Figure 3
From: High Performance Fe- and N- Doped Carbon Catalyst with Graphene Structure for Oxygen Reduction

The high resolution XPS spectra of N1s (a) and Fe 2p (b) of Fe-PANI/C-Mela catalyst.
From: High Performance Fe- and N- Doped Carbon Catalyst with Graphene Structure for Oxygen Reduction
The high resolution XPS spectra of N1s (a) and Fe 2p (b) of Fe-PANI/C-Mela catalyst.