Bottom-Up Synthesis of Heteroatom-Doped Chiral Graphene Nanoribbons,Journal of the American Chemical Society

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Bottom-Up Synthesis of Heteroatom-Doped Chiral Graphene Nanoribbons
Journal of the American Chemical Society ( IF 14.4 ) Pub Date : 2018-07-10 , DOI: 10.1021/jacs.8b06210
Xiao-Ye Wang ₁ , José I. Urgel ₂ , Gabriela Borin Barin ₂ , Kristjan Eimre ₂ , Marco Di Giovannantonio ₂ , Alberto Milani ₃ , Matteo Tommasini ₄ , Carlo A. Pignedoli ₂ , Pascal Ruffieux ₂ , Xinliang Feng ₅ , Roman Fasel _{2,

6} , Klaus Müllen ₁ , Akimitsu Narita ₁

Affiliation

Bottom-up synthesis of graphene nanoribbons (GNRs) has significantly advanced during the past decade, providing various GNR structures with tunable properties. The synthesis of chiral GNRs, however, has been underexplored and only limited to (3,1)-GNRs. We report herein the surface-assisted synthesis of the first heteroatom-doped chiral (4,1)-GNRs from the rationally designed precursor 6,16-dibromo-9,10,19,20-tetraoxa-9a,19a-diboratetrabenzo[ a, f, j, o]perylene. The structure of the chiral GNRs has been verified by scanning tunneling microscopy, noncontact atomic force microscopy, and Raman spectroscopy in combination with theoretical modeling. Due to the presence of oxygen-boron-oxygen (OBO) segments on the edges, lateral self-assembly of the GNRs has been observed, realizing well-aligned GNR arrays with different modes of homochiral and heterochiral inter-ribbon assemblies.

中文翻译：

自下而上合成杂原子掺杂手性石墨烯纳米带

在过去十年中，石墨烯纳米带（GNR）的自下而上合成取得了显着进展，提供了各种具有可调特性的 GNR 结构。然而，手性 GNR 的合成尚未得到充分探索，并且仅限于 (3,1)-GNR。我们在此报告了从合理设计的前体 6,16-dibromo-9,10,19,20-tetraoxa-9a,19a-diboratetrabenzo[a] 表面辅助合成第一个杂原子掺杂手性 (4,1)-GNRs。 , f, j, o]苝。手性 GNR 的结构已经通过扫描隧道显微镜、非接触式原子力显微镜和拉曼光谱结合理论模型进行了验证。由于边缘存在氧 - 硼 - 氧（OBO）片段，观察到 GNR 的横向自组装，

更新日期：2018-07-10

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