fig1

Figure 1. (A) The synthesis flowchart of CoSA+NC/NPSC; SEM pictures of (B) CoSA+NP/NPSC and (C) CoSA+NC/NPSC; (D) TEM image; (E) HRTEM image; and (F) EDS mapping of CoSA+NC/NPSC. SEM: Scanning electron microscope; TEM: transmission electron microscope; HRTEM: high resolution transmission electron microscopy; EDS: energy-dispersive spectrometer.