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    Overcoming the Ambient Manufacturability-Scalability-Performance Bottleneck in Colloidal Quantum Dot Photovoltaics

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    adma.201801661.pdf
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    1.549Mb
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    PDF
    Description:
    Accepted manuscript
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    Type
    Article
    Authors
    Kirmani, Ahmad R. cc
    Sheikh, Arif D. cc
    Niazi, Muhammad Rizwan cc
    Haque, Mohammed
    Liu, Mengxia
    de Arquer, F. Pelayo García
    Xu, Jixian
    Sun, Bin
    Voznyy, Oleksandr
    Gasparini, Nicola
    Baran, Derya cc
    Wu, Tao cc
    Sargent, Edward H.
    Amassian, Aram cc
    KAUST Department
    KAUST Solar Center (KSC)
    Laboratory of Nano Oxides for Sustainable Energy
    Material Science and Engineering Program
    Organic Electronics and Photovoltaics Group
    Physical Science and Engineering (PSE) Division
    Date
    2018-07-06
    Online Publication Date
    2018-07-05
    Print Publication Date
    2018-08
    Embargo End Date
    2019-07-06
    Permanent link to this record
    http://hdl.handle.net/10754/630433
    
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    Abstract
    Colloidal quantum dot (CQD) solar cells have risen rapidly in performance; however, their low-cost fabrication under realistic ambient conditions remains elusive. This study uncovers that humid environments curtail the power conversion efficiency (PCE) of solar cells by preventing the needed oxygen doping of the hole transporter during ambient fabrication. A simple oxygen-doping step enabling ambient manufacturing irrespective of seasonal humidity variations is devised. Solar cells with PCE > 10% are printed under high humidity at industrially viable speeds. The devices use a tiny fraction of the ink typically needed and are air stable over a year. The humidity-resilient fabrication of efficient CQD solar cells breaks a long-standing compromise, which should accelerate commercialization.
    Citation
    Kirmani AR, Sheikh AD, Niazi MR, Haque MA, Liu M, et al. (2018) Overcoming the Ambient Manufacturability-Scalability-Performance Bottleneck in Colloidal Quantum Dot Photovoltaics. Advanced Materials 30: 1801661. Available: http://dx.doi.org/10.1002/adma.201801661.
    Sponsors
    This work was funded by the King Abdullah University of Science and Technology (KAUST) and the Ontario Research Fund Research Excellence Program. A.R.K. would like to acknowledge Dr. Lee J. Richter at the National Institute of Standards and Technology, Maryland, US for fruitful discussions. M.L. acknowledges support from the Hatch Research Scholarship.
    Publisher
    Wiley
    Journal
    Advanced Materials
    DOI
    10.1002/adma.201801661
    Additional Links
    https://onlinelibrary.wiley.com/doi/full/10.1002/adma.201801661
    ae974a485f413a2113503eed53cd6c53
    10.1002/adma.201801661
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; KAUST Solar Center (KSC)

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