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首页> 外文期刊>The journal of physical chemistry, C. Nanomaterials and interfaces >Lattice-Directed Construction of Metal-Organic Molecular Wires of Pentacene on the Au(110) Surface
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Lattice-Directed Construction of Metal-Organic Molecular Wires of Pentacene on the Au(110) Surface

机译：Au（110）表面上五苯磺烯金属 - 有机分子线的晶格导的施工

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摘要

The construction of metal organic molecular wires is important for the design of specific functional devices but has been a great challenge for experimental technology. Here we report the formation of one-dimensional metal organic structures by direct deposition of pentacene molecules on the Au(110) surface with subsequent thermal annealing. These metal organic molecular wires were systematically explored by scanning tunneling microscopy (STM) and, density functional theory calculations. At submonolayer coverage, during annealing at similar to 470 K, the adsorbed molecules induce both Au(110)-(1 x 3) surface reconstruction, where two atomic rows are missing every three rows on the Au(110) surface, with the end-to-end pentacene configuration and Au(110)-(1 x 6) surface reconstruction, where five rows are missing every six rows on the surface, with the side-by-side configuration. Further annealing at similar to 520 K results in Au-adatom-coordinated metal organic molecular wires with a new side-by-side configuration of pentacene molecules on the Au(110)-(1 x 6) surface. The Au adatoms linking neighboring pentacene molecules, indicated by bright features in the STM image, were strongly evidenced by the STM simulations. Therefore, metal organic molecular wires of pentacene on Au(110) were achieved through bonds between native Au atoms and the -CH- groups of pentacene molecules. coordination
机译：金属有机分子线的构造对于特定功能装置的设计是重要的，但对实验技术来说是一个很大的挑战。在这里，我们通过随后的热退火直接沉积一致性的五烯分子，通过直接沉积五苯分子，通过随后的热退火进行一维金属有机结构的形成。通过扫描隧道显微镜（STM）和密度泛函理论计算系统地探索这些金属有机分子线。在亚底糖覆盖范围内，在退火期间，在类似于470 k期间，吸附分子诱导Au（110） - （1×3）表面重建，其中两个原子行缺少AU（110）表面上的每三行，结束-To-End Pentacene配置和Au（110） - （1 x 6）表面重建，其中表面上缺少五行，并排配置。类似于520k的进一步退火导致Au-Adatom-配位的金属有机分子线，其在Au（110） - （1×6）表面上的五烯分子的新并旁侧构型。通过STM模拟强烈证明，通过STM图像中的明亮特征表示连接相邻五烯分子的Au Adatoms。因此，通过天然Au原子和-CH-组五烯分子之间的粘合来实现五烯酮上的金属有机分子线（110）。协调

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