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Table 2 Fitting parameters and relative composition ratios of four nitrogen components in FePc/PhRs catalysts

From: Active site formation mechanism of carbon-based oxygen reduction catalysts derived from a hyperbranched iron phthalocyanine polymer

Sample Gaussian width (eV) N content (at.%) Binding energy (eV)/(composition ratio, %)
    NP1 NP2 NP3 NP4
Fe800 1.72 0.64 398.5 400.2 401.1 403.6
(46.2) (3.2) (46.5) (4.1)
Fe700 1.42 0.56 398.4 400.2 401.0 403.1
(38.9) (9.7) (45.1) (6.3)
Fe600 1.15 2.80 398.6 400.1 401.0 403.4
(59.0) (19.6) (19.5) (1.9)
Fe550 1.09 4.72 398.7 399.9 401.7 403.5
(70.3) (15.5) (13.0) (1.2)
Fe500 1.15 6.83 398.6 399.9 400.7 403.4
(68.7) (16.1) (13.7) (1.5)
FePc/PhRs 0.79 399.1 - - -
    (100.0) (0.0) (0.0) (0.0)