Phytosynthesis of CeO2-ZnO Nanocomposites Mediated by Parkia Speciosa Hassk Bark Aqueous Extract as Superior Photocatalyst in Reduction of Nitroaromatic Compound

CeO 2 -ZnO nanocomposites were successfully synthesized using Parkia speciosa Hassk bark aqueous extract by one pot phytosynthesis method. Parkia speciosa Hassk bark extract was used for the first time, in a novel approach, for phytosynthesis of CeO 2 -ZnO nanocomposites through this work. The prope...

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Published in:Water, air, and soil pollution air, and soil pollution, 2024-06, Vol.235 (6), p.374, Article 374
Main Authors: Annas, Dicky, Sembiring, Kiky Corneliasari, Sofyan, Muhammad Ihsan, Saputra, Iwan Syahjoko, Madiabu, Mohammad Jihad, Fahmi, Achmad Gus, Suendo, Veinardi, Mukti, Rino Rakhmata, Saepurahman, ‘Adany, Fildzah
Format: Article
Language:English
Subjects:
Atmospheric Protection/Air Quality Control/Air Pollution
Catalytic activity
Cerium oxides
Chemistry
Climate Change/Climate Change Impacts
Diffuse reflectance spectroscopy
Earth and Environmental Science
Electric properties
Electron microscopy
Environment
Fourier transforms
Fuel cells
Hydrogeology
Irradiation
Light irradiation
Metal oxides
Nanocomposites
Nanotechnology
Parkia speciosa
Pesticides
Photocatalysis
Plant extracts
Reflectance
Scanning electron microscopy
Sodium
Soil Science & Conservation
Transmission electron microscopy
Ultraviolet radiation
Wastewater treatment
Water Quality/Water Pollution
X rays
X-ray diffraction
X-ray spectroscopy
Zinc oxide
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Summary:CeO 2 -ZnO nanocomposites were successfully synthesized using Parkia speciosa Hassk bark aqueous extract by one pot phytosynthesis method. Parkia speciosa Hassk bark extract was used for the first time, in a novel approach, for phytosynthesis of CeO 2 -ZnO nanocomposites through this work. The properties of nanocomposites were characterized by Fourier-Transform Infrared (FTIR), Scanning Electron Microscopy—Energy Dispersive X-ray Spectroscopy (SEM–EDX), Transmission Electron Microscopy (TEM), X-Ray Diffraction (XRD), Raman, and UV–Vis Diffuse Reflectance Spectroscopy (UV–Vis DRS). The CeO 2 -ZnO nanocomposites were successfully formed with well-dispersed and small particle size (22.2 nm). The nanocomposites exhibit superior photocatalytic activity under sodium light irradiation toward reduction of nitroaromatic compound within 4 min reaction time. This result demonstrated promising green CeO 2 -ZnO nanocomposites for sustainable wastewater treatment. Graphical Abstract
ISSN:0049-6979
1573-2932
DOI:10.1007/s11270-024-07187-1