fig5

Figure 5. (A) Diagram of the preparation of Cu-doped Bi SACs; (B, C) Contact angle of Bi NSs and bulk Bi in aqueous solution; (D) Schematic diagram of the mechanism on Bi nanosheet. Reprinted with permission from Ref.^[63]. Copyright 2018, Elsevier; (E) Schematic diagram of the growth mechanism of APCVD; (F) Corresponding Raman mapping of Bi A_1g peak intensity; (G) Electrochemical performance testing of bismuthene samples at different applied potentials (vs. RHE). Reprinted with permission from Ref.^[64]. Copyright 2023, American Chemical Society. SAC: Single-atom catalysts; APCVD: atmospheric chemical vapor deposition.