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