Fig. 2
From: Y-mediated optimization of 3DG-PbO2 anode for electrochemical degradation of PFOS
(a) XRD patterns of prepared anodes, XPS spectra of Pb 4f for 3DG-PbO2 and Y/3DG-PbO2-15 anodes (b), Y 3d for Y/3DG-PbO2-15 anode (c), and O 1s for 3DG-PbO2(d) and Y/3DG-PbO2-15 (e) anodes