fig1
Figure 1. (A) Schematic of the preparation process of wood-derived Fe3C@BNC catalysts; (B and C) Top-view SEM images; (D) TEM images; (E) HRTEM and (F) EDS mapping images of Fe3C@BNC catalysts. SEM: Scanning electron microscopy; TEM: transmission electron microscopy; HRTEM: high-resolution TEM; EDS: energy-dispersive X-ray spectroscopy.
