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20 resultsShowing papers similar to Recent advances in hydrogen production using MXenes-based metal sulfide photocatalysts
ClearIn Situ Growth of CdZnS Nanoparticles@Ti3C2Tx MXene Nanosheet Heterojunctions for Boosted Visible-Light-Driven Photocatalytic Hydrogen Evolution
This paper is not about microplastics; it describes the synthesis and photocatalytic hydrogen evolution performance of CdZnS nanoparticle/MXene nanosheet composite materials under visible light.
Metal–Organic Frameworks for Photocatalytic Hydrogen Production Coupled with Selective Oxidation Reactions
This review examines metal-organic framework (MOF) photocatalysts for hydrogen production coupled with selective organic oxidation reactions, covering design principles, active site engineering, and performance benchmarks. It discusses how MOF structural tunability enables optimisation of both hydrogen evolution and valuable co-product generation.
Impact of Interfaces, and Nanostructure on the Performance of Conjugated Polymer Photocatalysts for Hydrogen Production from Water
This review examines how interfaces and nanostructure influence the performance of conjugated polymer photocatalysts for hydrogen production via water splitting and CO2 reduction, surveying the field since early reports of carbon nitride and organic semiconductor photocatalysts and analyzing structure-property relationships governing efficiency.
Review of Two-Dimensional MXenes (Ti3C2Tx) Materials in Photocatalytic Applications
This review covers Ti3C2Tx MXene-based photocatalysts, summarizing preparation techniques and recent advances in photocatalytic CO2 reduction, nitrogen fixation, hydrogen evolution, and pollutant degradation, finding that MXenes enhance photocatalytic performance by blocking electron-hole recombination.
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.
Fe-dope Nickel Selenide @Tri-Nickel Diselenide heterostructure with efficient and stable water splitting for hydrogen production
Researchers developed an iron-doped nickel selenide catalyst for efficient water splitting to produce hydrogen as clean energy. While focused on renewable energy, developing clean alternatives to fossil fuels is important for reducing the petrochemical production that drives plastic manufacturing and microplastic pollution.
Synthesis of g-C3N4@ZnIn2S4 Heterostructures with Extremely High Photocatalytic Hydrogen Production and Reusability
Researchers synthesized g-C3N4 and ZnIn2S4 heterostructures through thermal annealing and hydrothermal methods, finding that optimized heterostructures produced approximately 228 times higher photocatalytic hydrogen production than pure g-C3N4 under visible light. The high photocatalytic performance and reusability of these heterostructures make them promising for solar-driven hydrogen fuel production.
MXenes as Emerging Materials: Synthesis, Properties, and Applications
This review covers MXenes, a family of two-dimensional materials with unique layered structures that show promise for energy and environmental applications. Researchers examined how MXenes can be synthesized and modified to enhance their properties for uses including photocatalysis, gas sensing, and water treatment. The materials' ability to be tuned through changes in composition and surface chemistry makes them potential candidates for addressing environmental contamination challenges.
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 perspectives on MXene composite nanomaterials: Types synthetic methods, thermal energy utilization and 3D-printed techniques
Researchers reviewed MXene, a family of ultra-thin 2D nanomaterials, and their composites for applications in heat storage, solar energy conversion, and 3D printing inks, finding photo-to-thermal and electro-to-thermal conversion efficiencies of 80–90%. The review also explores future uses in hydrogen storage, carbon capture, and environmental pollution cleanup.
Design Principles for Maximizing Hole Utilization of Semiconductor Quantum Wires toward Efficient Photocatalysis
This paper presented design principles for maximizing hole (positive charge carrier) utilization in semiconductor quantum wire photocatalysts, addressing the rate-limiting step in solar-driven hydrogen production from water splitting.
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.
MXene based nanoarchitectures for organic contaminants degradation under sonophotocatalytic environment: eco-friendly synthesis, catalytic attributes and recent advancements
This review covers MXene-based materials, a new class of nanocatalysts that can break down organic pollutants in water using combined sound and light energy. The technology shows promise for degrading contaminants including microplastics without creating secondary pollution. Better water treatment methods like these could help reduce human exposure to microplastics and other harmful substances in drinking water.
Carbon-based Composite Materials as Photocatalyst for Photo-Reforming of Organics to Obtain H2
Researchers investigated carbon-based composite photocatalysts — including Nb2O5 and TiO2 combined with graphene or graphene oxide — for photo-reforming of plastics (PET and PLA) and organic compounds into hydrogen under both UV and natural solar light, finding that composite materials produced significantly more hydrogen than bare semiconductors.
Promoting water-splitting reaction on TiO2/gCN with Pd/SrO cocatalysts: H2 evolution in the absence of a sacrificial reagent
Researchers investigated a photocatalyst system combining titanium dioxide, graphitic carbon nitride, palladium, and strontium oxide for producing hydrogen fuel through water splitting without requiring a sacrificial chemical reagent. The study demonstrates an eco-friendly approach to clean energy generation. The findings contribute to the development of more sustainable and practical hydrogen production technologies.
From photocatalysis to photon–phonon co-driven catalysis for methanol reforming to hydrogen and valuable by-products
This review covers hydrogen production from methanol using light-driven chemical reactions, examining new photocatalytic materials and methods. While not about microplastics directly, the clean energy technologies discussed could help reduce fossil fuel dependence and the plastic production that drives microplastic pollution.
Oxygen Vacancies Defective La2Ti2O7 Nanosheets Enhanced Photocatalytic Activity of Hydrogen Evolution under Visible Light Irradiation
Not directly relevant to microplastics — this paper develops oxygen-vacancy-engineered lanthanum titanate nanosheets to enhance photocatalytic hydrogen evolution under visible light, a materials chemistry and clean energy topic.
Molecularly Engineered Covalent Organic Frameworks for Hydrogen Peroxide Photosynthesis
Researchers developed a bipyridine-based covalent organic framework photocatalyst for producing hydrogen peroxide from water and air, achieving solar-to-chemical conversion efficiencies of 0.57% at 298 K and 1.08% at 333 K, surpassing previously reported values. The work addresses selectivity challenges in the two-electron water oxidation reaction that have limited photocatalytic H2O2 production.
Eco-Friendly Solar-Powered H2 Generation from Plastic Waste Using Earth-Abundant Cu-Doped ZnS Catalysts
Plastic waste could potentially be converted into clean hydrogen fuel using sunlight and a catalyst, offering a way to both reduce plastic pollution and generate renewable energy. This study developed a copper-doped zinc sulfide photocatalyst — made from earth-abundant, non-toxic materials — that can break down plastic waste dissolved in alkaline solution under visible light, producing hydrogen gas at a promising rate. While still at the laboratory stage, solar-powered plastic-to-hydrogen conversion could eventually offer a sustainable alternative to simply landfilling or burning plastic waste.
Comprehensive Insights into Photoreforming of Waste Plastics for Hydrogen Production
This review examines photocatalytic "photoreforming" — a solar-powered process that breaks down waste plastics while simultaneously generating hydrogen fuel and useful chemical byproducts. Recent advances in catalyst design, including semiconductor materials and metal-organic frameworks, are analyzed alongside factors like light intensity and pH that affect hydrogen output. This dual-purpose approach could help address both the global plastic waste crisis and the need for clean energy simultaneously.