Fig. 2
From: A modular synthetic approach for band-gap engineering of armchair graphene nanoribbons
Synthesis of model nanographenes. a Regioselective synthesis of pristine nanographene G1 as a model for N = 6 aGNRs. b Synthesis of edge-functionalized nanographenes (G2 and G3). DDQ: 2,3-dichloro-5,6-dicyano-1,4-benzoquinone. TfOH: trifluoromethanesulfonic acid
