fig5
Figure 5. (A) In situ Raman spectra of Mn-VS2 at various potentials in 1 M KOH solution; (B) Formation energy of sulfur vacancies in VS2 and Mn-VS2; (C) Differential charge density maps of VS2 and Mn-VS2; (D) Free energy diagrams of VS2 and Mn-VS2 during the HER reaction; (E) DOS diagram of VS2 and (F) Mn-VS2. DOS: Density of states; HER: hydrogen evolution reaction.
