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61,005 resultsShowing papers similar to The Influence of Mechanochemical Synthesis Method on Photodegradability Characteristics of Hydroxyapatite/Zinc Oxide Composite
ClearMerits of photocatalytic activity of synthesized (ZnxCu(1−x)Fe2O4); x = (0–1) magnetic nanoparticles for wastewater treatment
Researchers synthesized zinc copper ferrite nanoparticles using a co-precipitation method and evaluated their photocatalytic performance for degrading methyl orange dye in wastewater. They found that the optimized nanoparticle composition achieved significant dye degradation under UV light exposure. The study suggests these magnetic nanoparticles could serve as reusable photocatalysts for treating dye-contaminated wastewater.
Ultrasound-Assisted and Citric Acid-Guided Creation of ZnO Nanoparticles with Optimized Morphologies to Boost Malachite Green Photocatalysis
Despite its title referencing environmental remediation, this paper studies the synthesis of zinc oxide nanoparticles for degrading malachite green dye under simulated sunlight — not microplastic pollution. It examines photocatalysis chemistry for breaking down a persistent textile dye and is not relevant to microplastics or human health.
Synthesis and Characterization of Hydroxyapatite/Titania Composite and its Application on Photocatalytic Degradation of Remazol Red B Textile Dye under UV Irradiation
Researchers synthesized hydroxyapatite/titania (HA/TiO2) composites using calcium from sea mussel shells and evaluated their photocatalytic degradation of Remazol Red RB textile dye under UV irradiation. The 1:1 HA/TiO2 composite achieved 94.22% dye removal within 2 hours, outperforming HA adsorption alone at 92.23% removal.
Harnessing Bio-Immobilized ZnO/CNT/Chitosan Ternary Composite Fabric for Enhanced Photodegradation of a Commercial Reactive Dye
This paper is not about microplastics; it describes the fabrication and testing of a ZnO/carbon nanotube/chitosan composite fabric as a photocatalyst for degrading textile dye (Reactive Blue 4) in wastewater, with no connection to microplastic research.
Effective Antibacterial/Photocatalytic Activity of ZnO Nanomaterials Synthesized under Low Temperature and Alkaline Conditions
Researchers synthesized ZnO nanomaterials under low temperature and alkaline conditions (1-4 M NaOH) and evaluated their photocatalytic degradation of methyl blue dye and antibacterial activity against both Gram-positive bacteria (Bacillus manliponensis, Micrococcus luteus, Staphylococcus aureus) and Gram-negative bacteria (Escherichia coli), finding effective performance in both applications.
Photocatalytic Degradation of Methylene Blue Dye by Promising Zinc Copper Ferrite Nanoparticles for Wastewater Treatment
Researchers synthesized copper-zinc ferrite nanoparticles and tested their ability to break down methylene blue dye in wastewater using photocatalysis. They found that the nanoparticles effectively degraded the dye under light exposure, demonstrating strong potential for water treatment applications. The study presents a relatively simple and cost-effective approach for removing harmful dye pollutants from industrial wastewater.
Effect of Thermo-photocatalytic Process Using Zinc Oxide on Degradation of Macro/micro-plastic in Aqueous Environment
This study tested using a thermo-photocatalytic process with zinc oxide to degrade macro- and microplastics in water, finding that combined heat and UV activation significantly accelerated plastic breakdown. Advanced oxidation processes that incorporate photocatalysis could be a promising approach for removing microplastics from contaminated water.
ZnO Semiconductor Nanoparticles and Their Application in Photocatalytic Degradation of Various Organic Dyes
Researchers synthesized zinc oxide nanoparticles using a green method with pepper plant extract and tested their ability to break down organic dyes in water under UV light. The nanoparticles achieved 100% elimination of methylene blue within 60 minutes and high degradation rates for other common dyes. The study demonstrates a sustainable approach to photocatalytic water treatment for removing organic pollutants.
Synthesis of Mixed-Phase TiO2–ZrO2 Nanocomposite for Photocatalytic Wastewater Treatment
Researchers synthesized TiO2-ZrO2 mixed-phase nanocomposite photocatalysts and demonstrated enhanced degradation of organic dyes under UV light compared to pure TiO2, with the mixed oxide structure improving light absorption and reducing electron-hole recombination for more effective wastewater treatment.
Effective Removal of Methylene Blue by Mn3O4/NiO Nanocomposite under Visible Light
Researchers synthesized manganese oxide and nickel oxide nanocomposites and tested their ability to remove methylene blue dye from wastewater under visible light through photocatalysis. The study found that the nanocomposite effectively degraded the dye, demonstrating a low-cost approach to wastewater treatment that could help address water pollution challenges.
Green Synthesis of Photocatalytically Active ZnO Nanoparticles Using Chia Seed Extract and Mechanistic Elucidation of the Photodegradation of Diclofenac and p-Nitrophenol
Zinc oxide nanoparticles (ZnO NPs) were synthesized using a green method with chia seed extract as a capping agent, producing quasi-spherical particles less than 30 nm with hexagonal crystal structure. The ZnO NPs showed photocatalytic activity for degrading environmental pollutants, providing an eco-friendly synthesis route to a widely used nanomaterial.
Facile Fabrication of Oxygen-Defective ZnO Nanoplates for Enhanced Photocatalytic Degradation of Methylene Blue and In Vitro Antibacterial Activity
Researchers fabricated ZnO nanoplates with varying oxygen defect densities by controlling crystal growth temperature and found that defect-rich nanoplates showed superior photocatalytic activity for degrading methylene blue dye and stronger antibacterial effects, linking defect engineering to photocatalyst performance.
