Table 1.
Surface compositions of the different Au flat samples obtained from XPS analysis.
| Samples | Elements line | S2p fitting | C1s fitting | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| O1s | N1s | C1s | S2p | Au4f | 2p3/2 1 | 2p1/2 1 | 2p3/2 2 | S2p1/2 2 | C0 CC | C1 C-O C-N | C2 CON/ C = O | |
| Concentration at% | ||||||||||||
| Au flat | 1.54 (0.5) | − | 34.91 (1.8) | − | 63.55 (1.4) | 97.61 (0.4) | 2.39 (0.4) | − | ||||
| Au+TG | 3.36 (0.6) | − | 40.38 (0.5) | 2.63 (0.1) | 53.65 (0.2) | 54.25 (0.2) | 27.12 (0.1) | 12.43 (0.5) | 6.21 (0.1) | 86.10 (1.1) | 13.91 (1.1) | − |
| Au+TG+MBP | 5.90 (0.3) | 3.93 (0.5) | 42.94 (0.4) | 2.60 (0.4) | 44.64 (0.01) | 74.14 (2.2) | 14.78 (0.9) | 11.08 (1.2) | ||||
(Standard Deviation in brackets).