fig1
From: Dealloying-derived Fe-doped Ni(OH)2/Ni foils as self-supported oxygen evolution reaction catalysts
Figure 1. XRD patterns of (A) Ga-Ni alloy foil annealed at 150, 200, and 250 °C for 3 h, (B) Ga-Ni alloy foil annealed at 200 °C for 1, 3, and 6 h and dealloyed Ga-Ni alloy foil in 2 M NaOH, (C) D-Ni/150-3, D-Ni/200-3 and D-Ni/250-3 and (D) D-Ni/200-1, D-Ni/200-3 and D-Ni/200-6. XRD: X-ray diffraction.
