Hydrothermal Synthesis and Characterization of PEG Stabilized Co3O4 nanoparticles

Polyethylene glycol stabilized Cobalt oxide, (Co3O4), nanoparticles were prepared via simple, one-step, inexpensive hydrothermal method. In this process, polyethylene glycol was used as a solvent and surfactant; gaseous NH3 was used as an alkalinity additive. Investigation of the structural, morphological, thermal, and magnetic properties were carried out using X-ray diffraction (XRD), infrared spectroscopy (FT-IR), transmission electron spectroscopy (TEM), thermal analysis (TGA), and vibrating sample magnetometer (VSM), respectively. The nanocrystalline nature of the sample was confirmed by XRD and TEM. FT-IR measurement revealed that the O from C-O coordinates with the surface of Co3O4 NP's. Room temperature VSM measurement showed the ferromagnetic behavior of the product.