Comparative Study in the Optical Bandgaps of Cadmium Copper Oxide and Strontium Copper Oxide Nanocomposites.

Nanoparticles of Cadmium Oxide (CdO), Copper Oxide (CuO), Strontium Oxide (SrO) along with the nanocomposites of Cadmium Copper Oxide (CdO/CuO) as well as Strontium Copper Oxide (SrO/CuO) were synthesized by chemical co-precipitation method. The samples annealed at 800ºC were used for structural and optical studies. Scherrer equation was used to calculate the average particle size of the synthesized nano samples. The optical characterizations of the metal oxide nano samples were carried out by UV/Visible analysis. From the analysis of the absorption spectra, the optical bandgap of the nano samples were calculated in detail. Copper oxide planes are found to be common for both Cadmium Copper Oxide and Strontium Copper Oxide nanocomposites. [ABSTRACT FROM AUTHOR]