M. Ebrahimi & F. Rosei
a, b, Liu et al.4 prepared an aromatic monomer (a) that crystallizes in a packing arrangement (b) that pre-organizes the molecules for a polymerization reaction. c, When the crystals were heated, polymerization occurred to form a material composed of flat, stacked layers; side and top views are shown. Individual layers of the polymer can be peeled off the stacked system. Carbon atoms, brown; nitrogen, blue; bromine, red; hydrogen, pink. Structures were prepared using VESTA 3 software11.