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首页> 外文期刊>The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical >High-Performance Organic Field-Effect Transistors:Molecular Design,Device Fabrication,and Physical Properties
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High-Performance Organic Field-Effect Transistors:Molecular Design,Device Fabrication,and Physical Properties

机译:高性能有机场效应晶体管:分子设计,器件制造和物理特性

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摘要

In the past decade,tremendous progress has been made in organic field-effect transistors(OFETs).Their real applications require further development of device performance.OFETs consist of organic semiconductors,dielectric layers,and electrodes.Organic semiconductors play a key role in determining the device characteristics.The properties of the organic semiconductors,such as molecular structure and packing,as well as molecular energy levels,can be properly controlled by molecular design.Therefore,we designed and synthesized a series of organic molecules.The synthesized organic semiconductors exhibit excellent field-effect properties due to strong intermolecular interactions and proper molecular energy levels.Meanwhile,the influence of the device fabrication process,organic semiconductor/dielectric layer interface,and organic layer/electrode contact on the device performance was investigated.A deep understanding of these factors is helpful to improve field-effect properties.Furthermore,single-crystal field-effect transistors are highlighted because the single-crystal-based FETs can provide an accurate conducting mechanism of organic semiconductors and higher device performance as compared with thin film FETs.
机译:在过去的十年中,有机场效应晶体管(OFET)取得了巨大的进步。它们的实际应用需要器件性能的进一步发展。OFET由有机半导体,介电层和电极组成。有机半导体在确定有机半导体方面起着关键作用。可以通过分子设计适当地控制有机半导体的分子结构,堆积,分子能级等性质。因此,我们设计并合成了一系列有机分子。由于强大的分子间相互作用和适当的分子能级,因此具有出色的场效应性能。同时,研究了器件制造工艺,有机半导体/介电层界面以及有机层/电极接触对器件性能的影响。这些因素有助于改善场效应性质。英格晶体场效应晶体管之所以成为重点,是因为与薄膜FET相比,基于单晶的FET可以提供有机半导体的精确导电机制并具有更高的器件性能。

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