Fig. 6: Electrochemical HER performance of AC-Ir NSs. | Nature Communications

Fig. 6: Electrochemical HER performance of AC-Ir NSs.

From: In-plane strain engineering in ultrathin noble metal nanosheets boosts the intrinsic electrocatalytic hydrogen evolution activity

Fig. 6

a Polarization curves, (b) The corresponding Tafel plots, (c) Comparison of the overpotential at 10 mA cm−2 (left axis) and exchange current densities (right axis) and (d) Mass activity at an overpotential of 50 mV (vs. RHE) of AC-Ir NSs, C-Ir NSs, A-Ir NSs and Pt/C, respectively. e Comparison of the overpotential at 10 mA cm−2 for AC-Ir NSs, Pt/C and recently reported HER catalysts40,41,42,43,44,45,46,47,48,49. f TOF values of AC-Ir NSs, C-Ir NSs, Pt/C and recently reported HER catalysts39,40,42,50,51,52,53. g Polarization curves of AC-Ir NSs before and after 20,000 cycles and (h) Chronoamperometry measurement at an overpotential of 17 mV (vs. RHE) of AC-Ir NSs.

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