fig2
From: Two-dimensional materials: synthesis and applications in the electro-reduction of carbon dioxide
Figure 2. Synthesis of 2D materials by exfoliation. (A) Graphene films synthesized by mechanical exfoliation[64]. (B) Schematic diagram of Au-assisted mechanical exfoliation. (C) 2D materials synthesized by Au-assisted mechanical exfoliation[66]. (D) Schematic diagram of CTAB-assisted material swelling[69]. 2D: 2-dimensional; CTAB: hexadecyl trimethyl ammonium bromide.