Fig. 4

a CV curves, b LSV curves, c Tafel slope, d Overpotential, e EIS, f Chronoamperometry, g Conductivity, h TOF of rGO, Dy-MOF, Cr-MOF, Dy–Cr-MOF and Dy–Cr-MOF/rGO in basic media.

a CV curves, b LSV curves, c Tafel slope, d Overpotential, e EIS, f Chronoamperometry, g Conductivity, h TOF of rGO, Dy-MOF, Cr-MOF, Dy–Cr-MOF and Dy–Cr-MOF/rGO in basic media.