确实差别很大。。而且你这个衬度确实不像碳
测了XPS,数据如下
| Element | Area | Sensitivity | Concentration |
| | (cts-eV/s) | Factor | (%) |
|---------|---------------|---------------|---------------|
| C1s | 314 | 5.214 | 2.49 |
| O1s | 19754 | 13.099 | 62.28 |
| N1s | 0 | 8.570 | 0.00 |
| Si2p | 4964 | 5.818 | 35.23 |