L. Piot, D. Bonifazi, P. Samori,
Adv. Funct. Mater. 2007, 17, 3689-3693
Submolecularly resolved scanning tunnelling microscopy studies of reactions occurring in confined space (i.e., in two dimensions on a surface, see figure) provide genuine insight into the chemical reaction mechanism and offer new ways to achieve greater control over the reactivity of organic molecules.