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首页> 外文期刊>Advanced Functional Materials >Printable and Large-Area Organic Solar Cells Enabled by a Ternary Pseudo-Planar Heterojunction Strategy
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Printable and Large-Area Organic Solar Cells Enabled by a Ternary Pseudo-Planar Heterojunction Strategy

机译：由三元伪平面异性结策略启用的可打印和大面积有机太阳能电池

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摘要

Bulk heterojunction (BHJ) processing technology has had an irreplaceable role in the development of organic solar cells (OSCs) in the past decades due to the significant advantages in achieving high-power conversion efficiency (PCE). However, the difficulty in exploring and regulating morphology makes it inadequate for upscaling large-area OSCs. In this work, printable high-performance ternary devices are fabricated by a pseudo-planar heterojunction (PPHJ) strategy. The fullerene derivative indene-C(60)bisadduct (ICBA) is incorporated into PM6/IT-4F system to expand the vertical phase separation and facilitate an obvious PPHJ structure. After the addition of ICBA, the IT-4F enriches on the surface of active layer, while PM6 is accumulated underneath. Furthermore, it increases the crystallinity of PM6, which facilitates exciton dissociation and charge transfer. Accordingly, 1.05 cm(2)devices are fabricated by blade-coating with an enhanced PCE of 14.25% as compared to the BHJ devices (13.73%). The ternary PPHJ strategy provides an effective way to optimize the vertical phase separation of organic semiconductor during scalable printing methods.
机译：由于实现高功率转换效率（PCE）的显着优势，散装异质结（BHJ）加工技术在过去几十年中具有不可替代的作用。然而，探索和调节形态的难度使其不足以升级大区域OSC。在这项工作中，可印刷的高性能三元设备由伪平面的异质结（PPHJ）策略制造。将富勒烯衍生物茚-C（60）Bisadduct（ICBA）掺入PM6 / IT-4F系统中，以扩展垂直相分离并促进明显的PPHJ结构。在添加ICBA后，IT-4F在有源层的表面上丰富，而PM6累积在下面。此外，它增加了PM6的结晶度，这有利于激子解离和电荷转移。因此，与BHJ器件相比（13.73％）相比，通过叶片涂层制造1.05cm（2）装置，其增强的PCE为14.25％（13.73％）。三元PPHJ策略提供了一种有效的方法来优化可伸缩印刷方法期间有机半导体的垂直相分离。

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  • 来源
    《Advanced Functional Materials》 |2020年第36期|2003223.1-2003223.8|共8页
  • 作者

    Liu Siqi; Chen Dong; Hu Xiaotian; Xing Zhi; Wan Ji; Zhang Lin; Tan Licheng; Zhou Weihua; Chen Yiwang;

  • 作者单位

    Nanchang Univ Coll Chem Inst Polymers & Energy Chem IPEC Nanchang 330031 Jiangxi Peoples R China;

    Nanchang Univ Coll Chem Inst Polymers & Energy Chem IPEC Nanchang 330031 Jiangxi Peoples R China;

    Nanchang Univ Coll Chem Inst Polymers & Energy Chem IPEC Nanchang 330031 Jiangxi Peoples R China;

    Nanchang Univ Coll Chem Inst Polymers & Energy Chem IPEC Nanchang 330031 Jiangxi Peoples R China;

    Nanchang Univ Coll Chem Inst Polymers & Energy Chem IPEC Nanchang 330031 Jiangxi Peoples R China;

    Cent South Univ Hunan Key Lab Super Microstruct & Ultrafast Proc Sch Phys & Elect Changsha 410083 Peoples R China;

    Nanchang Univ Coll Chem Inst Polymers & Energy Chem IPEC Nanchang 330031 Jiangxi Peoples R China;

    Nanchang Univ Sch Mat Sci & Engn Nanchang 330031 Jiangxi Peoples R China;

    Nanchang Univ Coll Chem Inst Polymers & Energy Chem IPEC Nanchang 330031 Jiangxi Peoples R China|Jiangxi Normal Univ Inst Adv Sci Res iASR Nanchang 330022 Jiangxi Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    large area solar cells; organic solar cells; pseudo-planar heterojunction strategy; ternary devices; vertical distribution;

    机译：大面积太阳能电池;有机太阳能电池;伪平面异性结策略;三元设备;垂直分布;

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