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Efficient Organic Solar Cells with Helical Perylene Diimide Electron Acceptors

机译:带有螺旋Di二酰亚胺电子受体的高效有机太阳能电池

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摘要

We report an efficiency of 6.1% for a solution-processed non-fullerene solar cell using a helical perylene diimide (PDI) dimer as the electron acceptor. Femtosecond transient absorption spectroscopy revealed both electron and hole transfer processes at the donor-acceptor interfaces, indicating that charge carriers are created from photogenerated excitons in both the electron donor and acceptor phases. Light-intensity-dependent current-voltage measurements suggested different recombination rates under short-circuit and open-circuit conditions.
机译:我们报告了使用螺旋per二酰亚胺(PDI)二聚体作为电子受体的溶液处理非富勒烯太阳能电池的效率为6.1%。飞秒瞬态吸收光谱揭示了施主-受主界面的电子和空穴转移过程,表明电荷载流子是由电子供体和受主相中的光生激子产生的。与光强度有关的电流-电压测量结果表明,在短路和开路条件下,复合率不同。

著录项

  • 来源
    《Journal of the American Chemical Society》 |2014年第43期|15215-15221|共7页
  • 作者单位

    Department of Chemistry, Columbia University, New York, New York 10027, United States;

    Department of Chemistry, Columbia University, New York, New York 10027, United States;

    Department of Chemistry, Columbia University, New York, New York 10027, United States,College of Chemical Engineering and Technology, Wuhan University of Science and Technology, Wuhan 430081, China;

    Department of Chemistry, Columbia University, New York, New York 10027, United States;

    Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States;

    Department of Chemistry, Columbia University, New York, New York 10027, United States;

    Department of Chemistry, Columbia University, New York, New York 10027, United States;

    Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States;

    Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States;

    Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States;

    Department of Chemistry, Columbia University, New York, New York 10027, United States;

    Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States;

    The Education Ministry Key Lab of Resource Chemistry, Shanghai Key Laboratory of Rare Earth Functional Materials, Optoelectronic Nano Materials and Devices Institute, Department of Chemistry, Shanghai Normal University, Shanghai 200234, China;

    Department of Chemistry, Columbia University, New York, New York 10027, United States;

    Department of Chemistry, Columbia University, New York, New York 10027, United States;

    The Education Ministry Key Lab of Resource Chemistry, Shanghai Key Laboratory of Rare Earth Functional Materials, Optoelectronic Nano Materials and Devices Institute, Department of Chemistry, Shanghai Normal University, Shanghai 200234, China,Department of Chemistry, Columbia University, New York, New York 10027, United States;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 入库时间 2022-08-18 03:11:14

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