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Cited by 10ZnO doping and propertiesAdvanced Photocatalysis TechniquesLaser-Ablation Synthesis of Nanoparticles

A simple synthesis of ZnO:Co2O3 nanocomposites by pulsed laser irradiation in liquid

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Kanakkillam, Sreed Sharma, Krishnan, Bindu, Avellaneda, David Avellaneda, Shaji, Sadasivan·2020·Materials Today: Proceedings
DOI 10.1016/j.matpr.2020.08.533PMC PMC7513878
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Abstract

Nanocomposite materials are emerging in popularity due to their enhanced performance over the constituent materials. In this work, we report the fabrication of zinc oxide: cobalt oxide nanocomposites in a simple, fast and room temperature synthesis with good productivity. The nanocomposites synthesized were characterized by SEM, XPS and UV-Visible spectroscopy to analyze their morphology, composition, chemical states, optical absorption, band gap etc. The nanocolloids of the composite were drop casted to form thin films for photocatalytic studies. In SEM analysis, the morphological transformation of the material is observed where it transformed from agglomerated spherical particles to petals shaped and then to partially spherical forms due to pulsed laser irradiation. XPS analysis showed a gradual change in oxygen high resolution spectra in the samples with respect to the concentration difference of cobalt oxide. The optical studies show an enhanced absorption in visible region for the nanocomposite and the energy band gap reduced to 2.4 eV. All the thin films of nanocomposite showed photocatalytic decay of methylene blue dye under visible light irradiation. The results of this study support the effective use of laser irradiation in liquid to obtain nanocomposites of metal oxides for photocatalytic applications.

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Cited by

Sorted by citations

Authors
Kanakkillam, S. S., Krishnan, B., Avellaneda, D. A., & Shaji, S.
Affiliations
Universidad Autónoma de Nuevo León (MX)
Corresponding author
Shaji, Sadasivan
ORCID
Venue
Materials Today: Proceedings
Publisher
Elsevier BV
Published
2020
Volume
33
Pages
1444-1452
ISSN
2214-7853 (ISSN-L)
DOI
10.1016/j.matpr.2020.08.533
PMC
PMC7513878
OpenAlex
W3088175719
Cited by
10
References
1
Citations by year
2026: 2 · 2025: 1 · 2024: 4 · 2022: 1 · 2021: 2
FWCI
0.29
Type
journal article
Language
en
Open access
Licence
Locations
  • Materials Today Proceedings (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • El Repositorio Academico Digital de la UANL (Universidad Autónoma de Nuevo León) (submittedVersion)
Funders
  • Consejo Nacional de Ciencia y Tecnología
  • Universidad Autónoma de Nuevo León
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › ZnO doping and properties
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Advanced Photocatalysis Techniques
  • Physical Sciences › Engineering › Biomedical Engineering › Laser-Ablation Synthesis of Nanoparticles
Keywords
zinc oxide, cobalt oxide, room-temperature synthesis, metal oxide nanocomposites, nanocolloids, thin films, photocatalytic degradation, methylene blue, visible light photocatalysis, band gap narrowing, optical absorption, morphological transformation

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