Enhancing Methyl Orange Degradation with Laser-Generated ZnO and Ce-Doped ZnO Nanoparticles
Source abstract
Abstract
The presence of Methyl Orange, a hazardous organic compound typically found in industrial wastewater, presents a significant environmental challenge, necessitating the development of effective strategies for its removal to mitigate adverse impacts on aquatic ecosystems and human health. In this work, we utilized 60-watt continuous-wave (CW) and high-power CO2 laser with 10.6 μm wavelength to synthesize Zinc Oxide nanoparticles (ZnO NPs) doped with 1% Cerium (Ce) as photocatalyst at standard laboratory conditions through Laser-Assisted Chemical Bath Synthesis (LACBS) technique. The synthesized nanostructures were thoroughly characterized using UV–vis spectroscopy, field-emission scanning electron microscopy (FESEM), and X-ray diffraction (XRD) techniques. Subsequently, their efficiency in degrading Methyl Orange (MO) dye was evaluated under UV and sunlight irradiation. The findings revealed that the 1% Ce-doped ZnO sample exhibited enhanced photocatalytic efficiency under both UV and sunlight irradiation, as well as active adsorption capabilities in the absence of light. Notably, the most effective photodegradation performance was achieved under solar radiation, with an impressive 95% of MO dye degradation observed after just 90 min of exposure.
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Research context
OpenAlex topics: ZnO doping and properties · Advanced Photocatalysis Techniques · Laser-Ablation Synthesis of Nanoparticles
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Physics, Universiti Sains Malaysia, Penang 11800, Malaysia
Department of Physics, Collage of Science, University of Baghdad, Al-Jadiria, Baghdad 10071, Iraq
Department of Chemistry, College of Natural and Applied Science, Al-Qalam University, Katsina 2137, Nigeria
Preparatory Year Unit, Prince Sattam Bin Abdulaziz University, Alkharj 16273, Saudi Arabia
Department of Physics, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 13318, Saudi Arabia
MLab, STI Unit, The Abdus Salam International Centre for Theoretical Physics, 34151 Trieste, Italy
Funding
Deputyship for Research & Innovation, Ministry of Education in Saudi Arabia · Imam Mohammad Ibn Saud Islamic University (IMSIU)
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