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Influence of Alkyl Chain Branching Positions on the Hole Mobilities of Polymer Thin-Film Transistors

机译：烷基支链位置对聚合物薄膜晶体管空穴迁移率的影响

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摘要

Conjugated polymers have great potential for use in flexible, large-area and low-cost optoelectronic devices due to their solution processability and superior mechanical properties.'1' Nevertheless, charge mobilities in polymeric field-effect transistors (PFETs) are generally low due to poor packing and lack of macroscopic order.[2,3] To solve this problem, an effective solution is the rational design of new polymers based on deep insight into the structure-property relationship, which is unfortunately rare in comparison to small molecules used in organic field-effect transistors (OFETs).[4] Most efforts have been focused on the design of building blocks for polymer backbones,[1-3] and little research has shed light on the influence of molecular weight,[5] building block symmetry,[6] and alkyl side chains[7,8] on charge mobilities.
机译：共轭聚合物由于其溶液的可加工性和优异的机械性能而在挠性，大面积和低成本的光电器件中具有巨大的潜力。'1'然而，聚合物场效应晶体管（PFET）的电荷迁移率通常较低，这是因为[2,3]为了解决这个问题，有效的解决方案是根据对结构-性质关系的深入了解对新聚合物进行合理设计，与可再生材料中所用的小分子相比，这是罕见的有机场效应晶体管（OFET）。[4]大部分努力都集中在聚合物主链的结构单元设计上，[1-3]，而对分子量，[5]结构单元对称性[6]和烷基侧链[7]的影响却鲜有研究。 8]充电动员。

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  • 来源
    《Advanced Materials》 |2012年第48期|6457-6461|共5页
  • 作者

    Ting Lei; Jin-Hu Dou; jian Pel;

  • 作者单位

    Beijing National Laboratory for Molecular Sciences The Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education College of Chemistry and Molecular Engineering Peking University Beijing 100871, China;

    Beijing National Laboratory for Molecular Sciences The Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education College of Chemistry and Molecular Engineering Peking University Beijing 100871, China;

    Beijing National Laboratory for Molecular Sciences The Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education College of Chemistry and Molecular Engineering Peking University Beijing 100871, China;

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