MUltiwalled carbon nanotubes (MWNTs) coated with CeO, and SnO2) nanoparticles were successfully prepared by microwave-polyol process. The samples are characterized by XRD.. TEM, HRTEM, and UV-vis analysis. SnO2 and CeO2 nanoparticles are homogeneously distributed on the wall of the MWNTs.