Table 4 Electrochemical parameters obtained from polarization plots and corresponding inhibition efficiency for carbon steel in the absence and presence of IL-CDs at different concentrations.
From: Ionic liquid-assisted biomass-derived N, S-doped carbon dots with enhanced corrosion inhibition
IL-CDs (mg/L) | Ecorr (V/SCE) | βc (mV dec−1) | βa (mV dec−1) | icorr (μA cm−2) | IE (%) |
|---|---|---|---|---|---|
0 | − 0.461 | − 7.394 | 9.139 | 2013.0 | – |
15 | − 0.463 | − 6.758 | 9.732 | 1760.0 | 12.5 |
75 | − 0.468 | − 6.675 | 11.392 | 707.3 | 64.9 |
100 | − 0.469 | − 6.825 | 11.922 | 579.7 | 71.2 |
150 | − 0.469 | − 6.768 | 12.391 | 484.6 | 75.9 |