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Exploring the photocatalytic efficacy of core–shell CeO2/TiO2 nanocomposite synthesized via solution combustion synthesis

  • Fathima Khyrun Muhammad ORCID logo and Jegatha Christy Arulanandam EMAIL logo
Published/Copyright: August 20, 2024
Zeitschrift für Physikalische Chemie
From the journal Zeitschrift für Physikalische Chemie Volume 239 Issue 6

Abstract

This study investigates the photocatalytic efficacy of core–shell CeO2/TiO2 nanocomposite (CT-NC) synthesized via solution combustion synthesis. Various characterization techniques including X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), UV–visible spectroscopy (UV), photoluminescence spectroscopy (PL), Raman spectroscopy, field emission scanning electron microscopy (FESEM) along with energy-dispersive spectroscopy (EDS) analysis and high-resolution transmission electron microscopy with selected area electron diffraction (HRTEM-SAED) were employed to analyze the nanomaterials. XRD pattern confirmed the realization of cubic and tetragonal phases of CeO2 and TiO2. The vibrational modes observed below 800 cm−1 confirmed the metal-oxygen bonds of the synthesized samples. The energy bandgap (Eg) of CT-NC, as estimated from UV–vis spectra, reduced to 2.28 eV, resulting in a significant enhancement of the photocatalytic activity. The various emission peaks in the visible region due to the oxygen vacancies facilitated the generation of Reactive Oxygen Species (ROS). EDS analysis confirmed the presence of elements and the purity of the samples. Furthermore, CT-NC demonstrated remarkable dye degradation efficiency, achieving a maximum efficiency of 98.15 % under visible light irradiation for 120 min. This enhanced activity is attributed to the Advanced Oxidation Process (AOPs). Overall, the results highlight the potential of CT-NC as an efficient photocatalyst for environmental remediation.

Keywords: CeO2/TiO2 nanocomposite; methylene blue; photocatalytic; solution combustion synthesis
Corresponding author: Jegatha Christy Arulanandam, PG & Research Centre of Physics, Jayaraj Annapackiam College for Women (Autonomous), Periyakulam, Theni District, Tamil Nadu, India, E-mail:

Acknowledgments

The author is grateful to Basic Research Lab, Jayaraj Annapackiam College for Women, Periyakulam, Tamil Nadu, India.

  1. Research ethics: Not applicable.

  2. Author contributions: Fathima Khyrun Muhammad: conceptualization, methodology, writing – original draft. Jegatha Christy Arulanandam: conceptualization, methodology, formal analysis, data curation, visualization, investigation, writing – review and editing.

  3. Competing interests: The authors declare that they have no conflict of interest to the publication of this article.

  4. Research funding: None declared.

  5. Data availability: Not applicable.

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Received: 2024-03-13
Accepted: 2024-07-18
Published Online: 2024-08-20
Published in Print: 2025-06-26

© 2024 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. Contributions to “Materials for solar water splitting”
  3. Hydrothermally synthesized transition metal doped ZnO nanorods for dye degradation and antibacterial activity
  4. Exploring the photocatalytic efficacy of core–shell CeO2/TiO2 nanocomposite synthesized via solution combustion synthesis
  5. Catalyst efficiency through the disorder kinetics to identify its nonlinearity in their properties of Ag3PO4@TiO2 catalyst using UV–visible spectroscopy
  6. Evaluation of detoxification performance of Pithecellobium dulce seed pod powder upon acid treatment: removal of reactive red 195-A dye and kinetic analysis
  7. Quantum chemical calculations and molecular docking studies of 5-amino-3-(2,5-dimethoxyphenyl)-1-isonicotinoyl-2,3-dihydro-1H-pyrazole-4-carbonitrile
  8. Enhancing the electrochemical performance of Ni-doped CuCo2O4 electrode material through 2D layered sheets
  9. Synthesis, characterization and photo catalytic activity of silver nano particle derived from Arachis hypogaea L. seed peel extracts
  10. The antibacterial efficacy of reduced graphene oxide (rGO) and rGO/ZnO composites produced through thermal pyrolysis method against various bacterial strains
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  12. ZIF-67 derived N doped carbon embedded CoxP for superior hydrogen evolution
https://doi.org/10.1515/zpch-2024-0780
Keywords for this article
CeO2/TiO2 nanocomposite; methylene blue; photocatalytic; solution combustion synthesis

Articles in the same Issue

  1. Frontmatter
  2. Contributions to “Materials for solar water splitting”
  3. Hydrothermally synthesized transition metal doped ZnO nanorods for dye degradation and antibacterial activity
  4. Exploring the photocatalytic efficacy of core–shell CeO2/TiO2 nanocomposite synthesized via solution combustion synthesis
  5. Catalyst efficiency through the disorder kinetics to identify its nonlinearity in their properties of Ag3PO4@TiO2 catalyst using UV–visible spectroscopy
  6. Evaluation of detoxification performance of Pithecellobium dulce seed pod powder upon acid treatment: removal of reactive red 195-A dye and kinetic analysis
  7. Quantum chemical calculations and molecular docking studies of 5-amino-3-(2,5-dimethoxyphenyl)-1-isonicotinoyl-2,3-dihydro-1H-pyrazole-4-carbonitrile
  8. Enhancing the electrochemical performance of Ni-doped CuCo2O4 electrode material through 2D layered sheets
  9. Synthesis, characterization and photo catalytic activity of silver nano particle derived from Arachis hypogaea L. seed peel extracts
  10. The antibacterial efficacy of reduced graphene oxide (rGO) and rGO/ZnO composites produced through thermal pyrolysis method against various bacterial strains
  11. Empirical investigation and performance evaluation of flat-plate solar water heating systems: a comparative analysis with and without heat exchangers
  12. ZIF-67 derived N doped carbon embedded CoxP for superior hydrogen evolution
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