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61,005 resultsShowing papers similar to Visible light driven degradation of BPA and LDPE microplastic films using GO/SCN nanocomposite
ClearGraphitic carbon nitride (g-C3N4) as an emerging photocatalyst for sustainable environmental applications: a comprehensive review
This review covers graphitic carbon nitride, a material that can break down pollutants using light energy through a process called photocatalysis. While not directly about microplastics, this technology could potentially be applied to degrade microplastics in water using sunlight. The review discusses how the material works, its current applications for cleaning up environmental pollution, and future directions for this sustainable technology.
Photocatalytic degradation of polyethylene and polystyrene microplastics by α-Fe2O3/g-C3N4
This study tested a composite photocatalyst (α-Fe2O3/g-C3N4) for degrading polyethylene and polystyrene microplastics using visible light. The catalyst caused surface cracking and oxidation of both plastic types, showing promise as a solar-powered method for breaking down microplastic pollution in water.
Efficient Photocatalytic H2O2 Production Ability of a Novel Graphitic Carbon Nitride/Carbon Composites under Visible Light
Researchers developed a novel graphitic carbon nitride/carbon composite synthesized from microplastics and melamine that achieves high-rate photocatalytic hydrogen peroxide production under visible light, demonstrating a way to upcycle plastic waste into useful photocatalysts.
Low Environmental Impact Remediation of Microplastics: Visible-Light Photocatalytic Degradation of PET Microplastics Using Bio-Inspired C,N-TiO2/SiO2 Photocatalysts
Researchers developed bio-inspired carbon and nitrogen co-doped TiO2/SiO2 photocatalysts capable of degrading PET microplastics under visible light, offering a low-energy alternative to UV-based photocatalysis for remediating microplastic contamination in aquatic environments.
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.
First Insights into Photocatalytic Degradation of HDPE and LDPE Microplastics by a Mesoporous N–TiO2 Coating: Effect of Size and Shape of Microplastics
A nitrogen-doped titanium dioxide photocatalyst successfully degraded high-density and low-density polyethylene microplastics under visible light, with smaller particles showing greater degradation than larger ones or film-shaped particles. The study establishes a foundation for visible-light photocatalysis as a potential strategy for removing microplastics from water.
Peroxymonosulfate activation by assistance of Co₃O₄/g-C₃N₄ nanocomposite and UVC for efficient microplastic photodegradation
Researchers developed a cobalt-based nanocomposite (Co3O4/g-C3N4) that, when activated by UVC light and a chemical oxidant, degraded up to 55% of PET and polypropylene microplastics in water through highly reactive free radicals. The approach offers a promising photocatalytic strategy for breaking down plastic pollution in water treatment systems.
Synergistic dual-defect band engineering for highly efficient photocatalytic degradation of microplastics via Nb-induced oxygen vacancies in SnO2 quantum dots
Researchers engineered a new material using niobium-doped tin oxide quantum dots that can break down polyethylene microplastics in water using visible light. The material works through a photocatalytic process, meaning sunlight can power the degradation of microplastics in real-world water conditions. This technology could offer a practical way to clean microplastic-contaminated water sources.
Photocatalytic degradation of polyethylene and polystyrene microplastics by α-Fe2O3/g-C3N4
An alpha-Fe2O3/g-C3N4 composite photocatalyst was shown to degrade both polyethylene and polystyrene microplastic films under visible light irradiation, with the photocatalyst causing surface cracking and mass loss significantly exceeding non-catalyzed controls.
Influence of polyethylene microplastics on the photocatalytic degradation of dibutyl phthalate and bisphenol A in an aqueous medium
Researchers investigated how the presence of polyethylene microplastics affects the photocatalytic degradation of dibenzothiophene, a common marine pollutant, under simulated sunlight. Microplastics altered the phototransformation pathway of the organic pollutant, potentially changing its bioavailability and toxicity in marine systems.
Degradation of Micro- and Nano-Plastics by Photocatalytic Methods
This paper reviews photocatalytic methods — using light-activated catalysts — as a way to break down micro- and nano-plastics in the environment. These approaches offer a promising path toward degrading persistent plastic particles that accumulate in marine and drinking water systems.
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.
