Table 1 The fitted parameters of the TM-doped TiO 2 films determined by the SE spectra
Г(eV) | EOBG(eV) | ϵ ∞ | A0(eV3/2) | df (nm) | ds (nm) | CTM(%) | ||
---|---|---|---|---|---|---|---|---|
Undoped | 0.02 ± 0.01 | 3.58 ± 0.01 | 0.11 ± 0.03 | 136.6 ± 10 | 355 ± 10 | 5 ± 2 | ||
Dopant content | ||||||||
Fe | 0.01 | 0.030 ± 0.01 | 3.56 ± 0.02 | 0.260 ± 0.02 | 132.31 ± 12 | 288 ± 8 | 3 ± 1 | 0.8 |
0.03 | 0.085 ± 0.06 | 3.54 ± 0.02 | 0.087 ± 0.02 | 126.23 ± 20 | 265 ± 6 | 4 ± 2 | 2.7 | |
Ni | 0.01 | 0.035 ± 0.02 | 3.53 ± 0.01 | 0.1 ± 0.04 | 134.48 ± 13 | 233 ± 7 | 3 ± 1 | 0.9 |
0.03 | 0.036 ± 0.03 | 3.50 ± 0.01 | 0.517 ± 0.11 | 128.18 ± 14 | 219 ± 6 | 3 ± 1 | 2.9 | |
Co | 0.01 | 0.042 ± 0.01 | 3.48 ± 0.02 | 0.528 ± 0.10 | 125.11 ± 11 | 215 ± 5 | 3 ± 2 | 0.8 |
0.03 | 0.106 ± 0.04 | 3.43 ± 0.01 | 0.353 ± 0.15 | 118.9 ± 6 | 206 ± 5 | 4 ± 2 | 2.8 |