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    Highly Efficient Perovskite-Quantum-Dot Light-Emitting Diodes by Surface Engineering

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    Type
    Article
    Authors
    Pan, Jun cc
    Quan, Li Na cc
    Zhao, Yongbiao
    Peng, Wei cc
    Banavoth, Murali cc
    Sarmah, Smritakshi P.
    Yuan, Mingjian
    Sinatra, Lutfan cc
    AlYami, Noktan Mohammed cc
    Liu, Jiakai cc
    Yassitepe, Emre
    Yang, Zhenyu cc
    Voznyy, Oleksandr cc
    Comin, Riccardo
    Hedhili, Mohamed N. cc
    Mohammed, Omar F. cc
    Lu, Zheng Hong
    Kim, Dong Ha cc
    Sargent, Edward H. cc
    Bakr, Osman cc
    KAUST Department
    Chemical Science Program
    Functional Nanomaterials Lab (FuNL)
    Imaging and Characterization Core Lab
    KAUST Catalysis Center (KCC)
    KAUST Solar Center (KSC)
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Surface Science
    Ultrafast Laser Spectroscopy and Four-dimensional Electron Imaging Research Group
    KAUST Grant Number
    KUS-11-009-21
    URF/1/2268-01-01
    Date
    2016-08-16
    Online Publication Date
    2016-08-16
    Print Publication Date
    2016-10
    Permanent link to this record
    http://hdl.handle.net/10754/622107
    
    Metadata
    Show full item record
    Abstract
    A two-step ligand-exchange strategy is developed, in which the long-carbon-chain ligands on all-inorganic perovskite (CsPbX3, X = Br, Cl) quantum dots (QDs) are replaced with halide-ion-pair ligands. Green and blue light-emitting diodes made from the halide-ion-paircapped quantum dots exhibit high external quantum efficiencies compared with the untreated QDs.
    Citation
    Pan J, Quan LN, Zhao Y, Peng W, Murali B, et al. (2016) Highly Efficient Perovskite-Quantum-Dot Light-Emitting Diodes by Surface Engineering. Advanced Materials 28: 8718–8725. Available: http://dx.doi.org/10.1002/adma.201600784.
    Sponsors
    J.P., L.N.Q., and Y.Z. contributed equally to this work. This publication is based in part on Awards KUS-11-009-21 and URF/1/2268-01-01 made by King Abdullah University of Science and Technology (KAUST), by the Ontario Research Fund Research Excellence Program, and by the Natural Sciences and Engineering Research Council (NSERC) of Canada. L. N. Quan and D. H. Kim acknowledge the financial support by the National Research Foundation of Korea Grant funded by the Korean Government (Grant No. 2014R1A2A1A09005656). The authors acknowledge Mrs. Nini Wei and Dr. Jun Li for TEM cross-sections.
    Publisher
    Wiley
    Journal
    Advanced Materials
    DOI
    10.1002/adma.201600784
    PubMed ID
    27529532
    Additional Links
    http://onlinelibrary.wiley.com/doi/10.1002/adma.201600784/abstract
    ae974a485f413a2113503eed53cd6c53
    10.1002/adma.201600784
    Scopus Count
    Collections
    Articles; Imaging and Characterization Core Lab; Physical Science and Engineering (PSE) Division; Chemical Science Program; Material Science and Engineering Program; KAUST Catalysis Center (KCC); KAUST Solar Center (KSC)

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