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61,005 resultsShowing papers similar to Semiconductors Application Forms and Doping Benefits to Wastewater Treatment: A Comparison of TiO2, WO3, and g-C3N4
ClearHeavy 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.
A Review on Photocatalysis Used For Wastewater Treatment: Dye Degradation
Researchers reviewed metal oxide-based photocatalysts — materials that use light to break down pollutants — for treating dye-contaminated wastewater, highlighting how rare-earth doping and nanocomposite design can overcome the limitations of standard titanium dioxide catalysts and improve degradation efficiency under visible light.
Visible light-induced catalytic performance of composite photocatalyst synthesized with nanomaterials WO3 and two-dimensional ultrathin g-C3N4
Researchers synthesized a WO3/ultrathin g-C3N4 composite photocatalyst and optimized preparation conditions to enhance visible light-driven catalytic performance, finding the optimal WO3/UCN mass ratio to be 1:1 with a 9-hour stirring time. The composite demonstrated improved photocatalytic activity under visible light compared to individual components, with performance controllable through ratio adjustment.
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.
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.
Recent Progress in WO3-Based Photo(electro)-Catalysis Systems for Green Organic Synthesis and Wastewater Remediation: A Review
A review of WO3-based photocatalysts for breaking down organic pollutants in water assessed recent advances in their synthesis, performance, and stability. These materials are relevant to microplastic research as part of the broader toolkit for advanced water treatment targeting plastic-derived chemical contaminants.
Fotokataliza i materiały kompozytowe TiO2/SiO2 w oczyszczaniu środowiska
This review examines the role of photocatalysis and TiO2/SiO2 composite materials as innovative methods for environmental remediation, particularly for removing water and air pollutants, while addressing the limitations of conventional treatment approaches. The analysis covers the mechanisms of TiO2 photocatalysis, its constraints including low visible-light activity, and how structural and chemical modifications through SiO2 compositing can overcome these limitations.
Visible-light photocatalysts: Prospects and challenges
This research update reviews the state of visible-light photocatalysis, discussing material types including metal oxides, organic semiconductors, and composites, their applications for environmental remediation and solar fuel generation, and the major challenge of scaling up photocatalytic processes to industrial viability. The authors identify cost-competitiveness with existing technologies as the primary barrier to practical deployment.
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 and application of titanium dioxide photocatalysis for energy, decontamination and viral disinfection: a review
This review covers the synthesis and environmental applications of titanium dioxide photocatalysis, including its use for removing microplastics, pharmaceuticals, metals, and dyes from water. The study discusses various synthesis methods and highlights TiO2 photocatalysis as a promising advanced method for water and wastewater decontamination.
Recent Advances in Synthesis and Applications of Carbon-Doped TiO2 Nanomaterials
This review described recent advances in the synthesis and applications of carbon-doped TiO2 nanomaterials, finding that carbon incorporation broadens light absorption into the visible range, reduces electron-hole recombination, and enhances photocatalytic degradation of organic pollutants beyond what undoped TiO2 achieves.
G-C3N4 Dots Decorated with Hetaerolite: Visible-Light Photocatalyst for Degradation of Organic Contaminants
Researchers developed a graphitic carbon nitride and hetaerolite composite photocatalyst that degrades organic contaminants under visible light, offering a cost-effective approach to removing emerging pollutants from water using solar energy.
Sustainability-driven photocatalysis: oxygen-doped g-C3N4 for organic contaminant degradation
This paper is not about microplastics. It discusses oxygen-doped graphitic carbon nitride as a photocatalyst for degrading organic contaminants in water, focusing on the material's enhanced charge carrier properties. While photocatalytic degradation could theoretically be applied to plastic pollutants, this study addresses general organic contaminant removal rather than microplastic pollution.
Synthesis, characterization of Ag-doped CdS-WO2 nanocomposite and effects of photocatalytic degradation in RhB under visible light irradiation
Researchers synthesized a silver-doped cadmium sulfide and tungsten oxide nanocomposite and tested its ability to photocatalytically degrade rhodamine B dye under visible light. Developing more efficient photocatalysts could support removal of plastic-associated dye pollutants from wastewater.
