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首页> 外文期刊>ACS applied materials & interfaces >Simple and Versatile Non-Fullerene Acceptor Based on Benzothiadiazole and Rhodanine for Organic Solar Cells
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Simple and Versatile Non-Fullerene Acceptor Based on Benzothiadiazole and Rhodanine for Organic Solar Cells

机译：基于BenzothiaDiazole和Rhodanine用于有机太阳能电池的简单和多功能的非富勒烯受体

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摘要

Most non-fullerene acceptors (NFAs) are designed in a complex planar molecular conformation containing fused aromatic rings in high-efficiency organic solar cells (OSCs). To obtain the final molecules, however, numerous synthetic steps are necessary. In this work, a novel simple-structured NFA containing alkoxy-substituted benzothiadiazole and a rhodanine end group (BTDT2R) is designed and synthesized. We also investigate the photovoltaic properties of BTDT2R-based OSCs employing representative polymer donors (wide band gap and high-crystalline P3HT, medium band gap and semicrystalline PPDT2FBT, and narrow band gap and low-crystalline PTB7-Th) to compare the performance capabilities of fullerene acceptor-based OSCs, which are well matched with various polymer donors. OSCs based on P3HT:BTDT2R, PPDT2FBT:BTDT2R, and PTB7-Th:BTDT2R achieved efficiency as high as 5.09, 6.90, and 8.19%, respectively. Importantly, photoactive films incorporating different forms of optical and molecular ordering characteristics exhibit favorable morphologies by means of solvent vapor annealing. This work suggests that the new n-type organic semiconductor developed here is highly promising as a universal NFA that can be paired with various polymer donors with different optical and crystalline properties.
机译：大多数非富勒烯受体（NFAS）设计成在高效有机太阳能电池（OSC）中含有熔融芳环的复杂平面分子构象。然而，为了获得最终分子，需要许多合成步骤。在这项工作中，设计并合成了一种含有烷氧基取代的苯并噻唑和罗达尼末端基团（BTDT2R）的新型简单结构NFA。我们还研究了采用代表性聚合物供体（宽带隙和高结晶P3HT，中带隙和半结晶PPDT2FBT，窄带隙和低晶体PTB7 -TH）的BTDT2R基OSC的光伏性能以比较性能基于富勒烯受体的OSC，与各种聚合物供体良好。基于P3HT的OSCS：BTDT2R，PPDT2FBT：BTDT2R和PTB7 -TH：BTDT2R分别实现高达5.09,6.90和8.19％的效率。重要的是，掺入不同形式的光学和分子排序特性的光活性膜通过溶剂蒸汽退火表现出良好的形态。这项工作表明，这里开发的新的N型有机半导体具有高度承诺，作为通用NFA，可以与具有不同光学和结晶性质的各种聚合物供体配对。

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  • 来源
    《ACS applied materials & interfaces》 |2019年第33期|共10页
  • 作者

    Ahn Jongho; Oh Sora; Lee HyunKyung; Lee Sangjun; Song Chang Eun; Lee Hang Ken; Lee Sang Kyu; So Won-Wook; Moon Sang-Jin; Lim Eunhee; Shin Won Suk; Lee Jong-Cheol;

  • 作者单位

    Korea Res Inst Chem Technol Adv Mat Div 141 Gajeong Ro Daejeon 34114 South Korea;

    Korea Res Inst Chem Technol Adv Mat Div 141 Gajeong Ro Daejeon 34114 South Korea;

    Korea Res Inst Chem Technol Adv Mat Div 141 Gajeong Ro Daejeon 34114 South Korea;

    Korea Res Inst Chem Technol Adv Mat Div 141 Gajeong Ro Daejeon 34114 South Korea;

    Korea Res Inst Chem Technol Adv Mat Div 141 Gajeong Ro Daejeon 34114 South Korea;

    Korea Res Inst Chem Technol Energy Mat Res Ctr 141 Gajeong Ro Daejeon 34114 South Korea;

    Korea Res Inst Chem Technol Adv Mat Div 141 Gajeong Ro Daejeon 34114 South Korea;

    Korea Res Inst Chem Technol Energy Mat Res Ctr 141 Gajeong Ro Daejeon 34114 South Korea;

    Korea Res Inst Chem Technol Energy Mat Res Ctr 141 Gajeong Ro Daejeon 34114 South Korea;

    Kyonggi Univ Dept Chem 154-42 Gwanggyosan Ro Suwon 16227 South Korea;

    Korea Res Inst Chem Technol Adv Mat Div 141 Gajeong Ro Daejeon 34114 South Korea;

    Korea Res Inst Chem Technol Adv Mat Div 141 Gajeong Ro Daejeon 34114 South Korea;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学工业;
  • 关键词

    organic solar cells; non-fullerene acceptor; bandgap; crystallinity; simple chemical structure;

    机译：有机太阳能电池;非富勒烯受体;带隙;结晶度;简单的化学结构;

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