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Improved All-Polymer Solar Cell Performance by Using Matched Polymer Acceptor

机译：通过使用匹配的聚合物受体提高了全聚合物太阳能电池的性能

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摘要

By the introduction of different building blocks and side-chains, a series of donor-acceptor type polymer acceptors containing naphthalene diimide have been successfully prepared. The theoretical and experimental results show that the molecular design effectively tunes the energy levels, solubility, and coplanarity of the acceptor polymers. The intermolecular packing, which has been considered as a key factor in the bulk heterojunction morphology, has been adjusted by changing the coplanarity. As a result of improved morphology and fine-tuned energy levels, a power conversion efficiency of 6.0% has been demonstrated for the optimized devices, which is among the highest-efficiencies for reported all-polymer solar cells. The improved device performance may be attributed to the resemble crystallinity of the donor/acceptor polymers, which can lead to the optimal phase separation morphology balancing both charge transfer and transport.
机译：通过引入不同的结构单元和侧链，已经成功制备了一系列含有萘二酰亚胺的供体-受体型聚合物受体。理论和实验结果表明，分子设计有效地调节了受体聚合物的能级，溶解度和共面性。分子间堆积被认为是整体异质结形态的关键因素，已经通过改变共面性进行了调整。作为改善的形态和微调的能级的结果，已针对优化的器件证明了6.0％的功率转换效率，这是报道的全聚合物太阳能电池效率最高的之一。改善的器件性能可以归因于供体/受体聚合物的相似结晶度，这可以导致平衡电荷转移和输送的最佳相分离形态。

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  • 来源
    《Advanced Functional Materials》 |2016年第31期|5669-5678|共10页
  • 作者

    Shi Shaohua; Yuan Jianyu; Ding Guanqun; Ford Michael; Lu Kunyuan; Shi Guozheng; Sun Jianxia; Ling Xufeng; Li Yong; Ma Wanli;

  • 作者单位

    Soochow Univ, Inst Funct Nano Soft Mat FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, 199 Renai Rd, Suzhou 215123, Jiangsu, Peoples R China;

    Soochow Univ, Inst Funct Nano Soft Mat FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, 199 Renai Rd, Suzhou 215123, Jiangsu, Peoples R China;

    Soochow Univ, Inst Funct Nano Soft Mat FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, 199 Renai Rd, Suzhou 215123, Jiangsu, Peoples R China;

    Univ Calif Santa Barbara, Ctr Polymers & Organ Solids, Santa Barbara, CA 93106 USA;

    Soochow Univ, Inst Funct Nano Soft Mat FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, 199 Renai Rd, Suzhou 215123, Jiangsu, Peoples R China;

    Soochow Univ, Inst Funct Nano Soft Mat FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, 199 Renai Rd, Suzhou 215123, Jiangsu, Peoples R China;

    Soochow Univ, Inst Funct Nano Soft Mat FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, 199 Renai Rd, Suzhou 215123, Jiangsu, Peoples R China;

    Soochow Univ, Inst Funct Nano Soft Mat FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, 199 Renai Rd, Suzhou 215123, Jiangsu, Peoples R China;

    Soochow Univ, Inst Funct Nano Soft Mat FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, 199 Renai Rd, Suzhou 215123, Jiangsu, Peoples R China;

    Soochow Univ, Inst Funct Nano Soft Mat FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, 199 Renai Rd, Suzhou 215123, Jiangsu, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    aggregation; morphology; nonfullerene solar cells; polymer acceptor; selenophene;

    机译：聚集;形态;非富勒烯太阳能电池;聚合物受体;硒烯;

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