fig6

Figure 6. (A) EIS analysis of various catalysts with an inset providing an enlarged view of the high-frequency region; (B) LSV curves of Co/N@ZS-PDA under different conditions. ZS: Zr-SBA-15; PDA: polydopamine; EIS: electrochemical impedance spectroscopy; LSV: linear sweep voltammetry; CBZ: carbamazepine; PMS: peroxymonosulfate.





