Abundance ratios of the Si oxidation states present in the SiOx/C-rGO, calculated by curve fitting of the Si 2p spectra.
| Sample | Si4+ (%) | Si3+ (%) | Si2+ (%) | Si+ (%) |
|---|---|---|---|---|
| SiOx/C-rGO-2 | 31.39 | 20.19 | 42.88 | 5.54 |
| SiOx/C-rGO-0 | 17.63 | 82.37 | 0 | 0 |
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