Light-Activated Hydroxyapatite Photocatalysts: New Environmentally-Friendly Materials to Mitigate Pollutants
This systematic review highlights recent advances in hydroxyapatite-based photocatalysts for degrading water pollutants including dyes, pharmaceuticals, and pesticides under light activation. These environmentally-friendly materials show promise as alternatives to conventional water treatment methods. Photocatalytic degradation technologies like these are being explored for breaking down microplastic particles in contaminated water, making this research relevant to emerging microplastic remediation strategies.
ZnAl LDH-based Derivative Materials as Photocatalysts: Synthesis, Characterization, and Catalytic Performance in Tetracycline Degradation
This review surveys ZnAl layered double hydroxide (LDH)-derived photocatalysts, discussing synthesis routes, structural properties, and application performance in degrading organic pollutants under UV and visible light. The authors identify calcination-derived mixed metal oxides as the most active catalysts and highlight their potential for microplastic photodegradation and water treatment.
Effects of Humic Acid and Natural Sunlight Irradiation on the Behaviour of Zinc Oxide Nanoparticles in the Aqueous Environment
Humic acid and sunlight exposure both increase the rate at which zinc oxide nanoparticles dissolve and release toxic zinc ions in water, with smaller nanoparticles dissolving faster. As ZnO nanoparticles are widely used in consumer products and cosmetics, their environmental release poses risks to aquatic organisms.
Comparative Photocatalytic Performance of Gd, Zn, and Ti Metal Oxide Catalysts for Polyethylene Microplastics Removal
Photocatalysis — using light to drive chemical reactions that break down pollutants — shows real promise for degrading microplastics in water. Testing three different metal oxide catalysts, this study found that a modified zinc oxide catalyst could degrade 78% of polyethylene microplastics within two hours under visible light, outperforming both commercial catalysts and the other materials tested. The results point toward surface-engineered ZnO as a potentially practical tool for treating microplastic-contaminated water, though scaling these lab conditions to real-world water treatment remains a significant challenge.
Retracted: Synthesis characterization of Zn-based MOF and their application in degradation of water contaminants
This review examines zinc-based metal-organic frameworks (Zn-MOFs) as photocatalysts for degrading organic pollutants such as dyes in wastewater, reporting over 90% degradation efficiency and good reusability, highlighting their potential as high-surface-area nanomaterials for water treatment.
A convenient strategy for mitigating microplastics in wastewater treatment using natural light and ZnO nanoparticles as photocatalysts: A mechanistic study
Researchers showed that zinc oxide nanoparticles can break down polypropylene microplastics using natural sunlight as an energy source. The photocatalytic process generated free radicals that attacked and degraded the plastic polymer chains. This solar-powered approach could provide a low-cost, practical method for removing microplastics from wastewater before it is discharged into the environment.
Visible-light photocatalysis by carbon-nano-onion-functionalized ZnO tetrapods: degradation of 2,4-dinitrophenol and a plant-model-based ecological assessment
Researchers created a hybrid material combining carbon nano-onions (tiny carbon spheres) with zinc oxide crystals that can break down the toxic industrial chemical 2,4-dinitrophenol using only visible light. The composite was effective, reusable, and showed low toxicity to plants, suggesting promise for cleaning contaminated wastewater.
Visible Light Photocatalytic Degradation of Environmental Pollutants Using Zn-Doped NiO Nanoparticles
This study developed zinc-doped nickel oxide nanoparticles that can break down environmental pollutants using visible light. The researchers found that adding zinc improved the material's ability to absorb light and degrade harmful substances, suggesting a potential tool for cleaning up contaminated water and soil.
ZnO nanostructured matrix as nexus catalysts for the removal of emerging pollutants
Researchers reviewed the use of zinc oxide nanoparticles (ZnO NPs) as photocatalysts — materials that use light to break down pollutants — for removing emerging contaminants like pharmaceuticals and microplastics from water and wastewater. Green synthesis methods, where plants or microbes are used to manufacture the nanoparticles, showed especially high pollutant removal efficiency while reducing the environmental footprint of the process itself.
Photocatalytic degradation of microplastics assisted by permanently polarized hydroxyapatite decorated with Titania NPs
Researchers decorated permanently polarized hydroxyapatite (pHAp) with TiO2 nanoparticles to create an enhanced photocatalyst for degrading microplastics in aquatic environments, exploiting the internal electric field of polarized hydroxyapatite to improve electron transfer and reactive oxygen species generation. The composite material demonstrated improved photocatalytic degradation of microplastics compared to TiO2 alone under visible and UV light irradiation.
Modified TiO2 and ZnO photocatalysts for microplastic degradation: mechanisms, challenges, and recent advances
This review examines recent advances in using modified titanium dioxide and zinc oxide photocatalysts to degrade microplastics in the environment. Researchers summarized the mechanisms by which these catalysts break down plastic particles when activated by light, as well as the challenges that remain for practical application. The study suggests that photocatalytic degradation is a promising approach for addressing microplastic pollution, though significant technical hurdles still need to be overcome.
Methyl Orange Photo-Degradation by TiO2 in a Pilot Unit under Different Chemical, Physical, and Hydraulic Conditions
Researchers tested titanium dioxide as a photocatalyst for breaking down a textile dye under UV light, studying the effects of various chemical and physical conditions on degradation rates. Similar advanced oxidation technologies are being explored for degrading microplastic particles and associated chemical pollutants in water treatment.