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61,005 resultsShowing papers similar to Synthesis and Mechanism of Z-Scheme Heterojunction Photocatalyst MoS2-WO3
ClearConstruction of Novel Z-scheme Heterojunction in ZnFe2O4/P25 @ MOF-5 Nanocomposite from Plastic Waste for Efficient Photodegradation of Aqueous BTX Under Visible Light
Not relevant to microplastics — this paper synthesizes a novel MOF-5 based photocatalyst from plastic waste to degrade benzene, toluene, and xylene (BTX) compounds from wastewater using visible light photocatalysis.
Preparation of S-C3N4/AgCdS Z-Scheme Heterojunction Photocatalyst and Its Effectively Improved Photocatalytic Performance
This paper is not about microplastics. It describes the development of a photocatalyst material (S-doped carbon nitride with silver-doped cadmium sulfide) designed to degrade organic dyes like Rhodamine B and methyl orange. While photocatalytic technology could theoretically be applied to plastic degradation, this study focuses entirely on dye removal chemistry with no connection to microplastic contamination or health effects.
A Magnetic Photocatalytic Composite Derived from Waste Rice Noodle and Red Mud
This paper is not relevant to microplastics research; it describes the synthesis of a magnetic photocatalytic composite from waste rice noodles and red mud for degrading organic dye pollutants in wastewater, with no connection to plastic particles.
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.
Photocatalytic strategy to mitigate microplastic pollution in aquatic environments: Promising catalysts, efficiencies, mechanisms, and ecological risks
This review summarizes recent advances in photocatalytic degradation of microplastics, covering catalysts, mechanisms, and reactive oxygen species generation pathways. The authors call for more realistic photocatalytic materials, better mechanistic understanding of degradation intermediates, and quantitative ecological risk assessment of photocatalysis byproducts.
Photocatalytic Degradation of Plastic Waste: Recent Progress and Future Perspectives
This review examined photocatalytic degradation as an environmentally friendly approach to destroying microplastic waste, focusing on nanomaterial-based semiconductors such as TiO2 and ZnO. The review highlighted recent progress and remaining challenges in developing efficient photocatalytic systems capable of fully mineralizing persistent plastic pollutants.
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.
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.
State of the art in the photochemical degradation of (micro)plastics: from fundamental principles to catalysts and applications
This review summarizes research on the photochemical degradation of plastics and microplastics into value-added products and intermediates via photocatalysis. The study covers fundamental principles and catalytic approaches for breaking down plastic pollutants that are otherwise difficult to degrade in the environment.
Countering microplastics pollution with photocatalysis: Challenge and prospects
This review summarized the use of photocatalysis for degrading microplastics, covering catalyst types, reaction mechanisms, and operational parameters, and discussing challenges including the stability of highly polymerized plastics and prospects for scaling photocatalytic treatment to address environmental microplastic pollution.
Photocatalytic Perception for Degradation of Macro- and Micro-plastics
This review examines photocatalytic approaches for degrading both macro- and micro-plastics, surveying semiconductor-based and other photocatalytic systems capable of breaking down persistent plastic polymers in aquatic and terrestrial environments. The paper evaluates the mechanisms, efficiency, and scalability of photocatalysis as a remediation technology alongside conventional plastic waste management strategies.
Efficiency of Hybrid Materials for Photocatalytic Degradation of Micro‐ and Nano‐Plastics
Researchers reviewed how hybrid materials — combinations of multiple substances engineered at the nanoscale — can serve as highly effective photocatalysts to break down microplastics and nanoplastics using light energy. These multi-functional materials improve electron separation and reaction efficiency compared to single-component catalysts, representing a promising technological pathway for removing persistent plastic particles from the environment.
