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    High-Performance Tandem Organic Solar Cells Using HSolar as the Interconnecting Layer

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    Name:
    Tandem OPV manuscript_final.pdf
    Size:
    2.242Mb
    Format:
    PDF
    Description:
    Accepted manuscript
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    Type
    Article
    Authors
    Ho, Carr Hoi Yi cc
    Kim, Taesoo
    Xiong, Yuan
    Firdaus, Yuliar cc
    Yi, Xueping
    Dong, Qi
    Rech, Jeromy J.
    Gadisa, Abay
    Booth, Ronald
    O'Connor, Brendan T.
    Amassian, Aram
    Ade, Harald
    You, Wei
    Anthopoulos, Thomas D. cc
    So, Franky cc
    KAUST Department
    Physical Science and Engineering (PSE) Division
    Material Science and Engineering Program
    KAUST Solar Center (KSC)
    Date
    2020-05-12
    Online Publication Date
    2020-05-12
    Print Publication Date
    2020-07
    Embargo End Date
    2021-05-13
    Submitted Date
    2020-03-03
    Permanent link to this record
    http://hdl.handle.net/10754/662892
    
    Metadata
    Show full item record
    Abstract
    Tandem structure provides a practical way to realize high efficiency organic photovoltaic cells, it can be used to extend the wavelength coverage for light harvesting. The interconnecting layer (ICL) between subcells plays a critical role in the reproducibility and performance of tandem solar cells, yet the processability of the ICL has been a challenge. In this work the fabrication of highly reproducible and efficient tandem solar cells by employing a commercially available material, PEDOT:PSS HTL Solar (HSolar), as the hole transporting material used for the ICL is reported. Comparing with the conventional PEDOT:PSS Al 4083 (c-PEDOT), HSolar offers a better wettability on the underlying nonfullerene photoactive layers, resulting in better charge extraction properties of the ICL. When FTAZ:IT-M and PTB7-Th:IEICO-4F are used as the subcells, a power conversion efficiency (PCE) of 14.7% is achieved in the tandem solar cell. To validate the processability of these tandem solar cells, three other research groups have successfully fabricated tandem devices using the same recipe and the highest PCE obtained is 16.1%. With further development of donor polymers and device optimization, the device simulation results show that a PCE > 22% can be realized in tandem cells in the near future.
    Citation
    Ho, C. H. Y., Kim, T., Xiong, Y., Firdaus, Y., Yi, X., Dong, Q., … So, F. (2020). High-Performance Tandem Organic Solar Cells Using HSolar as the Interconnecting Layer. Advanced Energy Materials, 2000823. doi:10.1002/aenm.202000823
    Sponsors
    This work was supported by the Office of Naval Research Grant N00014-17-1-2242, National Science Foundation Award CBET-1639429, and NextGen Nano.
    Publisher
    Wiley
    Journal
    Advanced Energy Materials
    DOI
    10.1002/aenm.202000823
    10.1002/aenm.202070109
    Additional Links
    https://onlinelibrary.wiley.com/doi/abs/10.1002/aenm.202000823
    ae974a485f413a2113503eed53cd6c53
    10.1002/aenm.202000823
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; KAUST Solar Center (KSC)

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