Abstract
In this study, Copper (II) Oxide (CuO) and Cerium doped CuO nanoparticles were synthesized via combustion technique. The samples were studied for their structural, vibrational, morphological and optical properties using X-Ray diffraction (XRD), Raman spectroscopy, Field emission scanning electron microscopy (FESEM) and Diffuse reflectance studies (UV- DRS) techniques, respectively. XRD studies revealed that, on increasing doping concentration the diffraction peak becomes broader and the particle size changes from 22 nm to 15 nm. The red shift in Ag mode of CuO points out the successful doping of Cerium (Ce) in the CuO lattice. The change in morphology of the samples from spherical to dumbbell shape with increased doping concentration have been found from FESEM studies. The obtained optical band gap Eg was found to be increasing from 1.2eV to 1.3eV with increasing concentration of dopant.
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