Journal
NANO LETTERS
Volume 8, Issue 12, Pages 4162-4167Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl801592c
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- Max-Planck-Society
- MOL-VIC [MAT2002-11975-E]
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Dicarboxystilbene, a molecule that becomes chiral in the adsorbed state through the loss of its improper axis of rotation, forms long-range handed structures when adsorbed on Cu(110) as revealed by scanning tunnelling Microscopy. We show that these structures are created from chiral adsorption complex building blocks, giving rise to a complete set of racemic and enantiomerically pure structural assemblies. We interpret the formation of these structures in terms of a balance between hydrogen bond mediated intermolecular interactions and the adsorbate-surface structural relationship and discuss the reasons for temperature-induced conversion from the metastable enantiomerically pure to the racemic structure.
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