fig6
Figure 6. A: EIS and B: LSV measurements at 50 mV/s under light and dark for OCN-200/CNTs-18h. C: Corresponding Tafel plots. D: ORR polarization curves at 100 mV/s of OCN-200/CNTs-18h under light and dark before and after 1000 cycles in O2-saturated 0.5 M NaSO4.
