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Control and placement of molecules via self-assembly

机译:通过自组装控制和放置分子

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We use self- and directed assembly to pattern organic monolayers on the nanometer scale. The ability of the scanning tunnelling microscope to obtain both nanometer-scale structural and electronic information is used to characterize patterning techniques, to elucidate the intermolecular interactions that drive them and to probe the structures formed. We illustrate three successful approaches: (1) phase separation of self-assembled monolayers by terminal and internal functionalization, (2) phase separation of self-assembled monolayers induced by post-adsorption processing and (3) control of molecular placement by insertion into a self-assembled monolayer. These methods demonstrate the possibilities of patterning films y exploiting the intrinsic properties of the molecules. We employ these methods to prepare matrix-isolated samples to probe molecular electronic properties of single and bundled molecules.
机译:我们使用自组装和定向组装在纳米尺度上对有机单层进行图案化。扫描隧道显微镜获得纳米级结构和电子信息的能力用于表征图案化技术,阐明驱动它们的分子间相互作用并探查形成的结构。我们举例说明了三种成功的方法:(1)通过末端和内部官能化对自组装单分子层进行相分离;(2)通过吸附后处理诱导的自组装单分子层的相分离;以及(3)通过插入分子结构来控制分子的位置自组装单层。这些方法证明了利用分子的内在特性对膜进行图案化的可能性。我们采用这些方法来制备基质分离的样品,以探测单个分子和束缚分子的分子电子性质。

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