“…A variety of methods have been applied to fabricate ceria nanoparticles such as hydrothermal synthesis [18,[44][45][46], reversed micelles route [47], coprecipitation [16,4,48], forced hydrolysis [49], an electrochemical method [50], solvothermal synthesis [51], sol-gel process [52,53], pyrolysis [54], sonochemical [55,56], and microwave [57][58][59].…”