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Papers
61,005 resultsShowing papers similar to Uniform formation and characterization of Au/TiO2 nanoparticles for electrokinetically assisted optofluidic reactors
ClearHierarchical optofluidic microreactor for water purification using an array of TiO2 nanostructures
Researchers developed a hierarchical optofluidic microreactor combining nanostructured TiO2 photocatalysts with light-harvesting substrates and herringbone micromixers, dramatically increasing the efficiency of photocatalytic water purification.
Supported TiO2 in Ceramic Materials for the Photocatalytic Degradation of Contaminants of Emerging Concern in Liquid Effluents: A Review
This review systematized research on TiO2 photocatalysts supported on ceramic materials for degrading emerging contaminants in liquid effluents, comparing immobilization techniques and reactor configurations and identifying supported ceramic-TiO2 systems as a promising technology for water treatment that avoids the catalyst separation challenges of slurry reactors.
Enhanced photocatalytic activity of electrospun TiO2/polyacrylonitrile membranes in a crossflow reactor using dual lights
Researchers developed electrospun TiO2/polyacrylonitrile membranes with up to 60% TiO2 nanoparticle loading and tested them in a crossflow photocatalytic reactor with dual-sided illumination, finding that bilateral irradiation significantly enhanced photocatalytic degradation of pollutants compared to conventional single-sided membrane reactors.
TiO2-based photocatalysts for the degradation of microplastics in aquatic environments
Researchers synthesized TiO2-based photocatalysts via sol-gel and hydrothermal methods and characterized their morphology and photocatalytic properties for the degradation of microplastics in aqueous environments, optimizing catalyst formulations to improve efficiency and assessing their potential as an environmentally friendly advanced treatment for waterborne microplastic pollution.
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.
Synthesis of Nano-Composite Ag/TiO2 for Polyethylene Microplastic Degradation Applications
Ag/TiO2 nano-composites were synthesized using a Photo Assisted Deposition method to evaluate their ability to degrade polyethylene microplastics in drinking water. The nano-composites showed effective photocatalytic degradation of microplastic particles across different particle sizes.
Water purification of organic pollutants using photocatalytic microreactors integrating Au/TiO₂/carbon cloth under solar irradiation
Researchers developed a gold nanoparticle-decorated TiO2 carbon cloth photoelectrochemical microreactor that removed 89% of microcystin-LR in 12.9 minutes under solar irradiation, leveraging localised surface plasmon resonance and microfluidic confinement to enhance photocatalytic efficiency for water purification.
Auramine O UV Photocatalytic Degradation on TiO2 Nanoparticles in a Heterogeneous Aqueous Solution
Researchers investigated the photocatalytic degradation of the fluorescent dye Auramine O using TiO2 nanoparticles under UV irradiation, demonstrating effective breakdown of this organic pollutant in aqueous solution and providing insights for wastewater treatment applications.
Integration of Photocatalysis and Membrane Technology as a Hybrid System for Microplastic Degradation in Wastewater
Researchers evaluated a hybrid system combining TiO2 photocatalysis with membrane filtration for degrading microplastics in wastewater. The photocatalytic membrane reactor demonstrated effective removal and degradation of polyethylene, polypropylene, and PET microplastics, suggesting that integrated photocatalytic-membrane systems could improve microplastic removal beyond what conventional wastewater treatment achieves.
Investigation of the efficiency of several TiO2 microstructures for the photocatalytic degradation of nanoplastics.
Researchers tested the efficiency of multiple titanium dioxide microstructures for photocatalytic degradation of nanoplastics in aquatic environments, addressing the growing problem of sub-micron plastic fragments in global water systems. TiO2-based photocatalysis showed varying effectiveness depending on catalyst structure and particle properties.
Simultaneous H2 production and water purification with surface-modified nanostructured TiO2 photoelectrodes
Surface-modified nanostructured TiO2 photoelectrodes were developed to simultaneously produce hydrogen and purify water containing organic contaminants through photoelectrocatalysis, demonstrating improved performance over unmodified TiO2 and offering a strategy for coupling green energy production with water treatment.
Investigation of the efficiency of several TiO2 microstructures for the photocatalytic degradation of nanoplastics.
This study tested the efficiency of several TiO2 microstructures as photocatalysts for degrading nanoplastics in aquatic environments. Results identified the most effective TiO2 configurations for breaking down sub-micron plastic fragments under light exposure.
