Fig. 2: The pH dependency for HER.

The jH2 for Au (a), Ag (b), Sn (c), and In (d) catalysts in electrolytes with different pH. Error bars are means ± standard deviation (n = 3 replicates).

The jH2 for Au (a), Ag (b), Sn (c), and In (d) catalysts in electrolytes with different pH. Error bars are means ± standard deviation (n = 3 replicates).