Generation of Co3O4 microparticles by solution combustion method and its Zn-Co3O4 composite thin films for corrosion protection

► Synthesis of pseudo-cubic Co3O4 microparticles by solution combustion method. ► As-prepared Co3O4 compounds are calcined and structurally characterized. ► Prepared Co3O4 are utilized for the fabrication of Zn-Co3O4 composite thin films.