Solvothermal Synthesis and Characterization of Bi2O3Nanoparticles

In this paper,bi smuth oxide (Bi2O3)nanoparticleswere fabricated by a facilesolvothermal process with the presence of ethylene glycol and further calcination. Theresultant products were characterised by thermogravimetric analysis, powder X-ray diffraction, scanning electronmicroscope. The results show that bismuth oxide nanoparticleswith a diameter ofabout 50-100 nm were prepared using ethylene glycolandethyl alcohol as solvent, the solvothermal reaction took place at 120 degrees Cin 10 h. The increaseof annealing temperatures lead to thetransformation from tetragonal phase to monoclinic phase of bismuth oxides, and the phenomenon of agglomeration was observed, with particle size increased as well. Bismuth oxide nanoparticles annealed at 300 degrees Cand 350 degrees Ccontain thehighest intensity of tetragonal and monoclinicphaseof bismuth oxides.