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All-Carbon-Electrode-Based Endurable Flexible Perovskite Solar Cells

机译：基于全碳电极的耐用型钙钛矿柔性太阳能电池

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摘要

Endured, low-cost, and high-performance flexible perovskite solar cells (PSCs) featuring lightweight and mechanical flexibility have attracted tremendous attention for portable power source applications. However, flexible PSCs typically use expensive and fragile indium-tin oxide as transparent anode and high-vacuum processed noble metal as cathode, resulting in dramatic performance degradation after continuous bending or thermal stress. Here, all-carbon-electrode-based flexible PSCs are fabricated employing graphene as transparent anode and carbon nanotubes as cathode. All-carbon-electrode-based flexible devices with and without spiro-OMeTAD (2,2,7,7-tetrakis-(N,N-di-p-methoxyphenylamine)-9,9-spirobifluorene) hole conductor achieve power conversion efficiencies (PCEs) of 11.9% and 8.4%, respectively. The flexible carbon-electrode-based solar cells demonstrate superior robustness against mechanical deformation in comparison with their counterparts fabricated on flexible indium-tin oxide substrates. Moreover, all carbon-electrode-based flexible PSCs also show significantly enhanced stability compared to the flexible devices with gold and silver cathodes under continuous light soaking or 60 degrees C thermal stress in air, retaining over 90% of their original PCEs after 1000 h. The promising durability and stability highlight that flexible PSCs are fully compatible with carbon materials and pave the way toward the realization of rollable and low-cost flexible perovskite photovoltaic devices.
机译：具有轻便和机械柔韧性的耐用，低成本，高性能的钙钛矿柔性太阳能电池（PSC）在便携式电源应用中引起了极大的关注。但是，柔性PSC通常使用昂贵且易碎的铟锡氧化物作为透明阳极，并使用高真空处理的贵金属作为阴极，导致连续弯曲或热应力后性能急剧下降。在此，使用石墨烯作为透明阳极，碳纳米管作为阴极，制造了基于全碳电极的柔性PSC。带有和不带有spiro-OMeTAD（2,2,7,7-四-（N，N-二-对甲氧基苯胺）-9,9-螺双芴）空穴导体的全碳电极柔性设备可实现功率转换效率（PCE）分别为11.9％和8.4％。与在挠性铟锡氧化物衬底上制造的太阳能电池相比，基于挠性碳电极的太阳能电池具有出色的抗机械变形能力。此外，与具有金和银阴极的柔性器件相比，所有基于碳电极的柔性PSC在连续光浸泡或空气中60摄氏度的热应力下也显示出显着增强的稳定性，在1000小时后保留了其原始PCE的90％以上。有希望的耐用性和稳定性突出表明，柔性PSC与碳材料完全兼容，并为实现可卷曲和低成本的柔性钙钛矿光伏器件铺平了道路。

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  • 来源
    《Advanced Functional Materials》 |2018年第11期|1706777.1-1706777.8|共8页
  • 作者

    Luo Qiang; Ma He; Hou Qinzhi; Li Yingxiang; Ren Jing; Dai Xuezeng; Yao Zhibo; Zhou Yu; Xiang Lichen; Du Huayun; He Hongcai; Wang Ning; Jiang Kaili; Lin Hong; Zhang Huaiwu; Guo Zhanhu;

  • 作者单位

    Univ Elect Sci & Technol China, State Key Lab Elect Thin Film & Integrated Device, Chengdu 610054, Sichuan, Peoples R China;

    Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China;

    Univ Elect Sci & Technol China, State Key Lab Elect Thin Film & Integrated Device, Chengdu 610054, Sichuan, Peoples R China;

    Univ Elect Sci & Technol China, State Key Lab Elect Thin Film & Integrated Device, Chengdu 610054, Sichuan, Peoples R China;

    Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China;

    Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China;

    Zhengzhou Univ, Minist Educ, Key Lab Mat Proc & Mold, Zhengzhou 450001, Henan, Peoples R China;

    Univ Tennessee, Dept Chem & Biomol Engn, ICL, Knoxville, TN 37996 USA;

    Univ Elect Sci & Technol China, State Key Lab Elect Thin Film & Integrated Device, Chengdu 610054, Sichuan, Peoples R China;

    Univ Elect Sci & Technol China, State Key Lab Elect Thin Film & Integrated Device, Chengdu 610054, Sichuan, Peoples R China;

    Tsinghua Univ, Collaborat Innovat Ctr Quantum Matter, Dept Phys, Nanotechnol Res Ctr,State Key Lab Low Dimens Quan, Beijing 100084, Peoples R China;

    Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China;

    Univ Elect Sci & Technol China, State Key Lab Elect Thin Film & Integrated Device, Chengdu 610054, Sichuan, Peoples R China;

    Univ Tennessee, Dept Chem & Biomol Engn, ICL, Knoxville, TN 37996 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    carbon materials; conductivity; flexibility; perovskite solar cells; stability;

    机译：碳材料;导电性;柔性;钙钛矿太阳能电池;稳定性;

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