Abstract
Undoped and Mg doped CuO wire like nano structure were successfully synthesized in PVP by using Quick Precipitation method at a low reaction temperature (600 C) in the absence of a templates and additives. In this work, Copper acetate, PVP, NaOH, Magnesium chloride were used as copper precursor, stabilizer, accelerator and dopant (2, 5 wt %) respectively. XRD (X-ray diffraction), UV–vis spectroscopy, FE-SEM (Field Emission Scanning Electron Microscopy) and EDAX (Energy Dispersive Analysis of X-rays ) analysis are done for structural, optical, surface morphological, and compositional analysis. The XRD analysis revealed that there was a slight change in crystallite size which occurred with increasing concentration of Mg. The measurement of optical absorption spectra indicates that band gap shift with different percentage of Mg. The FE-SEM image reveals that the particles appear to be almost wire like in shape. The result of the EDAX confirmed the formation of CuO and CuO: Mg composition. Due to the excellent structural and optical properties of CuO nanoparticles have wide range of applications in gas sensors, solar cell etc.
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