Hierarchical Self-Assembly of Nanowires on the Surface by Metallo-Supramolecular Truncated Cuboctahedra
Hierarchical Self-Assembly of Nanowires on the Surface by Metallo-Supramolecular Truncated Cuboctahedra
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DOI：
10.1021/jacs.1c00625
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发表时间：
2021-04-13
影响因子：
15
通讯作者：
Li, Xiaopeng
中科院分区：
文献类型：
--
作者：
Wang, Heng;Wang, Kun;Li, Xiaopeng
植物器官的螺旋状排列，是生物系统中可见的长程表观有序的一个例子。这些有序的排列为科学家提供了美学挑战和数学灵感。合成的努力复制的规律性parastichy可能允许分子尺度的控制颗粒排列过程。在这里，我们报告包装的超分子截顶立方八面体（TCO）到双螺旋（DH）纳米线的石墨表面上的非自然parastichy图案归因于对称性的TCO和TCO之间的相互作用。这样的研究有望促进我们对创建复杂但精确控制的分层材料所需的设计输入的理解。它也是自Boerdijk-Coxeter螺旋发现以来，基于柏拉图或阿基米德固体的少数螺旋堆积结构之一。因此，它可以为分子水平上的堆积理论研究提供实验支持。
Parastichy, the spiral arrangement of plant organs, is an example of the long-range apparent order seen in biological systems. These ordered arrangements provide scientists with both an aesthetic challenge and a mathematical inspiration. Synthetic efforts to replicate the regularity of parastichy may allow for molecular-scale control over particle arrangement processes. Here we report the packing of a supramolecular truncated cuboctahedron (TCO) into double-helical (DH) nanowires on a graphite surface with a non-natural parastichy pattern ascribed to the symmetry of the TCOs and interactions between TCOs. Such a study is expected to advance our understanding of the design inputs needed to create complex, but precisely controlled, hierarchical materials. It is also one of the few reported helical packing structures based on Platonic or Archimedean solids since the discovery of the Boerdijk-Coxeter helix. As such, it may provide experimental support for studies of packing theory at the molecular level.