A single atom Ir doped heterophase of a NiMoP-NiMoPxOy ultrathin layer assembled on CNTs-graphene for high-performance water splitting

Rationally designed bifunctional electrocatalyst, Ir-NiMoP-NiMoP x O y /CNTs-Gr/Cu, required only 1.47 V at 10 mA cm −2 for overall water splitting with outstanding stability after 150 h.