Synthesis and characterization of nano-oxide (Co3O4)And(CeO2) using precursor[(phen)2(OH2)Co(μ-SCN)Ce(μ-SCN)(SCN)4Co(OH2)(Phen)2]NO3

The hetero nuclear complex, [(phen)2(OH2)CO(μ-SCN)Ce(μ-SCN)(SCN)4CO(OH2)(Phen)2]NO3 (1) (phen = 1,10-phenanthroline and SCN= thiocyanato ) has been prepared in aqueous solution at room temperature. This complex was purified and characterized by FT-IR , UV-Vis and atomic absorption spectroscopes.The purpose of this research, synthesis of triple-core complex Co(ІІ) and Ce(ІIІ) with SCN and Phen as ligand. The linear thiocyanate group can as a ligand a monodentate ligand coordinated to sulfur or nitrogen, or a bridging ligand. This complex characterized using FT-IR, UV-Vis spectroscopy and cyclic voltammetry (CV) method for electrochemical studies. To prepare nano-oxide , amount of compound (1) was placed in a furnace with a temperature of 1000. After calcination of this compound, sample studied using XRD and SEM techniques. Particle size was measured from the XRD data based on Debye- Scherrer¼equation. The X-ray diffraction patterns revealed that, highly pure and crystallized Co-Ce nano-oxide as (Co3O4)And(CeO2) formula with Rhombohedral phases in 1000°C, with an average particle size of about less than 100nm for both nano-oxide. SEM figure show that the particles have same morphology with a uniform porous surface[1].