Structural, Optical and Dielectric Properties of Fe Doped CuO Nanoparticles (original) (raw)

Undoped and Fe doped CuO nanoparticles were prepared by sol-gel method with different concentration (x=0, 0.1, 0.3%) at 300˚C. The obtained nanoparticles were characterised by XRD, SEM with EDAX spectra, UV-Visible, FL and Dielectric properties. XRD pattern exhibit the presence of cupric oxide (CuO) with monoclinic phase. The observed shift in the absorption edge from 204 to 557 nm with (pure CuO) to 1.0eV (CuO: Fe 1%) and 0.9eV (CuO: Fe 3%). From the FL spectra the peak absorbed at 823nm, the band gap is 1.5eV. The dielectric constant and loss decreases with an increasing frequency at room temperature for pure CuO.

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