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首页> 外文期刊>Advanced Materials >Aggregation-Induced Multilength Scaled Morphology Enabling 11.76% Efficiency in All-Polymer Solar Cells Using Printing Fabrication
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Aggregation-Induced Multilength Scaled Morphology Enabling 11.76% Efficiency in All-Polymer Solar Cells Using Printing Fabrication

机译：聚集诱导的多尺度尺度形态学，通过印刷加工使全聚合物太阳能电池的效率提高了11.76％

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摘要

All-polymer solar cells (all-PSCs) exhibit excellent stability and readily tunable ink viscosity, and are therefore especially suitable for printing preparation of large-scale devices. At present, the efficiency of state-of-the-art all-PSCs fabricated by the spin-coating method has exceeded 11%, laying the foundation for the preparation and practical utilization of printed devices. A high power conversion efficiency (PCE) of 11.76% is achieved based on PTzBI-Si:N2200 all-PSCs processing with 2-methyltetrahydrofuran (MTHF, an environmentally friendly solvent) and preparation of active layers by slot die printing, which is the top efficient for all-PSCs. Conversely, the PCE of devices processed by high-boiling point chlorobenzene is less than 2%. Through the study of film formation kinetics, volatile solvents can freeze the morphology in a short time, and a more rigid conformation with strong intermolecular interaction combined with the solubility limit of PTzBI-Si and N2200 in MTHF results in the formation of a fibril network in the bulk heterojunction. The multilength scaled morphology ensures fast transfer of carriers and facilitates exciton separation, which boosts carrier mobility and current density, thus improving the device performance. These results are of great significance for large-scale printing fabrication of high-efficiency all-PSCs in the future.
机译：全聚合物太阳能电池（all-PSC）具有出色的稳定性和易于调节的油墨粘度，因此特别适合用于大型设备的印刷制备。目前，通过旋涂法制造的最新全PSC的效率已超过11％，为印刷设备的制备和实际使用奠定了基础。基于PTzBI-Si：N2200全PSC用2-甲基四氢呋喃（MTHF，一种环境友好的溶剂）进行处理，并通过缝模印刷制备活性层，实现了11.76％的高功率转换效率（PCE）。适用于所有PSC。相反，用高沸点氯苯处理的设备的PCE小于2％。通过研究成膜动力学，挥发性溶剂可以在短时间内冻结形态，具有更强分子间相互作用的更坚硬的构型以及PTzBI-Si和N2200在MTHF中的溶解度极限导致形成原纤维网络。本体异质结。多长度缩放的形态可确保载流子快速转移并促进激子分离，从而提高载流子迁移率和电流密度，从而改善器件性能。这些结果对于将来大规模生产高效全PSC具有重要意义。

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  • 来源
    《Advanced Materials》 |2019年第41期|1902899.1-1902899.8|共8页
  • 作者

    Zhu Lei; Zhong Wenkai; Qiu Chaoqun; Lyu Bosai; Zhou Zichun; Zhang Ming; Song Jingnan; Xu Jinqiu; Wang Jing; Ali Jazib; Feng Wei; Shi Zhiwen; Gu Xiaodan; Ying Lei; Zhang Yongming; Liu Feng;

  • 作者单位

    Shanghai Jiao Tong Univ Sch Chem & Chem Engn Dept Polymer Sci & Engn Shanghai 200240 Peoples R China|South China Univ Technol State Key Lab Luminescent Mat & Devices Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol State Key Lab Luminescent Mat & Devices Guangzhou 510640 Guangdong Peoples R China;

    Shanghai Jiao Tong Univ Sch Chem & Chem Engn Dept Polymer Sci & Engn Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Sch Phys & Astron Shanghai 200240 Peoples R China|Shanghai Jiao Tong Univ Collaborat Innovat Ctr IFSA CICIFSA Shanghai 200240 Peoples R China;

    State Key Lab Fluorinated Mat Zibo 256401 Shandong Peoples R China;

    Univ Southern Mississippi Sch Polymer Sci & Engn Hattiesburg MS 39406 USA;

    Shanghai Jiao Tong Univ Sch Chem & Chem Engn Dept Polymer Sci & Engn Shanghai 200240 Peoples R China|Shanghai Jiao Tong Univ Sch Phys & Astron Shanghai 200240 Peoples R China|Shanghai Jiao Tong Univ Collaborat Innovat Ctr IFSA CICIFSA Shanghai 200240 Peoples R China;

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  • 正文语种 eng
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  • 关键词

    All-polymer solar cells multilength scaled morphology; organic photovoltaics; thin-film printing;

    机译：全聚合物太阳能电池的多尺度尺度形态;有机光伏;薄膜印刷;

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