On graphene grown on copper foil, oligothiophenes form identical supramolecular assemblies on different copper facets. Most importantly, we found that the graphene ripple structures, even with a height as small as ∼0.5 nm, can significantly alter the molecule–substrate interaction, which has never been observed previously.
The article was received on 18 Jul 2013, accepted on 11 Sep 2013 and first published on 11 Sep 2013
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