Fig. 3From: Highly Active and Stable Fe-N-C Oxygen Reduction Electrocatalysts Derived from Electrospinning and In Situ PyrolysisXRD and Raman spectra of FN-800 (a, top and a, down). N2 sorption isotherms and of FN-800 (b, the inset corresponds to pore diameter distribution). XPS spectra of FN-800: survey (c), C 1s (d), N 1s (e), and (f) Fe 2pBack to article page