Fig. 6: Evaluation of active species and possible mechanisms in PC-PMS system.

a Comparison of degradation curves under different sacrificial agents; b Corresponding kobs and inhibition rate. The error bars represent the standard deviation derived from three repeated experiments; c–f ESR spectra for active species in the presence of DMPO, TEMP and TEMPO in various systems; g Amperometric i-t curve measurements upon the addition of PMS and IMD using NACN as the working electrode; h ESR spectra upon addition of PMS and IMD, respectively; i Electron transfer pathways induced by external electric field. Source data are provided as a Source Data file.