Figure 8.
The effect of BDD surface rehydrogenation in plasma: (a) CV studies after various durations of oxidation. A scan rate of 50 mV/s. Electrolytic solution: 0.5 M Na2SO4 with 2.5 mM K3[Fe(CN)6] and 2.5 mM K4[Fe(CN)6]; (b–d) exemplary results for electrodes after 30 min oxidation followed by rehydrogenation: (b) SSRM map, (c) contact angle analysis, and (d) high-resolution XPS C1s spectrum.