Structural, Optical, Morphological and Thermal Properties of CuO Nanoparticles Prepared by Sol-gel Technique
| Authors | S.C. Vella Durai1 , R. Ganapathi Raman2, E. Kumar3, D. Muthuraj4 |
| Affiliations |
1 Department of Physics, JP College of Arts and Science, Agarakattu, Tenkasi, Tamil Nadu, India 2 Department of Physics, Noorul Islam University, Kumaracoil, Nagarcoil, Tamilnadu, India 3 School of Science, Tamil Nadu Open University, Chennai, Tamil Nadu, India 4 PG and Research Department of Physics, M.D.T Hindu College, Tirunelveli, Tamil Nadu, India |
| Е-mail | |
| Issue | Volume 11, Year 2019, Number 5 |
| Dates | Received 31 May 2019; revised manuscript received 08 October 2019; published online 25 October 2019 |
| Citation | S.C. Vella Durai, R. Ganapathi Raman, E. Kumar, D. Muthuraj, J. Nano- Electron. Phys. 11 No 5, 05011 (2019) |
| DOI | https://doi.org/10.21272/jnep.11(5).05011 |
| PACS Number(s) | 61.46.Df, 65.40.De, 78.40.–q |
| Keywords | Nanoparticles (70) , Precipitation (8) , Wavelength, Thermal (53) , Optical (70) . |
| Annotation |
This article aims to report an environmental friendly preparation technique of copper oxide nano-particles, their structural and morphological properties, and band gap energy analysis. Copper oxide (CuO) nanosize particles are prepared by sol-gel route. Powder X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, UV-visible absorbance spectra and thermal spectra are used to analyze the nanoparticles. Powder XRD analysis showed that monoclinic structure with excellent crystallite size and d-spacing distance was found. FTIR spectral results confirmed the presence of the Cu-O bands in prepared nanoparticles. Morphology of the samples indicates and confirms the random spherical shape of nanoparticles. Prepared CuO particles show that a color change occurs in synthesis and confirm its respective peaks at 253 nm, which were analyzed through UV-Vis spectroscopy. The band gap is determined equal to 1.3 eV. The exothermic and endothermic processes of prepared nanoparticles were investigated by TG/DTA experiments. |
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