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61,005 resultsShowing papers similar to Green Synthesis of Semiconductor Nanocomposite (O-ZnO) Using Onion Peels Extract for Degradation of Organic Materials
ClearZnO 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.
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.
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.
Photocatalytic Removal of Antibiotics from Wastewater Using the CeO2/ZnO Heterojunction
Researchers synthesized CeO2/ZnO heterostructure photocatalysts using sol-gel methods and demonstrated high efficiency for degrading antibiotic compounds in water under light irradiation, with the heterojunction preventing electron-hole recombination and enhancing photocatalytic performance.
Green Preparation of ZnO Nanoparticles Using Citrus aurantium L. Extract for Dye Adsorption, Antibacterial, and Antioxidant Activities
Researchers used green synthesis with Citrus aurantium extract to prepare ZnO nanoparticles, which showed effective adsorption of amaranth red dye alongside strong antibacterial and antioxidant activities, offering a low-cost and environmentally friendly nanomaterial production route.
Green synthesis of iron (III) oxide (Fe3O4) Nanoparticles Using Citrus sinensis Peel Extract for the Removal of Ciprofloxacin in Water
Researchers created iron oxide nanoparticles using orange peel extract and tested their ability to remove the antibiotic ciprofloxacin from water. The study suggests this green synthesis approach achieved up to 97% removal efficiency, offering a low-cost, eco-friendly method for cleaning antibiotic contamination from water sources.
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.
Green synthesis of nanostructured zinc oxide by Ocimum tenuiflorum extract: characterization, adsorption modeling, cytotoxic screening, and metal ions adsorption applications
Researchers synthesized zinc oxide nanoparticles using Ocimum tenuiflorum leaf extract and tested their ability to adsorb cadmium and lead ions from water. The nanoparticles effectively removed heavy metal contaminants from environmental water samples, demonstrating potential as an eco-friendly tool for water remediation.
Green Synthesis of Citrus sinensis Peel Extract‐Mediated Ag‐TiO2 and Its Application as a Photocatalyst for Organic Molecules and Antimicrobial Agent
Silver-titanium dioxide nanocomposites were synthesized using Citrus sinensis peel extract as a green reducing agent and evaluated for photocatalytic wastewater purification and antimicrobial activity. The Ag-TiO2 composite showed improved photocatalytic performance compared to pristine TiO2, demonstrating the potential of plant extract-mediated green synthesis for environmental applications.
FeOOH Nanosheets Coupled with ZnCdS Nanoparticles for Highly Improved Photocatalytic Degradation of Organic Dyes and Tetracycline in Water
Researchers synthesized FeOOH nanosheet and ZnCdS nanoparticle composites and tested them as photocatalysts for degrading organic pollutants under visible light. The coupled system showed significantly enhanced photocatalytic activity compared to individual components due to improved charge separation.
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.
Recent Progress in ZnO-Based Nanostructures for Photocatalytic Antimicrobial in Water Treatment: A Review
This review summarized recent progress in ZnO-based nanostructures for photocatalytic antimicrobial water treatment, highlighting how nanostructure morphology and doping strategies enhance reactive oxygen species generation and broaden applications for removing pathogens and micropollutants including microplastics.
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.
Purified Mangosteen Peel Extract Mediated-Green Synthesis of Nanostructure Zinc Oxide Incorporated into a Nata de Sago Bacterial Cellulose Transparent Film for UV-Visible Spectroscopy Detection of Hexavalent Chromium in Aqueous Media
Researchers developed zinc oxide nanostructures using purified mangosteen peel extract as a reducing and capping agent, incorporating them into Nata de Sago bacterial cellulose transparent films for UV-Vis spectroscopy detection of hexavalent chromium in aqueous media.
The Influence of Mechanochemical Synthesis Method on Photodegradability Characteristics of Hydroxyapatite/Zinc Oxide Composite
Researchers synthesized a ZnO/hydroxyapatite nanocomposite via mechanochemical attrition milling and evaluated its photocatalytic degradation of methyl orange dye under UV irradiation, finding that compositions with 75% ZnO and 25% ZnO showed the best combined adsorption and photodegradation performance.
Recent Achievements in Photocatalytic Degradation of Organic Water Contaminants
This review examines photocatalytic degradation as an advanced method for removing organic contaminants such as drugs, agrochemicals, and dyes from water, explaining the degradation mechanism using semiconductor photocatalysts under UV and visible radiation. The authors discuss recent photocatalyst preparation methods, their stability, contaminant removal efficiencies, and the comparative advantages and limitations of photocatalytic approaches over conventional water treatment.
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.
Effect of zinc oxide nanoparticle types on the structural, mechanical and antibacterial properties of carrageenan-based composite films
Researchers synthesized zinc oxide nanoparticles from three different zinc salts and incorporated them into carrageenan composite films, evaluating how synthesis precursor affects the structural, mechanical, and antibacterial properties of the resulting biopolymer composites. The study identified which ZnONP synthesis route produces nanoparticles with the most favorable properties for food packaging applications.
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.
Optimized Photocatalytic Degradation of Ciprofloxacin Using Nano SnO2 Thin Films: Kinetic Studies and Operational Parameters
Nano-SnO2 thin film photocatalysts were developed and optimized for the degradation of the antibiotic ciprofloxacin from wastewater, achieving efficient photocatalytic breakdown under UV illumination. Kinetic studies confirmed that the process follows pseudo-first-order kinetics, offering a scalable approach for pharmaceutical pollutant removal.
Heavy Metal Removal from Aqueous Effluents by TiO2 and ZnO Nanomaterials
This review analyzed the literature on TiO2 and ZnO semiconductor nanomaterials for removing heavy metals like lead, cadmium, and chromium from wastewater via photocatalytic reduction, finding that performance is strongly influenced by particle size, synthesis method, and surface area. Modifications such as doping and coupling with other semiconductors can extend their activity into the visible light range.
Photocatalysis of low-density polyethylene using FKMW-ZnO NPs: optimization and predication model using a radial basis function neural network ensemble system
Researchers biosynthesised zinc oxide nanoparticles using fungal supernatant grown in kitchen wastewater with microelectronic sludge (FKMW-ZnO NPs) and evaluated their photocatalytic efficiency for degrading low-density polyethylene (LDPE) in aqueous solution. Optimisation using response surface methodology and prediction modelling with a radial basis function neural network ensemble identified the key parameters governing LDPE degradation performance.
Green synthesis and enhanced photocatalytic activity of ZnSe nanoparticles capped with Artemisia herba-alba and calligonum plants extracts
Scientists created tiny particles using natural plant extracts that can help break down harmful chemicals in water when exposed to light. These plant-based particles worked just as well as traditional methods for cleaning contaminated water, but they're cheaper and better for the environment. This could lead to new ways to clean up polluted water sources, making drinking water safer for communities.
Cellulose Nanofiber-Based Nanocomposite Films Reinforced with Zinc Oxide Nanorods and Grapefruit Seed Extract
Researchers fabricated cellulose nanofiber composite films reinforced with zinc oxide nanorods and grapefruit seed extract and found that the combination provided strong antimicrobial activity against both Gram-positive and Gram-negative bacteria while maintaining transparency and mechanical integrity suitable for active food packaging.