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首页> 外文期刊>Advanced Functional Materials >Alkyl Chain Orientations in Dicyanomethylene-Substituted 2,5-Di(thiophen-2-yl)thieno-[3,2-b]thienoquinoid: Impact on Solid-State and Thin-Film Transistor Performance
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Alkyl Chain Orientations in Dicyanomethylene-Substituted 2,5-Di(thiophen-2-yl)thieno-[3,2-b]thienoquinoid: Impact on Solid-State and Thin-Film Transistor Performance

机译：二氰基亚甲基取代的2,5-二（噻吩-2-基）噻吩并[[3,2-b]噻吩并喹啉的烷基链取向：对固态和薄膜晶体管性能的影响

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摘要

A series of dicyanomethylene-substituted 2,5-di(thiophen-2-yl)thieno[3,2-b] thieno-quinoids, in which soluble alkyl chains (2-decyltetradecyls) are substituted at different positions (namely, 2,2'-positions (Compound 1); 3,3'-positions (Compound 2); 6,6'-positions (Compound 3)), are strategically designed and successfully synthesized. The photophysical and electrochemical properties as well as molecular packing of these new compounds are thoroughly investigated. Thin film transistor measurements reveal that Compounds 1-3 display markedly different charge transport performance. The solution processed thin film transistors of Compound 2 exhibits the highest electron mobility of up to 0.22 cm~2 V~(-1) s~(-1) under ambient conditions, one and three orders of magnitude higher than those of Compounds 3 and 1, respectively, demonstrating the strong impact of alkyl chain orientations on transistor performance.
机译：一系列的二氰基亚甲基取代的2,5-二（噻吩-2-基）噻吩并[3,2-b]噻吩并醌，其中可溶的烷基链（2-癸基十四烷基）被取代在不同的位置（即2，战略性地设计并成功合成了2'-位（化合物1），3,3'-位（化合物2），6,6'-位（化合物3））。对这些新化合物的光物理和电化学性质以及分子堆积进行了彻底的研究。薄膜晶体管的测量表明，化合物1-3显示出明显不同的电荷传输性能。在环境条件下，化合物2的固溶薄膜晶体管具有最高的电子迁移率，最高为0.22 cm〜2 V〜（-1）s〜（-1），比化合物3和3高出一个数量级和三个数量级。图1分别展示了烷基链取向对晶体管性能的强烈影响。

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  • 来源
    《Advanced Functional Materials》 |2013年第18期|2277-2284|共8页
  • 作者

    Qinghe Wu; Shendong Ren; Mao Wang; Xiaolan Qiao; Hongxiang Li; Xike Gao; Xiaodi Yang; Daoben Zhu;

  • 作者单位

    Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai, 200032, China;

    Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai, 200032, China;

    Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai, 200032, China,School of Materials Science and Engineering East China University of Science and Technology Shanghai, 200237, China;

    Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai, 200032, China;

    Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai, 200032, China;

    Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai, 200032, China;

    Laboratory of Advanced Materials Fudan University Shanghai, 200438, China;

    Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai, 200032, China,Beijing National Laboratory for Molecular Sciences Key Laboratory of Organic Solids Institute of Chemistry Chinese Academy of Sciences Beijing, 100190, China;

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