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Advanced Materials

Efficiency Enhancement of Organic Solar Cells Using Transparent Plasmonic Ag Nanowire Electrodes

Authors

  • Myung-Gyu Kang,

    1. Department of Electrical Engineering and Computer Science, The University of Michigan, Ann Arbor, Michigan 48109 (USA)
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  • Ting Xu,

    1. State Key Laboratory of Optical Technologies for Microfabrication, IOE, Chinese Academy of Science, Chengdu 610209 (China)
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  • Hui Joon Park,

    1. Macromolecular Science and Engineering, The University of Michigan, Ann Arbor, Michigan 48109 (USA)
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  • Xiangang Luo,

    Corresponding author
    1. State Key Laboratory of Optical Technologies for Microfabrication, IOE, Chinese Academy of Science, Chengdu 610209 (China)
    • State Key Laboratory of Optical Technologies for Microfabrication, IOE, Chinese Academy of Science, Chengdu 610209 (China).
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  • L. Jay Guo

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

Surface plasmon enhanced photo-current and power conversion efficiency of organic solar cells using periodic Ag nanowires as transparent electrodes are reported, as compared to the device with conventional ITO electrodes. External quantum efficiencies are enhanced about 2.5 fold around the peak solar spectrum wavelength of 560 nm, resulting in 35% overall increase in power conversion efficiency than the ITO control device under normal unpolarized light.

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