Insights into the Synthesis Parameters Effects on the Structural, Morphological, and Magnetic Properties of Copper Oxide Nanoparticles

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Fatma Mbarek
  • Ichraf Chérif
  • Amira Chérif
  • José María Alonso
  • Irene Morales
  • Patricia de la Presa
  • Salah Ammar

External Research Organisations

  • University of Gabes
  • Université Virtuelle de Tunis (UVT)
  • University of Tunis El-Manar
  • Complutense University of Madrid (UCM)
  • Spanish National Research Council (CSIC)
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Details

Original languageEnglish
Article number3426
Number of pages16
JournalMATERIALS
Volume16
Issue number9
Early online date27 Apr 2023
Publication statusPublished - May 2023
Externally publishedYes

Abstract

The present study aims at the integration of the “oxalic conversion” route into “green chemistry” for the synthesis of copper oxide nanoparticles (CuO-NPs) with controllable structural, morphological, and magnetic properties. Two oxalate-containing precursors (H 2C 2O 4.2H 2O and (NH 4) 2C 2O 4.H 2O) and different volume ratios of a mixed water/glycerol solvent were tested. First, the copper oxalates were synthesized and then subjected to thermal decomposition in air at 400 °C to produce the CuO powders. The purity of the samples was confirmed by X-ray powder diffraction (XRPD), and the crystallite sizes were calculated using the Scherrer method. The transmission electron microscopy (TEM) images revealed oval-shaped CuO-NPs, and the scanning electron microscopy (SEM) showed that morphological features of copper oxalate precursors and their corresponding oxides were affected by the glycerol (V/V) ratio as well as the type of C 2O 4 2− starting material. The magnetic properties of CuO-NPs were determined by measuring the temperature-dependent magnetization and the hysteresis curves at 5 and 300 K. The obtained results indicate the simultaneous coexistence of dominant antiferromagnetic and weak ferromagnetic behavior.

Keywords

    CuO nanoparticles, magnetic properties, oxalate precursor route, TEM and SEM observations, X-ray powder diffraction

ASJC Scopus subject areas

Cite this

Insights into the Synthesis Parameters Effects on the Structural, Morphological, and Magnetic Properties of Copper Oxide Nanoparticles. / Mbarek, Fatma; Chérif, Ichraf; Chérif, Amira et al.
In: MATERIALS, Vol. 16, No. 9, 3426, 05.2023.

Research output: Contribution to journalArticleResearchpeer review

Mbarek F, Chérif I, Chérif A, Alonso JM, Morales I, Presa PDL et al. Insights into the Synthesis Parameters Effects on the Structural, Morphological, and Magnetic Properties of Copper Oxide Nanoparticles. MATERIALS. 2023 May;16(9):3426. Epub 2023 Apr 27. doi: 10.3390/ma16093426
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abstract = "The present study aims at the integration of the “oxalic conversion” route into “green chemistry” for the synthesis of copper oxide nanoparticles (CuO-NPs) with controllable structural, morphological, and magnetic properties. Two oxalate-containing precursors (H 2C 2O 4.2H 2O and (NH 4) 2C 2O 4.H 2O) and different volume ratios of a mixed water/glycerol solvent were tested. First, the copper oxalates were synthesized and then subjected to thermal decomposition in air at 400 °C to produce the CuO powders. The purity of the samples was confirmed by X-ray powder diffraction (XRPD), and the crystallite sizes were calculated using the Scherrer method. The transmission electron microscopy (TEM) images revealed oval-shaped CuO-NPs, and the scanning electron microscopy (SEM) showed that morphological features of copper oxalate precursors and their corresponding oxides were affected by the glycerol (V/V) ratio as well as the type of C 2O 4 2− starting material. The magnetic properties of CuO-NPs were determined by measuring the temperature-dependent magnetization and the hysteresis curves at 5 and 300 K. The obtained results indicate the simultaneous coexistence of dominant antiferromagnetic and weak ferromagnetic behavior.",
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