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Papers
20 resultsShowing papers similar to Orchestrating Ti─S and Ni─S Bonding Interfaces for Accelerated Charge Transfer in a S‐Scheme Photocatalyst
ClearSynergistically Enhanced Photocatalytic Degradation by Coupling Slow-Photon Effect with Z-Scheme Charge Transfer in CdS QDs/IO-TiO2 Heterojunction
Researchers fabricated a CdS quantum dot/inverse opal TiO2 heterojunction photocatalyst that couples the slow-photon effect from the periodic inverse opal structure with Z-scheme charge transfer to simultaneously improve light absorption and reduce carrier recombination. The novel architecture achieved synergistically enhanced photocatalytic degradation performance compared to either component alone.
Microplastic pollution reduction by a carbon and nitrogen-doped TiO2: Effect of pH and temperature in the photocatalytic degradation process
Scientists tested a carbon and nitrogen-doped TiO2 photocatalyst for degrading microplastics and found that degradation efficiency depended strongly on pH and temperature, with optimal conditions achieving significant surface mineralization of tested polymer types.
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.
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.
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.
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.
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.
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.
Photodegradation of polyethylene debris in water by sulfur-doped TiO2: system optimization, degradation mechanism, and reusability
This study optimized the photodegradation of polyethylene bag debris in water using sulfur-doped titanium dioxide as a photocatalyst, finding that controlling pH, catalyst dose, and polyethylene concentration improved degradation efficiency. The results offer a promising approach for breaking down plastic waste in water environments.
Construction of Hollow TiO2/ZnS Heterojunction Photocatalysts for Highly Enhanced Photodegradation of Tetracycline Hydrochloride
A hollow TiO2/ZnS heterojunction photocatalyst was constructed for degrading organic pollutants under light irradiation, showing enhanced performance due to improved charge carrier separation at the material interface. Such photocatalysts are candidates for treating wastewater containing plastic-derived chemical contaminants.
Photocatalytic degradation of polyethylene microplastics by copper-doped titanium dioxide nanoparticles
Researchers investigated photocatalytic degradation of polyethylene microplastics using copper-doped titanium dioxide nanoparticles as an efficient approach to breaking down aquatic plastic pollution, addressing the limitations of conventional removal methods that only achieve surface-level reduction.
Preparation of heterojunction C3N4/WO3 photocatalyst for degradation of microplastics in water
Researchers synthesized a carbon nitride/tungsten oxide heterojunction photocatalyst that effectively degrades PET microplastics in water while simultaneously generating hydrogen, offering a dual-benefit approach to addressing plastic pollution through photocatalysis.
Enhanced photocatalytic degradation of LDPE microplastics using TiO2-kaolinite and TiO2-montmorillonite nanomaterials
Researchers developed TiO2-kaolinite and TiO2-montmorillonite nanomaterial composites and evaluated their photocatalytic performance in degrading low-density polyethylene (LDPE) microplastics. The clay-mineral composites showed enhanced photocatalytic degradation efficiency compared to unmodified TiO2, offering a promising approach to treating environmental microplastic contamination.
Enhanced photocatalytic degradation of LDPE microplastics using TiO2-kaolinite and TiO2-montmorillonite nanomaterials
Researchers enhanced the photocatalytic degradation of low-density polyethylene (LDPE) microplastics by developing TiO2-kaolinite and TiO2-montmorillonite nanocomposite materials, testing their effectiveness as part of efforts to address the ~300 million tonnes of plastic produced annually that accumulates in the environment.
Processing of bio-based photocatalytic sponge-like structures containing C,N-TiO2 colloidally dispersed onto cellulose nanofibers for microplastic remediation
Researchers immobilized C,N-doped TiO2 photocatalyst onto cellulose nanofiber sponges derived from agricultural biomass, creating a bio-based photocatalytic material that degrades microplastics under light while being easily recoverable without centrifugation or filtration.
Niobium Oxide for Microplastics Degradation—the Effect of Crystal Structure and Morphology
Researchers tested different crystal structures of niobium oxide as photocatalysts for degrading microplastics under light irradiation, finding that crystal structure and surface area strongly influenced degradation efficiency and identifying the most effective form for use in environmental remediation.
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.
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.
Design of Green TiO2-Based Semiconductors for Microplastic and Nanoplastic Photocatalytic Degradation
Researchers developed green TiO2-based photocatalysts using mussel extrapallial fluid as a doping agent to degrade polystyrene and polyethylene micro- and nanoplastics, finding that operational conditions and semiconductor crystallinity were more critical to degradation efficiency than surface area alone.
The Role of the Reactive Species Involved in the Photocatalytic Degradation of HDPE Microplastics Using C,N-TiO2 Powders
Researchers used carbon and nitrogen co-doped titanium dioxide photocatalysts to degrade high-density polyethylene microplastics under simulated solar light, identifying hydroxyl radicals and superoxide anions as the primary reactive species responsible for surface oxidation and chain scission of the polymer.