Giant supramolecular liquid crystal lattice
Giant supramolecular liquid crystal lattice
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DOI：
10.1126/science.1078849
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发表时间：
2003-02-21
期刊：
影响因子：
56.9
通讯作者：
Cho, WD
中科院分区：
文献类型：
--
作者：
Ungar, G;Liu, YS;Cho, WD
自组织的超分子有机纳米结构在分子电子学、光子学和纳米多孔催化剂前体等方面具有潜在的应用前景。因此，了解自组装是如何由分子结构控制的，将使设计越来越复杂的结构成为可能。我们报道了一种液晶（LC）相，其中含有30个球形超分子树状大分子，每个都是由12个树突（树状）分子自组装而成的，用于本文描述的化合物。目前的结构是目前发现的最复杂的LC相之一。提出了一个模型来解释自组装树突聚集体的空间排列如何依赖于分子结构和温度。
Self-organized supramolecular organic nanostructures have potential applications that include molecular electronics, photonics, and precursors for nanoporous catalysts. Accordingly, understanding how self-assembly is controlled by molecular architecture will enable the design of increasingly complex structures. We report a liquid crystal (LC) phase with a tetragonal three-dimensional unit cell containing 30 globular supramolecular dendrimers, each of which is self-assembled from 12 dendron (tree-like) molecules, for the compounds described here. The present structure is one of the most complex LC phases yet discovered. A model explaining how spatial arrangement of self-assembled dendritic aggregates depends on molecular architecture and temperature is proposed.