Versatile Co3O4 nanocubes were prepared by a solvothermal route with subsequent calcinations.
Co3O4 nanocubes presented good electrochemical property in 0.1 mol L−1 KOH solution.
Co3O4 nanocubes owned excellent photocatalytic activity for the degradation of some organic dyes.
Co3O4 nanocubes showed outstanding catalytic ability for the thermal decomposition of NH4ClO4.