Table 2.
A Comparison study of C 1s, N 1s and O 1s core-level peaks and deconvolution of their components for the triglycine/pyrite system under different environmental conditions (UHV, solution and solution after UV).
| UHV Conditions | Solution | Solution after UV | ||||
|---|---|---|---|---|---|---|
| BE (eV) | Assignment | BE (eV) | Assignment | BE (eV) | Assignment | |
| C 1s | 285.8 | C-N | 284.9 | C-H + air | 284.9 | C-H + air |
| 287.7 | -NH-CO- | 286.6 | C-N + -NH-CO- | 286.5 | C-N + -NH-CO- | |
| 289.2 | COOH or COO− | 288.7 | COOH or COO− | 288.5 | COOH or COO− | |
| O 1s | 531.8 | COO− + -NH-CO- | 531.2 | COO− + -NH-CO- | 531.4 | COO− + -NH-CO- |
| 532.2 | air | 532.5 | air | |||
| N 1s | 400.0 | NH2 + -NH-CO- | 400.2 | NH2 + -NH-CO- | 399.8 | NH2 + -NH-CO- |
| 402.0 | NH3+ | |||||