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Advanced Materials

Simultaneous Use of Small- and Wide-Angle X-ray Techniques to Analyze Nanometerscale Phase Separation in Polymer Heterojunction Solar Cells

Authors

  • Mao-Yuan Chiu,

    1. Department of Materials Science and Engineering National Chiao Tung University 1001 Ta Hsueh Road, Hsinchu 30050, Taiwan (ROC)
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  • U-Ser Jeng,

    1. National Synchrotron Radiation Research Center 101 Hsin-Ann Road, Science-Based Industrial Park, Hsinchu 30077, Taiwan (ROC)
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  • Chiu-Hun Su,

    1. National Synchrotron Radiation Research Center 101 Hsin-Ann Road, Science-Based Industrial Park, Hsinchu 30077, Taiwan (ROC)
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  • Keng S. Liang,

    1. National Synchrotron Radiation Research Center 101 Hsin-Ann Road, Science-Based Industrial Park, Hsinchu 30077, Taiwan (ROC)
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  • Kung-Hwa Wei

    Corresponding author
    1. Department of Materials Science and Engineering National Chiao Tung University 1001 Ta Hsueh Road, Hsinchu 30050, Taiwan (ROC)
    • Department of Materials Science and Engineering National Chiao Tung University 1001 Ta Hsueh Road, Hsinchu 30050, Taiwan (ROC).
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  • We thank the National Science Council of Taiwan for funding (NSC 96-2120-M-009-005). Supporting Information is available online from Wiley InterScience or from the authors.

Abstract

Using grazing-incidence small-angle X-ray scattering and wide-angle X-ray diffraction techniques to analyze the nanoscale phase separation of P3HT and PCBM after annealing, the effects of the sizes of the PCBM clusters and P3HT crystallites on the power conversion efficiency of bulk heterojunction solar cells are studied.

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