Visible Light–Driven Advanced Oxidation Processes to Remove Emerging Contaminants from Water and Wastewater: a Review
Researchers reviewed how visible light and solar energy can power chemical processes that break down emerging water contaminants — such as pesticides, pharmaceuticals, and dyes — into harmless byproducts, offering a renewable-energy-driven alternative to conventional water treatment. The review identifies key process variables like pH and catalyst dosage that control how efficiently these pollutants are destroyed.
Photodegradation of microplastics through nanomaterials: Insights into photocatalysts modification and detailed mechanisms
This review explores how nanomaterial-enhanced photocatalysts can break down microplastics that conventional water treatment fails to remove. The paper details key strategies like element doping and heterojunction construction that improve degradation efficiency, and explains the underlying mechanisms involving free radical formation and singlet oxygen oxidation.
Porphyrin-Based Nanomaterials for the Photocatalytic Remediation of Wastewater: Recent Advances and Perspectives
This review covers recent advances in porphyrin-based nanomaterials designed for photocatalytic degradation of hazardous contaminants in wastewater under sunlight. The study highlights various fabrication methods and suggests that these self-organized nanostructures hold promise for sustainable water treatment and environmental remediation.
The Fabrication and Property Characterization of a Ho2YSbO7/Bi2MoO6 Heterojunction Photocatalyst and the Application of the Photodegradation of Diuron under Visible Light Irradiation
Researchers created a new photocatalytic material by combining two metal oxide compounds and tested its ability to break down diuron, a widely used herbicide and water pollutant, under visible light. The composite material showed significantly better pollutant degradation performance than either component alone. The study presents a potential approach for using sunlight-driven catalysts to remove persistent chemical contaminants from water.
Hybrid Semiconductor Photocatalyst Nanomaterials for Energy and Environmental Applications: Fundamentals, Designing, and Prospects
This review covers the development of hybrid semiconductor nanomaterials that use light energy to drive useful chemical reactions, including breaking down pollutants and producing clean fuels. Researchers found that combining semiconductors with metals or carbon-based materials creates surfaces that absorb light and transfer electrical charge more efficiently. The study suggests these hybrid photocatalysts hold strong promise for addressing both energy and environmental challenges.
A review of semiconductor photocatalyst characterization techniques
This review systematically covered semiconductor photocatalyst characterization techniques—including UV-vis spectroscopy, photoluminescence, and electron microscopy—providing a framework for understanding structure-performance relationships in photocatalysts for solar energy conversion and environmental pollutant degradation.
Nanocosmos of catalysis: a voyage through synthesis, properties, and enhanced photocatalytic degradation in nickel sulfide nanocomposites
This review covers nickel sulfide nanocomposites used in photocatalysis for water purification, focusing on how modifications like doping and forming hybrid structures improve their ability to break down pollutants. These advanced materials show promise for cleaning contaminated water, which is relevant as microplastics and chemical pollutants increasingly threaten water sources.
Advanced Nanotechnology in Wastewater Treatment: Investigating the Role of Nanoparticles in Pollutant Removal, Water Recovery, and Environmental Sustainability
This review examines how nanotechnology-based approaches — including nanoparticle adsorbents, nanofiltration membranes, and photocatalysts — can address persistent water pollutants including pharmaceuticals, microplastics, and heavy metals more effectively than conventional treatment methods.
TiO2/g-C3N4 Visible-Light-Driven Photocatalyst for Methylene Blue Decomposition
Researchers synthesized TiO2/graphitic carbon nitride nanocomposites and demonstrated efficient visible-light photocatalytic degradation of methylene blue dye, with the heterojunction structure extending light absorption into the visible spectrum and improving charge separation compared to TiO2 alone.
Developments in the Application of Nanomaterials for Water Treatment and Their Impact on the Environment
This review covers the application of nanomaterials for water treatment and remediation, evaluating how nanomaterial properties enable removal of pollutants including heavy metals, organic contaminants, and microplastics. It surveys the current state of research and discusses practical challenges for scaling up nanomaterial-based water treatment.