Table 2 The atomic percentages of Fe, O, Ni and Cl from XPS measurement and the molar ratio of Ni2O3/FeCl3
From: The dependence of Ni-Fe bioxide composites nanoparticles on the FeCl2solution used
Fe | O | Ni | Cl | Fe : Ni : Cl | Ni2O3/ FeCl3 | |||
|---|---|---|---|---|---|---|---|---|
(1) | 13.79 | 72.50 | 8.56 | 5.15 | 1 | 0.62 | 0.37 | 1/0.40 |
(2) | 15.48 | 74.94 | 5.88 | 4.58 | 1 | 0.38 | 0.30 | 1/0.53 |
(3) | 19.21 | 71.06 | 4.15 | 5.58 | 1 | 0.22 | 0.29 | 1/0.89 |
(4) | 16.74 | 75.45 | 3.11 | 4.70 | 1 | 0.19 | 0.28 | 1/1.02 |
(5) | 18.71 | 67.21 | 1.84 | 12.25 | 1 | 0.10 | 0.65 | |