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Advanced Materials

6.5% Efficiency of Polymer Solar Cells Based on poly(3-hexylthiophene) and Indene-C60 Bisadduct by Device Optimization

Authors

  • Guangjin Zhao,

    1. Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institution of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China), Fax: (+) 86–10-62559373
    2. Graduate University of Chinese Academy of Sciences, Beijing 100039 (China)
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  • Youjun He,

    1. Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institution of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China), Fax: (+) 86–10-62559373
    2. Graduate University of Chinese Academy of Sciences, Beijing 100039 (China)
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  • Yongfang Li

    Corresponding author
    1. Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institution of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China), Fax: (+) 86–10-62559373
    • Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institution of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China), Fax: (+) 86–10-62559373.
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Abstract

A power conversion efficiency of 6.48% was achieved for polymer solar cells based on poly(3-hexylthiophene) (P3HT) as donor and indene-C60 bisadduct (ICBA) as acceptor with an open-circuit voltage of 0.84 V, a short-circuit current of 10.61 mA/cm2, and a fill factor of 72.7% under irradiation at AM1.5G, 100 mW/cm2 at the optimized conditions of P3HT:ICBA = 1:1 (w/w), solvent annealing and pre-thermal annealing at 150 °C for 10 minutes.

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