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Use of X-Ray Diffraction, Molecular Simulations, and Spectroscopy to Determine the Molecular Packing in a Polymer-Fullerene Bimolecular Crystal

机译:使用X射线衍射,分子模拟和光谱法确定聚合物-富勒烯双分子晶体中的分子堆积

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摘要

Bulk-heterojunction (BHJ) solar cells made from blends of semiconducting polymers and fullerenes are attractive because they can be printed at low cost and have demonstrated efficiencies greater than 8%. For these solar cells to produce current, excitons created during light absorption must reach a conjugated polymer (donor): fullerene (acceptor) interface and dissociate by charge transfer. Electrons and holes must then travel through the fullerenes and polymer, respectively, to reach the electrodes before recombination occurs.
机译:由半导体聚合物和富勒烯的混合物制成的体异质结(BHJ)太阳能电池具有吸引力,因为它们可以低成本印刷并且效率超过8%。为了使这些太阳能电池产生电流,在光吸收过程中产生的激子必须到达共轭聚合物(供体):富勒烯(受体)的界面并通过电荷转移而解离。然后,电子和空穴必须分别穿过富勒烯和聚合物,以在发生重组之前到达电极。

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  • 来源
    《Advanced Materials》 |2012年第45期|6071-6079|共9页
  • 作者单位

    Department of Materials Science and Engineering Stanford University Stanford, CA 94305, USA;

    School of Materials Science and Engineering Georgia Institute ofTechnology Atlanta, GA 30332, USA;

    Department of Chemical Engineering University of California Santa Barbara, Santa Barbara, CA 93106, USA;

    Department of Materials Science and Engineering Stanford University Stanford, CA 94305, USA;

    School of Chemistry and Biochemistry Georgia Institute of Technology Atlanta, GA 30332, USA;

    School of Chemistry and Biochemistry Georgia Institute of Technology Atlanta, GA 30332, USA;

    Department of Materials Science and Engineering Stanford University Stanford, CA 94305, USA;

    Department of Materials Science and Engineering Stanford University Stanford, CA 94305, USA,Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory Menlo Park, CA 94025, USA;

    National Institute of Standards and Technology Gaithersburg, MD 20899, USA;

    National Institute of Standards and Technology Gaithersburg, MD 20899, USA;

    Department of Chemistry Imperial College London London SW7 2AZ, UK;

    Department of Chemistry Imperial College London London SW7 2AZ, UK;

    King Abdullah University of Science and Technology (KAUST) Physical Sciences and Engineering Division Thuwal 23955-6900, Saudi Arabia;

    King Abdullah University of Science and Technology (KAUST) Visualization Core Laboratory Thuwal 23955-6900, Saudi Arabia;

    King Abdullah University of Science and Technology (KAUST) Visualization Core Laboratory Thuwal 23955-6900, Saudi Arabia;

    Max Planck Institute for Polymer Research Ackermannweg 10, 55128 Mainz, Germany;

    Max Planck Institute for Polymer Research Ackermannweg 10, 55128 Mainz, Germany;

    Department of Chemical Engineering University of California Santa Barbara, Santa Barbara, CA 93106, USA;

    Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory Menlo Park, CA 94025, USA;

    School of Chemistry and Biochemistry Georgia Institute of Technology Atlanta, GA 30332, USA;

    Department of Materials Science and Engineering Stanford University Stanford, CA 94305, USA;

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