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Harnessing plasmon-exciton energy exchange for flexible organic solar cells with efficiency of 19.5%

Author

Listed:
  • Jing-De Chen

    (Faculty of Innovation Engineering, Macau University of Science and Technology, Taipa
    Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University)

  • Hao Ren

    (Faculty of Innovation Engineering, Macau University of Science and Technology, Taipa
    Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University)

  • Feng-Ming Xie

    (Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University)

  • Jia-Liang Zhang

    (Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University)

  • Hao-Ze Li

    (School of Physics and Electronic Science, East China Normal University)

  • Abdul Sameeu Ibupoto

    (Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University)

  • Ye-Fang Zhang

    (Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University)

  • Yan-Qing Li

    (School of Physics and Electronic Science, East China Normal University)

  • Jian-Xin Tang

    (Faculty of Innovation Engineering, Macau University of Science and Technology, Taipa
    Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University)

Abstract

The plasmonic effects have unlocked remarkable advancements in modern optoelectronics, enabling enhanced light-matter interactions for applications ranging from sensing to photovoltaics. However, the nonradiative damping of plasmonic effects causes parasitic absorption which limits the light-utilization efficiency of optoelectronics, particularly for photovoltaic cells. Herein, we propose a plasmon energy recycling scheme consisting of green fluorophore (BCzBN) and nickel oxide to compensate for the plasmon energy loss. The plasmons trapped in silver nanowire (AgNW) electrodes are coupled to green emission through plasmon-exciton energy exchange. Backward electron and energy transfer are inhibited due to the spectral mismatch and energy level offset. The optically enhanced flexible AgNW electrode exhibits an improvement of 10.74% in transmittance, yielding flexible organic solar cells with an efficiency of 19.51% and a certified value of 18.69%. This innovative strategy provides a pathway for overcoming plasmon energy losses in plasmonic optoelectronics, opening horizons for highly efficient flexible photovoltaics and plasmonic devices.

Suggested Citation

  • Jing-De Chen & Hao Ren & Feng-Ming Xie & Jia-Liang Zhang & Hao-Ze Li & Abdul Sameeu Ibupoto & Ye-Fang Zhang & Yan-Qing Li & Jian-Xin Tang, 2025. "Harnessing plasmon-exciton energy exchange for flexible organic solar cells with efficiency of 19.5%," Nature Communications, Nature, vol. 16(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-59286-0
    DOI: 10.1038/s41467-025-59286-0
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