OI and OII belong to the surface adsorbed water molecules or oxygen in the hydroxyl group. The binding energy peak of lattice oxygen (OIII) at 529.88eV is the characteristic peak of Co3O4, which further confirms the existence of Co3O4.
OI and OII belong to surface adsorption of water molecules or oxygen in hydroxyl. The combined energy peak of lattic oxygen (OIII) at 529.88eV is the characteristic peak of Co3O4, which further confirms the existence of Co3O4.
OI and oii belong to water molecules or oxygen in hydroxyl groups adsorbed on the surface. The binding energy peak of oiii at 529.88ev is the characteristic peak of Co3O4, which further confirms the existence of Co3O4.<br>