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Asian Journal of Nanosciences and Materials
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Journal Archive
Volume Volume 2 (2019)
Issue Issue 2, pp. 120-256.
Issue Issue 1, pp. 1-119.
Volume Volume 1 (2018)
Dehno Khalaji, A. (2019). Synthesis, Characterization and Optical Properties of Co3O4 Nanoparticles. Asian Journal of Nanosciences and Materials, 2(Issue 2, pp. 120-256.), 186-190. doi: 10.26655/ajnanomat.2019.3.5
Aliakbar Dehno Khalaji. "Synthesis, Characterization and Optical Properties of Co3O4 Nanoparticles". Asian Journal of Nanosciences and Materials, 2, Issue 2, pp. 120-256., 2019, 186-190. doi: 10.26655/ajnanomat.2019.3.5
Dehno Khalaji, A. (2019). 'Synthesis, Characterization and Optical Properties of Co3O4 Nanoparticles', Asian Journal of Nanosciences and Materials, 2(Issue 2, pp. 120-256.), pp. 186-190. doi: 10.26655/ajnanomat.2019.3.5
Dehno Khalaji, A. Synthesis, Characterization and Optical Properties of Co3O4 Nanoparticles. Asian Journal of Nanosciences and Materials, 2019; 2(Issue 2, pp. 120-256.): 186-190. doi: 10.26655/ajnanomat.2019.3.5

Synthesis, Characterization and Optical Properties of Co3O4 Nanoparticles

Article 5, Volume 2, Issue 2, pp. 120-256., Spring 2019, Page 186-190  XML PDF (798.87 K)
Document Type: Original Article
DOI: 10.26655/ajnanomat.2019.3.5
Author
Aliakbar Dehno Khalaji email
Department of Chemistry, Faculty of Science, Golestan University, Gorgan, Iran.
Receive Date: 11 September 2018,  Revise Date: 24 November 2018,  Accept Date: 06 December 2018 
Abstract
Mononuclear acyclic cobalt(II) complex [CoL](NO3)2, with the L = 3,3ʹ-dimethoxy-2,2ʹ-(propane-1,3-diyldioxy)dibenzaldehyde was synthesized and used as a precursor for preparation of the Co3O4 nanoparticles. The method was based on thermal decomposition of the cobalt(II) complex at 450 ºC for 3 h in air atmosphere. The cobalt oxide nanoparticles were characterized using FT-IR, UV-Vis, XRD, SEM, and TEM techniques. The FT-IR and XRD results revealed that the Co3O4 nanopartcles were pure cubic and single phase. TEM image proved the formation of weakly agglomerated Co3O4 consisted of uniformaly shaped nanoparticles. The average particle size of the obtained Co3O4, derived from transmission electron microscopy data was approximately 17 nm, which is in agreement with that calculated by XRD. In addition, the optical spectrum indicated one direct band gap at 2.3 eV.

Graphical Abstract

Synthesis, Characterization and Optical Properties of Co3O4 Nanoparticles
Keywords
Cobalt(II) complex; Co3O4 nanoparticles; Thermal decomposition; Optical properties
Main Subjects
Inorganic chemistry
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