fig18

Figure 18. (A-D) Electrochemical HER measurements of MoP, MoP₂, and Pt under (A and B) neutral and (C and D) acidic conditions. (E) Overpotential at 10 mA cm^-2 (η₁₀) and Tafel slope of multiple Pt films and MoP₂ nanosheets before and after 5 HER cycling tests. (F) Stability tests of MoP₂ and Pt, This figure is adapted with permission^[135], Copyright © 2025 Wiley-VCH Verlag.