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Green nanofabrication of CeO2/Y2O3 nanocomposite using Leucaena leucocephala leaf extract and investigation of photocatalytic activity.

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Title: Green nanofabrication of CeO2/Y2O3 nanocomposite using Leucaena leucocephala leaf extract and investigation of photocatalytic activity.
Authors: Dhanetia, H. R.1 (AUTHOR), Surela, Ajay Kumar2 (AUTHOR), Kumar, Nitin3 (AUTHOR), Meena, Parmeshwar Lal2 (AUTHOR) parmeshwar1978@gmail.com
Source: Materials Research Innovations. Jun2026, Vol. 30 Issue 4, p398-409. 12p.
Subjects: Nanocomposite materials, Photocatalysts, Sustainable chemistry, Photocatalytic oxidation, Environmental remediation, Visible spectra, Nanostructured materials
Abstract: This study focused on the green synthesis of a CeO2/Y2O3 nanocomposite using the aqueous leaf extract of Leucaena leucocephala, followed by a detailed investigation of its structural characteristics and photocatalytic performance towards organic dye pollutants under visible-light irradiation. The synthesised CeO2/Y2O3 nanocomposite exhibited an average crystallite size of 12.09 nm and a band gap energy of 3.11 eV, along with a highly porous morphological architecture. Under visible light, the nanocomposite achieved 66.91% degradation of methylene blue (MB) with a kinetic rate constant of 0.00717 min−1, and 61.27% degradation of atrazine (AZ) with a corresponding rate constant of 0.00698 min−1 within 120 minutes. These efficiencies were substantially higher than those obtained with pure Y2O3, demonstrating the beneficial effect of composite formation. The photocatalytic degradation of both dyes was primarily driven by the generation of hydroxyl (•OH) and superoxide (•O2−) radicals. [ABSTRACT FROM AUTHOR]
Copyright of Materials Research Innovations is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Green nanofabrication of CeO<subscript>2</subscript>/Y<subscript>2</subscript>O<subscript>3</subscript> nanocomposite using Leucaena leucocephala leaf extract and investigation of photocatalytic activity.
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  Data: <searchLink fieldCode="JN" term="%22Materials+Research+Innovations%22">Materials Research Innovations</searchLink>. Jun2026, Vol. 30 Issue 4, p398-409. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Nanocomposite+materials%22">Nanocomposite materials</searchLink><br /><searchLink fieldCode="DE" term="%22Photocatalysts%22">Photocatalysts</searchLink><br /><searchLink fieldCode="DE" term="%22Sustainable+chemistry%22">Sustainable chemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Photocatalytic+oxidation%22">Photocatalytic oxidation</searchLink><br /><searchLink fieldCode="DE" term="%22Environmental+remediation%22">Environmental remediation</searchLink><br /><searchLink fieldCode="DE" term="%22Visible+spectra%22">Visible spectra</searchLink><br /><searchLink fieldCode="DE" term="%22Nanostructured+materials%22">Nanostructured materials</searchLink>
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  Data: This study focused on the green synthesis of a CeO2/Y2O3 nanocomposite using the aqueous leaf extract of Leucaena leucocephala, followed by a detailed investigation of its structural characteristics and photocatalytic performance towards organic dye pollutants under visible-light irradiation. The synthesised CeO2/Y2O3 nanocomposite exhibited an average crystallite size of 12.09 nm and a band gap energy of 3.11 eV, along with a highly porous morphological architecture. Under visible light, the nanocomposite achieved 66.91% degradation of methylene blue (MB) with a kinetic rate constant of 0.00717 min−1, and 61.27% degradation of atrazine (AZ) with a corresponding rate constant of 0.00698 min−1 within 120 minutes. These efficiencies were substantially higher than those obtained with pure Y2O3, demonstrating the beneficial effect of composite formation. The photocatalytic degradation of both dyes was primarily driven by the generation of hydroxyl (•OH) and superoxide (•O2−) radicals. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Materials Research Innovations is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1080/14328917.2025.2601643
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 12
        StartPage: 398
    Subjects:
      – SubjectFull: Nanocomposite materials
        Type: general
      – SubjectFull: Photocatalysts
        Type: general
      – SubjectFull: Sustainable chemistry
        Type: general
      – SubjectFull: Photocatalytic oxidation
        Type: general
      – SubjectFull: Environmental remediation
        Type: general
      – SubjectFull: Visible spectra
        Type: general
      – SubjectFull: Nanostructured materials
        Type: general
    Titles:
      – TitleFull: Green nanofabrication of CeO2/Y2O3 nanocomposite using Leucaena leucocephala leaf extract and investigation of photocatalytic activity.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Dhanetia, H. R.
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          Name:
            NameFull: Surela, Ajay Kumar
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            NameFull: Kumar, Nitin
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            NameFull: Meena, Parmeshwar Lal
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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              Value: 30
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            – TitleFull: Materials Research Innovations
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