Hydrothermal Synthesis, Structural and Catalytic Studies of CuBi2O4 Nanoparticles

In the present work CuBi2O4 nano-spinel has been synthesized via mild hydrothermal methodat 180°C for 10 h. The synthesized nanomaterials were characterized by several techniquesto emphasis the structure and properties of produced materials. The crystal structure wasinvestigated by X-ray powder diffraction method and the values of the refined unit cell volumeand the structure properties were studied by using the Rietveld analysis is done using Fullprofprogram. The results shew the formation of tetrahedral structure with space group P4/ncc for this sample. Also, the morphologies of the synthesized materials were figured outby field emission scanning electron microscope (FE-SEM). According to the FESEM images,several nano cubic form of particles grew on micro spherical particles. As well, the catalyticperformance of obtained CuBi2O4 was studied in Biginelli reaction. The reaction conditions ofthis study optimized by experimental design method. This experiment stablished high catalyticperformance of copper bismuth oxide in compare with some other metal oxide catalysts. Also,the results shew this product is reusable homogenous catalyst.