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    A Boltzmann-weighted hopping model of charge transport in organic semicrystalline films

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    Type
    Article
    Authors
    Kwiatkowski, Joe J.
    Jimison, Leslie H.
    Salleo, Alberto
    Spakowitz, Andrew J.
    KAUST Grant Number
    KUS-C1-015-21
    Date
    2011-06-15
    Online Publication Date
    2011-06-15
    Print Publication Date
    2011-06
    Permanent link to this record
    http://hdl.handle.net/10754/597222
    
    Metadata
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    Abstract
    We present a model of charge transport in polycrystalline electronic films, which considers details of the microscopic scale while simultaneously allowing realistically sized films to be simulated. We discuss the approximations and assumptions made by the model, and rationalize its application to thin films of directionally crystallized poly(3-hexylthiophene). In conjunction with experimental data, we use the model to characterize the effects of defects in these films. Our findings support the hypothesis that it is the directional crystallization of these films, rather than their defects, which causes anisotropic mobilities. © 2011 American Institute of Physics.
    Citation
    Kwiatkowski JJ, Jimison LH, Salleo A, Spakowitz AJ (2011) A Boltzmann-weighted hopping model of charge transport in organic semicrystalline films. Journal of Applied Physics 109: 113720. Available: http://dx.doi.org/10.1063/1.3594686.
    Sponsors
    This publication was partially based on work supported by the Center for Advanced Molecular Photovoltaics (Award No KUS-C1-015-21), made by King Abdullah University of Science and Technology (KAUST) and the National Science Foundation. L.H.J. acknowledges financial support from Toshiba Corporation. J.J.K. and A.J.S. are partially supported by the Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, under contract DE-AC02-76SF00515.
    Publisher
    AIP Publishing
    Journal
    Journal of Applied Physics
    DOI
    10.1063/1.3594686
    ae974a485f413a2113503eed53cd6c53
    10.1063/1.3594686
    Scopus Count
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    Publications Acknowledging KAUST Support

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