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    Efficient Double- and Triple-Junction Nonfullerene Organic Photovoltaics and Design Guidelines for Optimal Cell Performance

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    Name:
    Firdaus et al. ACS Ener Lett. 2020.pdf
    Size:
    2.087Mb
    Format:
    PDF
    Description:
    Accepted manuscript
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    Type
    Article
    Authors
    Firdaus, Yuliar cc
    Ho, Carr Hoi Yi
    Lin, Yuanbao cc
    Yengel, Emre cc
    Le Corre, Vincent M. cc
    Nugraha, Mohamad Insan cc
    Yarali, Emre cc
    So, Franky cc
    Anthopoulos, Thomas D. cc
    KAUST Department
    KAUST Solar Center (KSC)
    Material Science and Engineering
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    KAUST Grant Number
    OSR2018-CARF/CCF-3079
    Date
    2020-11-12
    Embargo End Date
    2021-11-12
    Submitted Date
    2020-09-27
    Permanent link to this record
    http://hdl.handle.net/10754/665974
    
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    Abstract
    The performance of multijunction devices lags behind single-junction organic photovoltaics (OPVs) mainly because of the lack of suitable subcells. Here, we attempt to address this bottleneck and demonstrate efficient nonfullerene-based multijunction OPVs while at the same time highlighting the remaining challenges. We first demonstrate double-junction OPVs with power conversion efficiency (PCE) of 16.5%. Going a step further, we developed triple-junction OPVs with a PCE of 14.9%, the highest value reported to date for this triple-junction cells. Device simulations suggest that improving the front-cell’s carrier mobility to >5 × 10–4 cm2 V–1 s–1 is needed to boost the efficiency of double- and triple-junction OPVs. Analysis of the efficiency limit of triple-junction devices predicts that PCE values of close to 26% are possible. To achieve this, however, the optical absorption and charge transport within the subcells would need to be optimized. The work is an important step toward next-generation multijunction OPVs.
    Citation
    Firdaus, Y., Ho, C. H. Y., Lin, Y., Yengel, E., Le Corre, V. M., Nugraha, M. I., … Anthopoulos, T. D. (2020). Efficient Double- and Triple-Junction Nonfullerene Organic Photovoltaics and Design Guidelines for Optimal Cell Performance. ACS Energy Letters, 3692–3701. doi:10.1021/acsenergylett.0c02077
    Sponsors
    This publication is based upon work supported by the King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) under Award No: OSR2018-CARF/CCF-3079; Office of Naval Research Grant N00014-17-1-2242; National Science Foundation Award CBET-1639429; and NextGen Nano Limited.
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Energy Letters
    DOI
    10.1021/acsenergylett.0c02077
    Additional Links
    https://pubs.acs.org/doi/10.1021/acsenergylett.0c02077
    ae974a485f413a2113503eed53cd6c53
    10.1021/acsenergylett.0c02077
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; KAUST Solar Center (KSC)

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