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STM and OFT Study of 20 Self-Assembled Molecular Nanostructures on Surfaces

机译:STM和OFT研究表面上20种自组装的分子纳米结构

摘要

The self-assembly of organic molecules was investigated on surfaces at the liquid-solidudinterface with scanning tunneling microscopy (STM), a technique that allows real-spaceudimaging of single molecules with sub-nm resolution. Combining the experimental data withuddensity functional theory (DFT) calculations provides insight in the nature of the weakudintermolecular bonds involved in the lateral stabilization of the investigated systems. Surfaceudpolymerization of the assembled structures was also attempted, an important step towardsudpractical applications thanks to the higher stability and better electronic properties of theudpolymerized structures.udSelf-assembly is a powerful technique for the fabrication of organic thin layers and theudbottom-up nanopatterning of surfaces. This work describes fundamental aspects of self-assemblyudat the sub-molecular scale. Despite being important in small-molecule devices,udmuch still has to be learned about this fascinating phenomenon, especially in terms ofudrationally controlling the assembly. This works contributes to the basic understanding ofudmolecular self-assembly.
机译:使用扫描隧道显微镜(STM)研究了液-固界面界面上有机分子的自组装,该技术可以对单个分子进行亚纳米分辨率的实物成像成像。将实验数据与密度函数理论(DFT)计算相结合,可以深入了解所研究系统的侧向稳定过程中所涉及的弱分子间键的性质。还尝试了组装结构的表面超聚合反应,由于超聚合结构的更高的稳定性和更好的电子性能,这朝着实际应用迈出了重要的一步。 ud自组装是制造有机薄层和复合材料的强大技术。 udbottom-up纳米图案的表面。这项工作描述了自组装亚分子尺度的基本方面。尽管在小分子设备中很重要,但仍然必须了解这种引人入胜的现象,尤其是在对装配进行绝对控制方面。这项工作有助于对分子自组装的基本理解。

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    Gatti Riccardo;

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  • 年度 2014
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  • 原文格式 PDF
  • 正文语种 en
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