Fig. 4
From: Y-mediated optimization of 3DG-PbO2 anode for electrochemical degradation of PFOS
ESR spectra of the free radicals trapped by DMPO in electrochemical oxidation process with Y/3DG-PbO2-15 anode (a), fluorescent spectra of electrolysis solution of 3DG-PbO2(b) and Y/3DG-PbO2-15 (c) anodes, and evolution of •OH radical concentration with electrolysis time for 3DG-PbO2 and Y/3DG-PbO2-15 anodes (e)