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首页> 外文期刊>Advanced Functional Materials >Heterogeneous Nucleation Promotes Carrier Transport in Solution-Processed Organic Field-Effect Transistors
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Heterogeneous Nucleation Promotes Carrier Transport in Solution-Processed Organic Field-Effect Transistors

机译：异质核化促进溶液处理的有机场效应晶体管中的载流子传输。

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摘要

A new way to investigate and control the growth of solution-cast thin films is presented. The combination of in situ quartz crystal microbalance measurements with dissipation capabilities (QCM-D) and in situ grazing-incidence wide-angle X-ray scattering (CIWAXS) in an environmental chamber provides unique quantitative insights into the time-evolution of the concentration of the solution, the onset of nucleation, and the mode of growth of the organic semiconductor under varied drying conditions. It is demonstrated that careful control over the kinetics of solution drying enhances carrier transport significantly by promoting phase transformation predominantly via heterogeneous nucleation and sustained surface growth of a highly lamellar structure at the solid-liquid interface at the expense of homogeneous nucleation.
机译：提出了一种研究和控制溶液流延薄膜生长的新方法。原位石英晶体微天平测量与耗散能力（QCM-D）和原位掠射入射广角X射线散射（CIWAXS）的结合提供了对环境浓度随时间变化的独特定量见解溶液，成核的开始以及在不同干燥条件下有机半导体的生长方式。证明了对溶液干燥动力学的仔细控制通过主要通过异相成核和固相界面处高度层状结构在固体-液体界面的持续表面生长来促进相变而显着提高了载体的运输，但以均相成核为代价。

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  • 来源
    《Advanced Functional Materials》 |2013年第3期|291-297|共7页
  • 作者

    Ruipeng Li; Hadayat Ullah Khan; Marcia M. Payne; Detlef-M. Smilgies; John E. Anthony; Aram Amassian;

  • 作者单位

    Materials Science and Engineering Program Division of Physical Science and Engineering King Abdullah University of Science and Technology Thuwal 23955-6900, Saudi Arabia;

    Materials Science and Engineering Program Division of Physical Science and Engineering King Abdullah University of Science and Technology Thuwal 23955-6900, Saudi Arabia;

    Department of Chemistry University of Kentucky Lexington, KY 40506, USA;

    Cornell High Energy Synchrotron Source Cornell University Ithaca, NY 14850, USA;

    Department of Chemistry University of Kentucky Lexington, KY 40506, USA;

    Materials Science and Engineering Program Division of Physical Science and Engineering King Abdullah University of Science and Technology Thuwal 23955-6900, Saudi Arabia;

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