Fig. 5: Theoretical investigation of HER of MX2 NRs. | Nature Communications

Fig. 5: Theoretical investigation of HER of MX2 NRs.

From: Longitudinal unzipping of 2D transition metal dichalcogenides

Fig. 5

a Calculated Gibbs free energy diagram for hydrogen binding at the basal plane and edge sites of 1T′ MX2 systems at equilibrium potential (U = 0 V). b Volcano plot of the exchange current density vs. free energy for atomic hydrogen binding at MX2 NRs and pure metal catalysts. Exchange current density of MX2 NRs is normalized with the atomic site density of Pt for comparison.

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