Daniel DeBrincat, Oliver Keers and John E. McGrady
Chem. Commun., 2013,49, 9116-9118
DOI:
10.1039/C3CC45063E,
Communication
To what extent can a heterometallic chain of transition metal ions generate an asymmetric current–voltage response? Density functional theory suggests that the answer depends very much on the symmetry of the dominant conduction channel: π channels are more localised and hence afford higher rectification ratios.
