Synthesis of magnesium-doped ZnO rods via hydrothermal method: A study of the structural and optical properties

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Abstract

Magnesium (Mg) with a concentration range of 1 to 3 at% was successfully doped in zinc oxide (ZnO) and prepared via a hydrothermal process in powder form. X-ray diffraction patterns revealed a polycrystalline nature of the prepared powders. Images taken by a scanning electron microscope showed that the synthesized powders had clear solid hexagonal rod structures. Furthermore, the solid hexagonal structures were hollow because of the Mg ions introduced into the ZnO. The photoluminescence emission of the undoped and Mg-doped ZnO showed an enhancement of the ultraviolet emission with the Mg concentrations. Furthermore, the Gaussian fitting reveals that the UV band emission is consist of two emissions. The first peak was at 3.36 eV for the undoped ZnO that shifts to 3.4 eV, 3.43 eV for the 1 at% Mg and 2 at% Mg concentration, respectively. Thereafter the UV peak position reduced to 3.39 eV for the 3 at% Mg ions concentration. The results were studied, and the correlation of the results was attributed to the doping process.

Original languageEnglish
Pages (from-to)P571-P577
JournalECS Journal of Solid State Science and Technology
Volume6
Issue number9
DOIs
Publication statusPublished - 1 Jan 2017

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Zinc Oxide
Zinc oxide
Magnesium
Structural properties
Optical properties
Powders
Ions
Diffraction patterns
Photoluminescence
Electron microscopes
Doping (additives)
Scanning
X ray diffraction

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

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title = "Synthesis of magnesium-doped ZnO rods via hydrothermal method: A study of the structural and optical properties",
abstract = "Magnesium (Mg) with a concentration range of 1 to 3 at{\%} was successfully doped in zinc oxide (ZnO) and prepared via a hydrothermal process in powder form. X-ray diffraction patterns revealed a polycrystalline nature of the prepared powders. Images taken by a scanning electron microscope showed that the synthesized powders had clear solid hexagonal rod structures. Furthermore, the solid hexagonal structures were hollow because of the Mg ions introduced into the ZnO. The photoluminescence emission of the undoped and Mg-doped ZnO showed an enhancement of the ultraviolet emission with the Mg concentrations. Furthermore, the Gaussian fitting reveals that the UV band emission is consist of two emissions. The first peak was at 3.36 eV for the undoped ZnO that shifts to 3.4 eV, 3.43 eV for the 1 at{\%} Mg and 2 at{\%} Mg concentration, respectively. Thereafter the UV peak position reduced to 3.39 eV for the 3 at{\%} Mg ions concentration. The results were studied, and the correlation of the results was attributed to the doping process.",
author = "Al-Hardan, {Naif H.} and {Abdul Hamid}, {Muhammad Azmi} and {Jalar @ Jalil}, Azman and Roslinda Shamsudin and Othman, {Norinsan Kamil}",
year = "2017",
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T1 - Synthesis of magnesium-doped ZnO rods via hydrothermal method

T2 - A study of the structural and optical properties

AU - Al-Hardan, Naif H.

AU - Abdul Hamid, Muhammad Azmi

AU - Jalar @ Jalil, Azman

AU - Shamsudin, Roslinda

AU - Othman, Norinsan Kamil

PY - 2017/1/1

Y1 - 2017/1/1

N2 - Magnesium (Mg) with a concentration range of 1 to 3 at% was successfully doped in zinc oxide (ZnO) and prepared via a hydrothermal process in powder form. X-ray diffraction patterns revealed a polycrystalline nature of the prepared powders. Images taken by a scanning electron microscope showed that the synthesized powders had clear solid hexagonal rod structures. Furthermore, the solid hexagonal structures were hollow because of the Mg ions introduced into the ZnO. The photoluminescence emission of the undoped and Mg-doped ZnO showed an enhancement of the ultraviolet emission with the Mg concentrations. Furthermore, the Gaussian fitting reveals that the UV band emission is consist of two emissions. The first peak was at 3.36 eV for the undoped ZnO that shifts to 3.4 eV, 3.43 eV for the 1 at% Mg and 2 at% Mg concentration, respectively. Thereafter the UV peak position reduced to 3.39 eV for the 3 at% Mg ions concentration. The results were studied, and the correlation of the results was attributed to the doping process.

AB - Magnesium (Mg) with a concentration range of 1 to 3 at% was successfully doped in zinc oxide (ZnO) and prepared via a hydrothermal process in powder form. X-ray diffraction patterns revealed a polycrystalline nature of the prepared powders. Images taken by a scanning electron microscope showed that the synthesized powders had clear solid hexagonal rod structures. Furthermore, the solid hexagonal structures were hollow because of the Mg ions introduced into the ZnO. The photoluminescence emission of the undoped and Mg-doped ZnO showed an enhancement of the ultraviolet emission with the Mg concentrations. Furthermore, the Gaussian fitting reveals that the UV band emission is consist of two emissions. The first peak was at 3.36 eV for the undoped ZnO that shifts to 3.4 eV, 3.43 eV for the 1 at% Mg and 2 at% Mg concentration, respectively. Thereafter the UV peak position reduced to 3.39 eV for the 3 at% Mg ions concentration. The results were studied, and the correlation of the results was attributed to the doping process.

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