Increased photodegradation of crystal violet dye using Ni and Zn codoped cadmium oxide nanoparticles

CdO nanoparticles codoped with Ni, Zn have been produced through co-precipitation. The study of structural properties is performed using X-ray diffraction (XRD) as well as field emission scanning electron microscopy (FESEM). Energy-dispersive X-ray spectroscopy (EDX) is utilised to examine the compo...

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Bibliographic Details
Published in:Water, air, and soil pollution air, and soil pollution, 2024-07, Vol.235 (7), p.437, Article 437
Main Authors: Singhwal, Deepak, Rana, Pawan S.
Format: Article
Language:English
Subjects:
Atmospheric Protection/Air Quality Control/Air Pollution
Cadmium
Catalytic activity
Climate Change/Climate Change Impacts
Dyes
Earth and Environmental Science
Electron microscopy
Electron states
Environment
Field emission microscopy
Gentian violet
Hydrogeology
Nanoparticles
Photocatalysis
Photodegradation
Photoelectron spectroscopy
Photoelectrons
Red shift
Reflectance
Scanning electron microscopy
Soil Science & Conservation
Spectrum analysis
Water Quality/Water Pollution
X ray photoelectron spectroscopy
X rays
X-ray diffraction
X-ray spectroscopy
Zinc
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Summary:CdO nanoparticles codoped with Ni, Zn have been produced through co-precipitation. The study of structural properties is performed using X-ray diffraction (XRD) as well as field emission scanning electron microscopy (FESEM). Energy-dispersive X-ray spectroscopy (EDX) is utilised to examine the compositional properties of Ni and Zn doped CdO nanoparticles. Ni and Zn doped CdO nanoparticles exhibited a pure cubic phase, as revealed by XRD. The X-ray photoelectron spectroscopy (XPS) method is used to evaluate the chemical and electronic states of the atoms. Codoping caused a redshift in the band gap of the CdO, which was determined by Diffused reflectance spectroscopy (DRS). In a study of their photocatalytic activity, Crystal Violet (CV) dye degradation under sun light exposure was compared with pristine CdO activity. A significant improvement in photocatalytic activity was observed in the degradation of CV due to codoping. Within exposure of 180 min, degradation of CV took place upto 99% by highly doped CdO (NZC3).
ISSN:0049-6979
1573-2932
DOI:10.1007/s11270-024-07236-9