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<p>The transparent electrode has a crucial impact on the performance of the flexible organic solar cells (OSCs). Here, we developed the silver nanowires (AgNWs)/carbon nanotubes (CNTs) composite transparent electrode. The transmittance at 500&#xa0;nm (T<sub>500</sub>) can reach 90.64% with a sheet resistance of 10.98 Ω/sh as well as an excellent bending performance. Flexible devices based on the composite electrode achieve a power conversion efficiency (PCE) of 13.2%, an open circuit voltage (V<sub>OC</sub>) of 0.843&#xa0;V, a short-circuit current density (J<sub>SC</sub>) of 22.7&#xa0;mA/cm<sup>2</sup>, and a fill factor (FF) of 69%. Compared with that of the devices based on the silver nanowires transparent electrode, J<sub>SC</sub> and FF of the flexible devices based on AgNWs/CNTs composite transparent electrode were both increased. Because of the construction of “bridges” on silver nanowires by the carbon nanotubes, new conductive pathways are formed leading to the improvement of charge transport in the devices. In addition, the flexible devices with the composite transparent electrode present a better mechanical stability. The PCE maintains 90.64% of the original value after 2000 times bending with the radius of 5&#xa0;mm.</p>

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Flexible organic solar cells based on silver nanowires/carbon nanotubes composite transparent electrode

  • 期刊论文

  • 发表日期：

    2026年3月17日

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  • Yifan Xie,
  • Jinyong Zhuang,
  • Qiao Zheng,
  • Zhaohuang Guo,
  • Ziqi Zhou,
  • Jionghua Wu,
  • Hui Deng,
  • Caixia Zhang,
  • Weihuang Wang,
  • Shuying Cheng

摘要

The transparent electrode has a crucial impact on the performance of the flexible organic solar cells (OSCs). Here, we developed the silver nanowires (AgNWs)/carbon nanotubes (CNTs) composite transparent electrode. The transmittance at 500 nm (T500) can reach 90.64% with a sheet resistance of 10.98 Ω/sh as well as an excellent bending performance. Flexible devices based on the composite electrode achieve a power conversion efficiency (PCE) of 13.2%, an open circuit voltage (VOC) of 0.843 V, a short-circuit current density (JSC) of 22.7 mA/cm2, and a fill factor (FF) of 69%. Compared with that of the devices based on the silver nanowires transparent electrode, JSC and FF of the flexible devices based on AgNWs/CNTs composite transparent electrode were both increased. Because of the construction of “bridges” on silver nanowires by the carbon nanotubes, new conductive pathways are formed leading to the improvement of charge transport in the devices. In addition, the flexible devices with the composite transparent electrode present a better mechanical stability. The PCE maintains 90.64% of the original value after 2000 times bending with the radius of 5 mm.