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    Low trap-state density and long carrier diffusion in organolead trihalide perovskite single crystals

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    Type
    Article
    Authors
    Shi, Dong cc
    Adinolfi, Valerio
    Comin, Riccardo
    Yuan, Mingjian
    Alarousu, Erkki
    Buin, Andrei K.
    Chen, Yin
    Hoogland, Sjoerd H.
    Rothenberger, Alexander
    Katsiev, Khabiboulakh
    Losovyj, Yaroslav B.
    Zhang, Xin
    Dowben, Peter A.
    Mohammed, Omar F. cc
    Sargent, E. H.
    Bakr, Osman cc
    KAUST Department
    Chemical Science Program
    Functional Nanomaterials Lab (FuNL)
    KAUST Catalysis Center (KCC)
    KAUST Solar Center (KSC)
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Ultrafast Laser Spectroscopy and Four-dimensional Electron Imaging Research Group
    KAUST Grant Number
    KUS-11-009-21
    Date
    2015-01-29
    Online Publication Date
    2015-01-29
    Print Publication Date
    2015-01-30
    Permanent link to this record
    http://hdl.handle.net/10754/564024
    
    Metadata
    Show full item record
    Abstract
    The fundamental properties and ultimate performance limits of organolead trihalide MAPbX3(MA = CH3NH3 +; X = Br- or I- ) perovskites remain obscured by extensive disorder in polycrystalline MAPbX3 films. We report an antisolvent vapor-assisted crystallization approach that enables us to create sizable crack-free MAPbX3 single crystals with volumes exceeding 100 cubic millimeters. These large single crystals enabled a detailed characterization of their optical and charge transport characteristics.We observed exceptionally low trap-state densities on the order of 109 to 1010 per cubic centimeter in MAPbX3 single crystals (comparable to the best photovoltaic-quality silicon) and charge carrier diffusion lengths exceeding 10 micrometers. These results were validated with density functional theory calculations.
    Citation
    Shi, D., Adinolfi, V., Comin, R., Yuan, M., Alarousu, E., Buin, A., … Bakr, O. M. (2015). Low trap-state density and long carrier diffusion in organolead trihalide perovskite single crystals. Science, 347(6221), 519–522. doi:10.1126/science.aaa2725
    Sponsors
    We thank N. Kherani, B. Ramautarsingh, A. Flood, and P. O'Brien for the use of the Hall setup. Supported by KAUST (O.M.B.) and by KAUST award KUS-11-009-21, the Ontario Research Fund Research Excellence Program, and the Natural Sciences and Engineering Research Council of Canada (E.H.S.).
    Publisher
    American Association for the Advancement of Science (AAAS)
    Journal
    Science
    DOI
    10.1126/science.aaa2725
    PubMed ID
    25635092
    ae974a485f413a2113503eed53cd6c53
    10.1126/science.aaa2725
    Scopus Count
    Collections
    Articles; 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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