Applications of Titanium Dioxide (TiO2) Nanoparticles in Photocatalysis
This review examines the photocatalytic applications of titanium dioxide nanoparticles, which are widely used for breaking down environmental pollutants including microplastics through light-driven chemical reactions. Researchers discuss how different crystal phases and modifications of these nanoparticles enhance their ability to degrade organic contaminants. The study highlights the potential of titanium dioxide-based photocatalysis as an environmentally friendly technology for addressing persistent pollutants.
Silver Doped TiO2 Photocatalyst for Disinfection ofE. coli and Microplastic Pollutant Degradation in Water
Researchers developed a silver-doped titanium dioxide photocatalyst that could simultaneously kill E. coli bacteria and break down polyethylene microplastics in water under light exposure. This combined disinfection and plastic degradation capability could be useful in water treatment systems.
Pd:In-Doped TiO2 as a Bifunctional Catalyst for the Photoelectrochemical Oxidation of Paracetamol and Simultaneous Green Hydrogen Production
Researchers synthesized Pd:In-doped TiO2 as a bifunctional photoelectrochemical catalyst that simultaneously degrades the pharmaceutical paracetamol in wastewater and generates green hydrogen, demonstrating an integrated approach to clean energy production and water treatment.
Photocatalytic TiO 2 Micromotors for Removal of Microplastics and Suspended Matter
Gold/nickel/TiO₂ photocatalytic micromotors were developed and shown to effectively attract, capture, and degrade microplastics under UV light by combining active motion with catalytic activity. The study presents a novel proof-of-concept approach to microplastic remediation at the microscale using self-propelled photocatalytic particles.
A highly efficient supported TiO2 photocatalyst for wastewater remediation in continuous flow
This paper is not about microplastics — it presents a novel titanium dioxide photocatalyst supported on glass wool fibers for breaking down organic pollutants in wastewater under light exposure.
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.
Tailoring visible-light active TiO2/cellulose nanocomposites with controlled crystalline structure for enhanced photocatalytic performance
Researchers developed a simple, low-temperature method for growing titanium dioxide nanoparticles on cellulose without the need for high-heat processing. The study found that by adjusting acid concentration and temperature, they could control the crystal structure of the nanoparticles, with a mixed-phase version achieving over 99% degradation of a test dye under visible light. These findings suggest a greener approach to creating photocatalytic materials for breaking down pollutants.
Titanium Dioxide–Reduced Graphene Oxide Composites for Photocatalytic Degradation of Dyes in Water
Researchers developed titanium dioxide–reduced graphene oxide composite photocatalysts that efficiently degraded multiple industrial dyes in water under visible light, with degradation rates significantly higher than those of pure TiO2 alone.
Recent advances and protocol summaries for degradation of polyethylene microplastics using TiO 2 ‐based photocatalysts
This review summarizes recent advances in using TiO2-based photocatalysts to degrade polyethylene microplastics. Researchers examined the mechanisms of photocatalytic degradation and compared degradation efficiencies across studies, noting that wide variation in experimental conditions makes direct comparisons challenging. The study aims to contribute to establishing standardized laboratory protocols for photocatalytic microplastic degradation research.
Photocatalytic Degradation of Textile Dyeing Wastewater Using Titanium Dioxide on a Fixed Substrate: Optimization of Process Parameters and Continuous Reactor Tests
Researchers optimized TiO2-coated glass bead photocatalysts for degrading textile dyeing wastewater under UV irradiation, using central composite design to identify optimal conditions including TiO2 dose, initial dye concentration, and pH. The fixed-substrate photocatalytic system offers practical advantages over slurry reactors for continuous wastewater treatment.
Silver Nanoparticles/Titanium Dioxide Nanowires Photocatalyst Formation for Microplastic Removal Using Ultraviolet Radiation
Researchers synthesized silver nanoparticle-decorated titanium dioxide nanowires (Ag/TiO2 NWs) via thermal oxidation and wet impregnation, then evaluated the photocatalytic efficiency of this heterojunction material for degrading polypropylene microplastics under ultraviolet radiation.
Semiconductors Application Forms and Doping Benefits to Wastewater Treatment: A Comparison of TiO2, WO3, and g-C3N4
This review compared TiO2, WO3, and g-C3N4 semiconductor photocatalysts for removing emerging contaminants from wastewater, focusing on doping strategies that extend activity to visible light. Each material showed distinct advantages and limitations for specific contaminant classes, and the review concluded that visible-light-active doped semiconductors offer the most practical path toward solar-driven water treatment.