Chirality transfer from single molecules into self-assembled monolayers

被引：177
|
作者：
Fasel, R [1 ]
Parschau, M [1 ]
Ernst, KH [1 ]
机构：
[1] Swiss Fed Labs Mat Testing & Res, Mol Surface Technol, CH-8600 Dubendorf, Switzerland
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2003年 / 42卷 / 42期
关键词：
chirality; helical structures; monolayers; scanning probe microscopy; self-assembly;
D O I：
10.1002/anie.200352232
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
One hand is better than two! Chirality transfer from the single molecule into a two-dimensional layer is investigated by STM. The supramolecular handedness in homochiral heptahelicene layers, generated on a single-crystal surface (see picture), results from the orientations of next-neighbor molecules. The intermolecular interaction is dominated by steric repulsive forces between the rigid helices, causing a direct transfer of chirality.
引用
收藏
页码：5178 / 5181
页数：4
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