fig12
Figure 12. In situ Raman spectroscopy of FePc/C during ORR in (A) acid solution and (B) alkaline solution. These figures are quoted with permission from Wei et al.[119]. (C) ORR mechanism at fourfold coordination FeN4C8 and fivefold coordination FeN4C8. This figure is quoted with permission from Nematollahi et al.[121].
