Synthesis of iron(II,III) oxide/zinc oxide/copper(II) oxide (Fe3O4/ZnO/CuO) nanocomposites and their photosonocatalytic property for organic dye removal

Ardiansyah Taufik, Rosari Saleh

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

A facile sol-gel method was adopted to synthesize iron(II,III) oxide/zinc oxide/copper(II) oxide (Fe3O4/ZnO/CuO) nanocomposites with various CuO loadings at a low temperature. The prepared nanocomposites were characterized by X-ray diffraction, field-emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy, UV–Vis spectroscopy, vibrating sample magnetometry, and Brunauer-Emmett-Teller (BET) surface area analyses. The photosonocatalytic properties of the nanocomposites were tested by methylene blue removal in aqueous solutions under the combination of UV or visible light and ultrasound. The catalyst with the lowest CuO loading exhibited the highest photosonocatalytic performance under UV light, while the fastest degradation under visible light was achieved at the highest CuO loading. Overall, the photosonocatalytic process with light and ultrasound irradiation led to more complete degradation compared to using light alone. According to the experiments performed with radical scavengers, the holes and OH radicals are the dominant oxidative species. The nanocomposites can be easily separated from the treated solution using an external magnetic field, and the samples remain very stable after 4 cycles. These results indicate that these materials have great potential for treating organic pollutants in wastewaters.

Original languageEnglish
Pages (from-to)27-36
Number of pages10
JournalJournal of Colloid and Interface Science
Volume491
DOIs
Publication statusPublished - 1 Apr 2017

Fingerprint

Zinc Oxide
Copper oxides
Zinc oxide
Nanocomposites
Coloring Agents
Iron
Dyes
Oxides
Ultrasonics
Degradation
Organic pollutants
Methylene Blue
Ultraviolet radiation
Field emission
Sol-gel process
Wastewater
Irradiation
Spectroscopy
Magnetic fields
Transmission electron microscopy

Keywords

  • Magnetite
  • Photosonocatalytic
  • Stability
  • ZnO/CuO

Cite this

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title = "Synthesis of iron(II,III) oxide/zinc oxide/copper(II) oxide (Fe3O4/ZnO/CuO) nanocomposites and their photosonocatalytic property for organic dye removal",
abstract = "A facile sol-gel method was adopted to synthesize iron(II,III) oxide/zinc oxide/copper(II) oxide (Fe3O4/ZnO/CuO) nanocomposites with various CuO loadings at a low temperature. The prepared nanocomposites were characterized by X-ray diffraction, field-emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy, UV–Vis spectroscopy, vibrating sample magnetometry, and Brunauer-Emmett-Teller (BET) surface area analyses. The photosonocatalytic properties of the nanocomposites were tested by methylene blue removal in aqueous solutions under the combination of UV or visible light and ultrasound. The catalyst with the lowest CuO loading exhibited the highest photosonocatalytic performance under UV light, while the fastest degradation under visible light was achieved at the highest CuO loading. Overall, the photosonocatalytic process with light and ultrasound irradiation led to more complete degradation compared to using light alone. According to the experiments performed with radical scavengers, the holes and OH radicals are the dominant oxidative species. The nanocomposites can be easily separated from the treated solution using an external magnetic field, and the samples remain very stable after 4 cycles. These results indicate that these materials have great potential for treating organic pollutants in wastewaters.",
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author = "Ardiansyah Taufik and Rosari Saleh",
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AB - A facile sol-gel method was adopted to synthesize iron(II,III) oxide/zinc oxide/copper(II) oxide (Fe3O4/ZnO/CuO) nanocomposites with various CuO loadings at a low temperature. The prepared nanocomposites were characterized by X-ray diffraction, field-emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy, UV–Vis spectroscopy, vibrating sample magnetometry, and Brunauer-Emmett-Teller (BET) surface area analyses. The photosonocatalytic properties of the nanocomposites were tested by methylene blue removal in aqueous solutions under the combination of UV or visible light and ultrasound. The catalyst with the lowest CuO loading exhibited the highest photosonocatalytic performance under UV light, while the fastest degradation under visible light was achieved at the highest CuO loading. Overall, the photosonocatalytic process with light and ultrasound irradiation led to more complete degradation compared to using light alone. According to the experiments performed with radical scavengers, the holes and OH radicals are the dominant oxidative species. The nanocomposites can be easily separated from the treated solution using an external magnetic field, and the samples remain very stable after 4 cycles. These results indicate that these materials have great potential for treating organic pollutants in wastewaters.

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