A Review on the Use of Metal Oxide-Based Nanocomposites for the Remediation of Organics-Contaminated Water via Photocatalysis: Fundamentals, Bibliometric Study and Recent Advances
This review examines how metal oxide nanocomposite materials can be used as photocatalysts to break down toxic organic pollutants in contaminated water using light energy. While focused on cleaning up dyes, drugs, and pesticides, the technology is relevant to microplastics because similar photocatalytic approaches are being explored to degrade plastic particles in water. Improving water treatment technologies like these could help reduce human exposure to the cocktail of pollutants, including microplastics, found in water supplies.
Efficient photocatalytic degradation of microplastics by constructing a novel Z-scheme Fe-doped BiO2−x/BiOI heterojunction with full-spectrum response: Mechanistic insights and theory calculations
Researchers developed a new photocatalyst that can break down PET microplastics in water using the full spectrum of light, including visible light. The iron-doped material created deep cracks in PET plastic within just 10 hours of light exposure. This technology could eventually help remove microplastics from water treatment systems, reducing the amount that reaches drinking water.
Advancing photocatalytic strategies for microplastic degradation in aquatic systems: Insights into key challenges and future pathways
This review examines how light-activated chemical reactions (photocatalysis) can break down microplastics in water, using advanced materials like doped semiconductors and metal-organic frameworks. While promising for cleaning up waterways, challenges remain around scaling these methods for real-world use and ensuring the breakdown products are not themselves harmful.
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.
Role of Nanotechnology in Plastic and Microplastic Management
This review examines how nanotechnology can enhance plastic and microplastic degradation, describing how nanomaterials can modify microbial metabolic pathways to improve biodegradation rates and how photocatalytic approaches can break down plastics into low-molecular-weight intermediates suitable for use as chemical feedstocks.
Metal Oxides‐Based Nano/Microstructures for Photodegradation of Microplastics
This review covers how metal oxide materials, such as titanium dioxide and zinc oxide, can be used as photocatalysts to break down microplastics using sunlight. Some approaches can even convert plastic waste into useful fuels and chemicals. The technology offers a promising eco-friendly strategy for cleaning microplastics from water and wastewater systems.
Application of metal-organic frameworks for photocatalytic degradation of microplastics: Design, challenges, and scope
This review examines how metal-organic frameworks can be designed and applied for photocatalytic degradation of microplastics in wastewater, addressing the challenge of microplastic hydrophobicity and their resistance to conventional treatment. The authors discuss design strategies, current performance limitations, and future directions for scaling photocatalytic MOF technology to practical remediation applications.
Design of tertiary Z-scheme CuO–ZnO@MXene photocatalyst with superior visible-light activity for decomposition of nanoplastics
A ternary CuO-ZnO@MXene photocatalyst with a Z-scheme charge transfer pathway was designed for enhanced degradation of organic pollutants in water. The material's architecture improves light absorption and charge separation, making it a candidate for treating microplastic-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.
Synergistic Photocatalysis by α-MoO3 Nanostructures and SWCNT Nanocomposites for Efficient Cross-Linking and Oxidative Degradation of Polystyrene Nanoplastics
This study developed alpha-MoO3 nanostructures combined with single-walled carbon nanotube nanocomposites as synergistic photocatalysts, demonstrating enhanced degradation of organic pollutants under visible light with potential for plastic-associated contaminant treatment.
Bi‐based photocatalysts for light‐driven environmental and energy applications: Structural tuning, reaction mechanisms, and challenges
This review examines bismuth-based photocatalysts that use visible light to break down environmental pollutants and convert energy. Researchers summarized various structural modification strategies that improve the photocatalytic performance of these materials. The findings are relevant to microplastic pollution because advanced photocatalysts represent a potential technology for degrading plastic particles in water treatment systems.
Photodegradation of Microplastics through Nanomaterials: Insights into Photocatalysts Modification and Detailed Mechanisms
This review examines how specially designed nanomaterials can break down microplastics in water using light-driven chemical reactions. While not directly about human health, improving microplastic removal from water sources could reduce the amount of tiny plastic particles that ultimately end up in drinking water and the food chain.