Experimental Investigation for Exploring the Effect of Ca2+, Dy3+ Doping on the Structural and Optical Properties of ZnO NPs
| Authors | A. Kadari1, M. Cherchab1, V. Dubey2 |
| Affiliations |
1Department of Chemistry, Faculty of Matter Sciences, University of Tiaret, 14000 Tiaret, Algeria 2Department of Physics, Bhilai Institute of Technology, 493661 Raipur, New Raipur, India |
| Е-mail | kadariahmed_14@yahoo.fr |
| Issue | Volume 17, Year 2025, Number 5 |
| Dates | Received 19 August 2025; revised manuscript received 21 October 2025; published online 30 October 2025 |
| Citation | A. Kadari, M. Cherchab, V. Dubey, J. Nano- Electron. Phys. 17 No 5, 05039 (2025) |
| DOI | https://doi.org/10.21272/jnep.17(5).05039 |
| PACS Number(s) | 61.46.Df, 77.84.Bw, 78.67.Bf |
| Keywords | Zinc oxide (10) , Calcium doped ZnO, Dysprosium doped ZnO, Sol-gel (17) , Nanoparticles (70) . |
| Annotation |
Zinc oxide nanoparticles (ZnO NPs) have garnered significant attention from researchers because of their important properties (optical, luminescence, magnetic and electrical properties). Various synthesis methodologies have been documented for crafting of zinc oxide nanoparticles with notable techniques including the co-precipitation method, hydrothermal method, solid state reaction method and sol-gel method. In this present study, pure ZnO, Ca-doped ZnO and Dy-doped ZnO samples were synthesized by sol-gel method. Synthesized nanoparticles were characterized by powder XRD, UV-Vis and FT-IR spectroscopy. The XRD and FT-IR studies of samples confirmed the formation of undoped and doped nanoparticles, with the nanoparticles size calculated using the Debye Scherer’s formula falling within the range of 31 and 40 nm. The direct optical band gap (Eg) and the Urbach energy (EU) were determined through UV-vis transmittance analysis. Optical band gap energy of 3.377 eV was determined for the pure ZnO nanoparticles in this study. Urbach energies (EU) were observed to range 0.175-1.441 eV. The influence of dopants on some physical properties of elaborated ZnO NPs has been thoroughly analyzed and documented in this research paper. |
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List of References |
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