cells can be extended to other semiconducting materials in which graphene serves multiple functions as active junction layer, charge transport path, and transparent electrode.

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