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Aryl Migration on Graphene
Journal of the American Chemical Society ( IF 14.4 ) Pub Date : 2020-10-12 , DOI: 10.1021/jacs.0c05965 Maggie He 1 , Timothy M. Swager 1
Journal of the American Chemical Society ( IF 14.4 ) Pub Date : 2020-10-12 , DOI: 10.1021/jacs.0c05965 Maggie He 1 , Timothy M. Swager 1
Affiliation
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The design and synthesis of molecular systems able to carry out movements resembling macroscopic objects is an exciting and challenging endeavor. Molecules that can walk covalently on a track have been demonstrated, and we now report how aryl groups that can migrate over a graphene surface. Specifically, we describe a system comprised of covalently functionalized aryl groups on graphene that undergo continuous aryl shifts. The dynamic aryl shift allows the aryl groups on graphene to effectively migrate step-by-step wherein each step involves reversible bond breaking and making that is initiated by a combination of an activated arene and p-doping of the graphene surface. Raman spectroscopic mapping of the distribution of the covalent attachment revealed that activated 4-methoxyphenyl groups migrate several microns from regions of high functionalization to regions with no prior functionalization.
中文翻译：
石墨烯上的芳基迁移
能够进行类似宏观物体运动的分子系统的设计和合成是一项令人兴奋和具有挑战性的工作。可以在轨道上共价行走的分子已经被证明，我们现在报告芳基如何在石墨烯表面上迁移。具体来说，我们描述了一个由石墨烯上的共价官能化芳基组成的系统，这些芳基经历了连续的芳基位移。动态芳基位移允许石墨烯上的芳基有效地逐步迁移，其中每一步都涉及可逆的键断裂和形成，这是由活化的芳烃和石墨烯表面的 p 掺杂的组合引发的。
更新日期：2020-10-12
中文翻译：
石墨烯上的芳基迁移
能够进行类似宏观物体运动的分子系统的设计和合成是一项令人兴奋和具有挑战性的工作。可以在轨道上共价行走的分子已经被证明，我们现在报告芳基如何在石墨烯表面上迁移。具体来说，我们描述了一个由石墨烯上的共价官能化芳基组成的系统，这些芳基经历了连续的芳基位移。动态芳基位移允许石墨烯上的芳基有效地逐步迁移，其中每一步都涉及可逆的键断裂和形成，这是由活化的芳烃和石墨烯表面的 p 掺杂的组合引发的。
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