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ZObservation of coexistence of 1D and 2D nanostructures in cobalt dipyrromethene trimer complexes adsorbed on a graphite surface

机译:吸附在石墨表面的二茂铁钴三聚体钴中一维和二维纳米结构共存的ZO观测

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摘要

We report the direct observation of 1D and 2D nanostructures of cobalt dipyrromethene trimer complexes adsorbed on a highly oriented pyrolytic graphite surface using scanning tunneling microscopy (STM). STM images showed two types of ordered structures coexisting on the surface: long 1D molecular chains isolated on the terraces, and 2D hexagonal patterns confined by a 1D chain and/or a graphite step edge. These 1D and 2D structures are attributed to 'edge-on' and 'face-on' complex alignments on the surface, respectively. In both configurations, substrate-mediated molecule-molecule interactions may play a significant role in stabilizing the nanostructures.
机译:我们报告了使用扫描隧道显微镜(STM)对吸附在高度定向的热解石墨表面的钴二吡咯亚甲基三聚体一维和二维纳米结构的直接观察。 STM图像显示两种类型的有序结构共存于表面:长的1D分子链隔离在梯田上,以及由1D链和/或石墨台阶边缘限制的2D六角形图案。这些1D和2D结构分别归因于表面上的“边对边”和“面对边”复杂对齐。在两种配置中,底物介导的分子-分子相互作用都可能在稳定纳米结构中发挥重要作用。

著录项

  • 来源
    《Applied Surface Science》 |2009年第4期|1176-1179|共4页
  • 作者单位

    Department of Chemistry, Chonbuk National University and Research Institute of Physics and Chemistry, Deok-jin Cu,Jeonju 561-756, Republic of Korea;

    Department of Chemistry, Chonbuk National University and Research Institute of Physics and Chemistry, Deok-jin Cu,Jeonju 561-756, Republic of Korea;

    Department of Chemistry, Chonbuk National University and Research Institute of Physics and Chemistry, Deok-jin Cu,Jeonju 561-756, Republic of Korea;

    Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC, Canada V6T 1Z1;

    Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC, Canada V6T 1Z1;

    Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC, Canada V6T 1Z1;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    scanning tunneling microscopy; dipyrromethene; graphite; supramolecules; porphyrin;

    机译:扫描隧道显微镜二吡咯甲烷;石墨;超分子卟啉;

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