Recent years have seen a proliferation of single-molecule devices including rotors 1,2,3, motors 4,5,6,7,8,9,10 and switches 11,12,13,14,15,16,17,18,19,20,21. However ...

The formation of two-dimensional (2D) supramolecular arrays provides a highly flexible route to the control of the spatial organization, down to the molecular scale, of the chemical functionality of a ...