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    Hybrid Tandem Quantum Dot/Organic Solar Cells with Enhanced Photocurrent and Efficiency via Ink and Interlayer Engineering

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    Name:
    acsenergylett.8b00460.pdf
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    1.780Mb
    Format:
    PDF
    Description:
    Accepted Manuscript
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    Type
    Article
    Authors
    Kim, Taesoo cc
    Firdaus, Yuliar cc
    Kirmani, Ahmad R. cc
    Liang, Ru-Ze cc
    Hu, Hanlin cc
    Liu, Mengxia
    El Labban, Abdulrahman cc
    Hoogland, Sjoerd
    Beaujuge, Pierre cc
    Sargent, Edward H. cc
    Amassian, Aram cc
    KAUST Department
    KAUST Solar Center (KSC)
    Material Science and Engineering Program
    Organic Electronics and Photovoltaics Group
    Physical Science and Engineering (PSE) Division
    Date
    2018-05-03
    Online Publication Date
    2018-05-03
    Print Publication Date
    2018-06-08
    Permanent link to this record
    http://hdl.handle.net/10754/627822
    
    Metadata
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    Abstract
    Realization of colloidal quantum dot (CQD)/organic photovoltaic (OPV) tandem solar cells that integrate the strong infrared absorption of CQDs with large photovoltages of OPVs is an attractive option toward high-performing, low-cost thin film solar cells. To date, monolithic hybrid tandem integration of CQD/OPV solar cells has been restricted due to the CQD ink’s catastrophic damage to the organic subcell, thus forcing the low bandgap CQD to be used as front cell. This sub-optimal configuration limits the maximum achievable photocurrent in CQD/OPV hybrid tandem solar cells. In this work, we demonstrate hybrid tandem solar cells employing a low-bandgap CQD back cell on top of an organic front cell thanks to a modified CQD ink formulation and a robust interconnection layer (ICL) which together overcome the long-standing integration challenges for CQD and organic subcells. The resulting tandem architecture surpasses previously reported current densities by ~20-25% and yields a state-of-the-art power conversion efficiency (PCE) of 9.4%.
    Citation
    Kim T, Firdaus Y, Kirmani AR, Liang R-Z, Hu H, et al. (2018) Hybrid Tandem Quantum Dot/Organic Solar Cells with Enhanced Photocurrent and Efficiency via Ink and Interlayer Engineering. ACS Energy Letters. Available: http://dx.doi.org/10.1021/acsenergylett.8b00460.
    Sponsors
    This work was supported by the King Abdullah University of Science and Technology (KAUST), and the Ontario Research Fund - Research Excellence program. M.L. acknowledges support from the Hatch Research Scholarship. The authors thanks E. Palmiano for support in the synthesis of quantum dots.
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Energy Letters
    DOI
    10.1021/acsenergylett.8b00460
    Additional Links
    https://pubs.acs.org/doi/10.1021/acsenergylett.8b00460
    ae974a485f413a2113503eed53cd6c53
    10.1021/acsenergylett.8b00460
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; KAUST Solar Center (KSC)

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