Fig. 6: Operando EXAFS measurements of HER behaviors in various electrolytes.
From: Operando elucidation of hydrogen production mechanisms on sub-nanometric high-entropy metallenes

a, b Operando EXAFS spectra of Pd and Rh at different potentials in 0.5 M H2SO4 without phase correction. c, d Operando EXAFS spectra of Pd and Rh at varied potentials in 1.0 M KOH without phase correction. e, f Operando EXAFS spectra of Pd and Rh at applied potentials in 1.0 M PBS without phase correction. g The structural change of Pd-M and Rh-M in FT magnitude relative to the OCP state in various electrolytes. h Schematic illustration of multi-site synergistic mechanisms for HER in various electrolytes.