fig6
![Photo-coupled electrocatalytic oxygen reduction to hydrogen peroxide using metal-free CNT-threaded oxidized g-C<sub>3</sub>N<sub>4</sub>](https://image.oaes.cc/1a5e196d-ac48-4d66-9ef9-36fb95bf412c/5062.fig.6.jpg)
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.