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首页> 外文期刊>Advanced Functional Materials >Molecular Stacking Induced by Intermolecular C-H—N Hydrogen Bonds Leading to High Carrier Mobility in Vacuum-Deposited Organic Films
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Molecular Stacking Induced by Intermolecular C-H—N Hydrogen Bonds Leading to High Carrier Mobility in Vacuum-Deposited Organic Films

机译：分子间C-H-N氢键诱导的分子堆积导致真空沉积有机膜中的高载流子迁移率

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摘要

Simple bottom-up fabrication processes for molecular self-assembly have been developed for the construction of higher-order structures using organic materials, and have contributed to maximization of the potential of organic materials in chemical and bioengineering. However, their application to organic thin-film devices such as organic light-emitting diodes have not been widely considered because simple fabrication of a solid film containing an internal self-assembly structure has been regarded as difficult. Here it is shown that the intermolecular C-H—N hydrogen bonds can be simply formed even in vacuum-deposited organic films having flat interfaces. By designing the molecules containing pyridine rings properly for the intermolecular interaction, one can control the molecular stacking induced by the intermolecular hydrogen bonds. It is also demonstrated that the molecular stacking contributes to the high carrier mobility of the film. These findings provide new guidelines to improve the performance of organic optoelectronic devices and open up the possibilities for further development of organic devices with higher-order structures.
机译：已经开发了用于分子自组装的简单的自下而上的制造工艺，以用于使用有机材料构造更高阶的结构，并且有助于最大程度地发挥有机材料在化学和生物工程中的潜力。然而，由于将包含内部自组装结构的固体膜简单地制造被认为是困难的，因此尚未广泛地将其应用于有机薄膜器件如有机发光二极管。在此表明，即使在具有平坦界面的真空沉积的有机膜中，也可以简单地形成分子间的C-H-N氢键。通过适当地设计含有吡啶环的分子以进行分子间相互作用，可以控制由分子间氢键诱导的分子堆积。还证明了分子堆叠有助于膜的高载流子迁移率。这些发现为提高有机光电器件的性能提供了新的指导方针，并为进一步开发具有更高阶结构的有机器件开辟了可能性。

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  • 来源
    《Advanced Functional Materials》 |2011年第8期|p.1375-1382|共8页
  • 作者

    Daisuke Yokoyama; Hisahiro Sasabe; Yukio Fumkawa; Chihaya Adachi; Junji Kido;

  • 作者单位

    Department of Organic Device Engineering Graduate School of Science and Engineering Yamagata University 4-3-16 Johnan, Yonezawa, Yamagata 992-8510, Japan and Center for Future Chemistry Kyushu University 774 Motooka, Nishi, Fukuoka 819-0395, Japan;

    Department of Organic Device Engineering Graduate School of Science and Engineering Yamagata University 4-3-16 Johnan, Yonezawa, Yamagata 992-8510, Japan;

    Department of Chemistry and Biochemistry School of Advanced Science and Engineering Waseda University 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan;

    Center for Future Chemistry Kyushu University 774 Motooka, Nishi, Fukuoka 819-0395, Japan;

    Department of Organic Device Engineering Graduate School of Science and Engineering Yamagata University 4-3-16 Johnan, Yonezawa, Yamagata 992-8510, Japan;

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