SYNTHESIS OF PURE AND MANGANESE DOPED ZINC OXIDE NANOPARTICLES BY A SOLUTION GROWTH TECHNIQUE: STRUCTURAL AND OPTICAL INVESTIGATION†
No Thumbnail Available
Date
2023-09
Journal Title
Journal ISSN
Volume Title
Publisher
Periodicals.karazin.ua
Abstract
Pure and manganese doped zinc oxide nanoparticles have been successfully synthesized over the composition range, Zn1-xMnxO
(0<x<0.5), by a solution growth process. The effect of Mn doping on the structure, morphology and optical properties were investigated
by several techniques. X-Ray diffraction studies confirmed the formation of a single-phase polycrystalline hexagonal wurtzite structure
of ZnO within the range, 0 < x < 0.3. No Mn related secondary phases were detected, within this range, which could be attributed to
the fact that the dopant atoms had been well incorporated into the ZnO crystal lattice. For Zn1-xMnxO (x = 0.5), several low intensity
peaks belonging to remnants of Manganese acetate were observed in the diffractogram, establishing a solubility limit for the synthesis
technique used. The variation of d-spacing with Mn percent doping showed a very good agreement with Vergard’s law within the
range (0<x<0.25). EDAX analysis of the nanoparticles was consistent with the formation of Mn doped ZnO. The optical band gap of
the ZnO nanoparticles decreased linearly with increasing Mn percent doping, suggesting the possibility of tuning the band gap of ZnO
by doping with Mn.
Description
This article is published by perodicals.karazin.ua, 2023 and is also available at https://doi.org/10.26565/2312-4334-2023-4-13
Keywords
Citation
EAST EUROPEAN JOURNAL OF PHYSICS. 4. 129-136 (2023)