Fig. 1
Self-assembly of oleamide on various 2D atomic crystals. a Schematic representation of oleamide self-assembly on 2D atomic crystals along specific orientations. For clarity, only the amide groups are displayed and the alkyl chains of oleamide are not shown except for the topmost oleamide dimer which shows the complete molecular structures. Hydrogen bonds are indicated with blue dashed lines. White, gray, blue and red balls represent H, C, N and O atoms, respectively. b–i AFM images of oleamide nanoribbons on graphene, h-BN, MoS2, MoSe2, MoTe2, WSe2, black phosphorus (BP) and ReS2, respectively. j Nanoribbons on CVD-grown multilayer MoS2. Blue arrows represent the orientations of nanoribbons on varied layers. All scale bars are 500 nm, except for that in c which is 200 nm
