積層芳香族性を有するπスタック単分子接合の伝導特性に関する理論的研究

  • 岡澤 一樹
    1. 九州大学先導物質化学研究所, 〒819-0395 福岡県福岡市西区元岡744
  • 辻 雄太
    2. 九州大学大学院総合理工学研究院,〒816-8580 福岡県春日市春日公園6-1
  • 吉澤 一成
    1. 九州大学先導物質化学研究所, 〒819-0395 福岡県福岡市西区元岡744

書誌事項

タイトル別名
  • Theoretical Study on the Conduction Properties of π-Stacked Single-Molecule Junctions with Stacked Aromaticity

説明

<p>π-stacked single-molecule junctions stacked with π-conjugated molecules have the potential to be used as building blocks for single-molecule scale three-dimensional integrated circuits. In this study, we investigate the relationship between π-stacking distance and conductance in face-to-face π-stacked single-molecule junctions with benzene as the monomer unit using the non-equilibrium Green's function (NEGF), which combines the Hückel molecular orbital (HMO) and density functional theory (DFT) methods. As the π-stack distance between two benzene molecules decreases, the pseudo-para junction, which is insulating, turns conductive. Furthermore, it was found that the cause of this change can be explained by orbital interactions.</p>

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