期刊
CRYSTENGCOMM
卷 13, 期 18, 页码 5584-5590出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ce05433c
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资金
- European Community [NMP4-SL-2008-214340]
- Fund of Scientific Research - Flanders (FWO)
- K.U.Leuven (GOA)
- Belgian Federal Science Policy Office [IAP-6/27]
- Institute for the Promotion of Innovation by Science and Technology in Flanders (IWT)
The monolayer formation of a chiral oligo(p-phenylene vinylene)-substituted hexaarylbenzene with 24 stereogenic centers is investigated at the interface between a liquid and a solid substrate, highly oriented pyrolytic graphite. Scanning tunneling microscopy (STM) reveals that molecular chirality is expressed at the supramolecular level. When both enantiomers are co-adsorbed on the surface, a racemic conglomerate is formed. Both enantiomers and their mixtures show interesting conformational and translational dynamics at the liquid-solid interface, giving insight into expression of chirality, nucleation and monolayer growth.
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