Table 3 Fitting parameters and relative composition ratios of four nitrogen components in HB-FePc catalysts
Sample | Gaussian width (eV) | N content (at.%) | Binding energy (eV)/(composition ratio, %) | |||
---|---|---|---|---|---|---|
NP1 | NP2 | NP3 | NP4 | |||
HB900 | 1.53 | 0.45 | 398.3 | 400.1 | 401.1 | 403.2 |
(36.3) | (7.4) | (50.8) | (5.5) | |||
HB800 | 1.44 | 0.56 | 398.2 | 400.1 | 401.0 | 403.0 |
(34.4) | (11.1) | (47.6) | (7.0) | |||
HB700 | 1.30 | 2.17 | 398.6 | 400.2 | 401.1 | 403.5 |
(43.9) | (11.9) | (40.7) | (3.5) | |||
HB650 | 1.30 | 2.76 | 398.5 | 400.1 | 401.1 | 403.3 |
(47.7) | (24.8) | (25.5) | (2.0) | |||
HB600 | 1.30 | 3.09 | 398.6 | 399.8 | 400.9 | 403.3 |
(52.6) | (22.9) | (24.0) | (0.5) | |||
HB550 | 1.30 | 4.56 | 398.4 | 399.8 | 400.6 | 403.2 |
(62.1) | (18.5) | (19.0) | (0.4) |