Visible light photocatalytic degradation of polypropylene microplastics in a continuous water flow system
Researchers proposed a photocatalytic approach using glass fiber substrates coated with visible-light-activated photocatalysts to trap and degrade low-density polypropylene microplastics from water, demonstrating plastic mass loss and oxidative degradation products in a continuous flow system.
Different metal-doped NiO nanoparticles for sunlight-mediated degradation of low-density polyethylene microplastic films
Researchers synthesized metal-doped nickel oxide nanoparticles via sol-gel methods and embedded them in low-density polyethylene films, finding that 2% iron-doped NiO achieved approximately 38% photocatalytic degradation of the plastic under 30 days of sunlight exposure by suppressing charge carrier recombination and increasing visible light absorption.
Visible light photocatalytic degradation of microplastic residues with zinc oxide nanorods
LDPE microplastic residues were treated with zinc oxide nanorods under visible light irradiation, resulting in a 30% increase in carbonyl index and increased brittleness, demonstrating photocatalytic oxidation of the plastic surface. The study shows that ZnO nanorod photocatalysis can initiate microplastic degradation using visible light, offering a potential low-energy remediation approach.
Visible-light induced degradation of diphenyl urea and polyethylene using polythiophene decorated CuFe2O4 nanohybrids
Researchers developed a new material by combining copper-iron oxide nanoparticles with a conductive polymer, then used it to break down polyethylene plastic using visible light and microwave energy. Under microwave conditions, nearly half the polyethylene degraded, offering a potential pathway for using light-driven chemistry to reduce plastic pollution.
Novel CuMgAlTi-LDH Photocatalyst for Efficient Degradation of Microplastics under Visible Light Irradiation
Scientists developed a new photocatalyst material that breaks down polystyrene and polyethylene microplastics under visible light. The catalyst achieved significant degradation rates and worked through generating reactive oxygen species that attack plastic surfaces. This technology offers a promising green approach to removing microplastic pollution from water.
Photocatalytic Degradation of Microplastics in Aquatic Environments: Materials, Mechanisms, Practical Challenges, and Future Perspectives
This review examines how light-activated materials called photocatalysts can break down microplastics in water into harmless byproducts using sunlight or UV light. While still facing challenges with incomplete breakdown and variable sunlight conditions, this technology offers a promising way to reduce microplastic contamination in water sources that affect human health.
Enhanced activation of peroxymonosulfate by ZIF-67/g-C3N4 S-scheme photocatalyst under visible light assistance for degradation of polyethylene terephthalate
Researchers synthesized a photocatalyst that, combined with peroxymonosulfate under visible light, achieved up to 60% degradation of PET microplastics in water. The study identified sulfate radicals as the primary contributors to degradation and showed that the plastic was broken down into carbon dioxide, methane, and small organic molecules, offering a potential approach for treating microplastic-contaminated water.
Degradation of Microplastic Residuals in Water by Visible Light Photocatalysis
Researchers demonstrated that zinc oxide-based photocatalysts activated by visible light can degrade low-density polyethylene microplastic residues in water. This photocatalytic approach could offer an energy-efficient method for reducing microplastic contamination in aquatic environments.
MXene photocatalysts for microplastics degradation under simulated solar illumination
This review examined MXene-based photocatalysts for degrading microplastics under simulated solar illumination, covering synthesis methods, photocatalytic mechanisms, and performance for polyolefin and other plastic types. MXene composites showed promising degradation efficiency for otherwise difficult-to-degrade polymers under visible light.
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.
Design and Structural Modification of Advanced Biomaterials for Photocatalytic Degradation of Micro‐ and Nano‐Plastics
Researchers designed advanced biomaterials engineered to harness sunlight for breaking down micro- and nanoplastics through photocatalysis, combining nanotechnology and materials science to create eco-friendly, biodegradable particles capable of capturing and degrading plastic pollutants across diverse environmental conditions.
Photocatalytic Generation of Singlet Oxygen by Graphitic Carbon Nitride for Antibacterial Applications
This study developed graphitic carbon nitride photocatalysts for generating singlet oxygen as an antimicrobial agent, evaluating their effectiveness against pathogens in water treatment and assessing potential for co-degradation of microplastics.