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. 2021 Jun 1;12:3264. doi: 10.1038/s41467-021-23582-2

Fig. 3. Potential-dependent SHINER spectra on Cu MPs at different electrolyte pH.

Fig. 3

SHINER spectra on Cu MPs in a 0.3 M NaH2PO4 + 0.35 M Na2HPO4 (pH 7.2); b 0.1 M NaOH + 0.9 M NaClO4 (pH 12.9) at potentials indicated in the figure. The spectra were collected at constant potentials with 0.1 V vs. SHE intervals in the cathodic direction from the OCP to −1.3 V vs. SHE and c SHINER spectra on Cu MPs at −0.8 V vs. SHE in the electrolytes switching from 12.9 to 7.2.