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High fabrication yield organic tandem photovoltaics combining vacuum- and solution-processed subcells with 15% efficiency

Author

Listed:
  • Xiaozhou Che

    (University of Michigan)

  • Yongxi Li

    (University of Michigan)

  • Yue Qu

    (University of Michigan)

  • Stephen R. Forrest

    (University of Michigan
    University of Michigan
    University of Michigan)

Abstract

Multijunction solar cells are effective for increasing the power conversion efficiency beyond that of single-junction cells. Indeed, the highest solar cell efficiencies have been achieved using two or more subcells to adequately cover the solar spectrum. However, the efficiencies of organic multijunction solar cells are ultimately limited by the lack of high-performance, near-infrared absorbing organic subcells within the stack. Here, we demonstrate a tandem cell with an efficiency of 15.0 ± 0.3% (for 2 mm2 cells) that combines a solution-processed non-fullerene-acceptor-based infrared absorbing subcell on a visible-absorbing fullerene-based subcell grown by vacuum thermal evaporation. The hydrophilic–hydrophobic interface within the charge-recombination zone that connects the two subcells leads to >95% fabrication yield among more than 130 devices, and with areas up to 1 cm2. The ability to stack solution-based on vapour-deposited cells provides significant flexibility in design over the current, all-vapour-deposited multijunction structures.

Suggested Citation

  • Xiaozhou Che & Yongxi Li & Yue Qu & Stephen R. Forrest, 2018. "High fabrication yield organic tandem photovoltaics combining vacuum- and solution-processed subcells with 15% efficiency," Nature Energy, Nature, vol. 3(5), pages 422-427, May.
    • Handle: RePEc:nat:natene:v:3:y:2018:i:5:d:10.1038_s41560-018-0134-z
    DOI: 10.1038/s41560-018-0134-z
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    Cited by:

    1. Alanne, Kari & Cao, Sunliang, 2019. "An overview of the concept and technology of ubiquitous energy," Applied Energy, Elsevier, vol. 238(C), pages 284-302.
    2. Zhenrong Jia & Qing Ma & Zeng Chen & Lei Meng & Nakul Jain & Indunil Angunawela & Shucheng Qin & Xiaolei Kong & Xiaojun Li & Yang (Michael) Yang & Haiming Zhu & Harald Ade & Feng Gao & Yongfang Li, 2023. "Near-infrared absorbing acceptor with suppressed triplet exciton generation enabling high performance tandem organic solar cells," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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