Single-Molecule Break Junctions Based on a Perylene-Diimide Cyano-Functionalized (PDI8-CN2) Derivative.

It is quite significant to remember that recent experiments, performed through the STM-based break junction approach on other perylene-diimide derivatives with different functionalization in the bay or side aromatic regions, reveal the presence for all these compounds of only one most probable molecule junction conductance value which, in any case, never exceeds 10 −4 G 0 [ 13 , 11 ].

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