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Papers
61,005 resultsShowing papers similar to Visible Light Photocatalysis: Green Hydrogen Production
ClearFrom 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.
From waste to energy - Photocatalytic anaerobic degradation of microplastics to generate hydrogen
Researchers demonstrated that microplastics can serve as a hydrogen source in photocatalytic reactions under anaerobic conditions. Using titanium dioxide as a catalyst and UV light, microplastic particles generated hydrogen gas, providing a potential route for converting plastic waste into clean energy. This proof-of-concept opens new possibilities for treating microplastic waste while producing renewable fuel.
From waste to energy - Photocatalytic anaerobic degradation of microplastics to generate hydrogen
Researchers demonstrated that microplastic particles can serve as solid hydrogen sources in anaerobic photocatalytic reactions using titanium dioxide as a catalyst. This proof-of-concept converts plastic waste into clean hydrogen fuel while potentially reducing environmental microplastic loads.
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.
Systemically Understanding Aqueous Photocatalytic Upgrading of Microplastic to Fuels
This review examines photocatalytic methods for converting microplastic waste into renewable fuels using solar energy. These approaches could transform plastic pollutants into useful energy sources rather than allowing them to accumulate in the environment and food chain.
Photoreforming of PET and PLA microplastics for sustainable hydrogen production using TiO2 and g-C3N4 photocatalysts
Researchers used photoreforming—a light-driven process—to break down PET and PLA microplastics while simultaneously generating hydrogen gas, demonstrating a dual-benefit approach that addresses plastic pollution while producing clean energy from waste plastic.
Visible-Light-DrivenPhotocatalytic Hydrogen Productionfrom Polystyrene Nanoplastics Using Pd/TiO2 Nanoparticles
Researchers developed a palladium-modified titanium dioxide photocatalyst that degrades polystyrene nanoplastics under visible light while simultaneously producing green hydrogen, finding that the plastic itself was necessary as a fuel source for hydrogen evolution.
Recovering hydrogen from PS, LDPE and HDPE microplastics via UV-driven photolysis and TiO2-based photocatalysis
Scientists used UV light — both direct photolysis and titanium dioxide photocatalysis — to break down polystyrene, LDPE, and HDPE microplastics and capture the released hydrogen gas as a potential clean fuel. The dataset documents hydrogen yields and conditions across the different plastic types and treatment methods. This approach could offer a dual benefit: destroying plastic waste while generating renewable hydrogen energy.
Hydrogen Generation from PS and PE Microplastics via UV Photocatalysis
Scientists explored whether UV light—with and without a titanium dioxide photocatalyst—could break down polystyrene and polyethylene microplastics while simultaneously generating hydrogen gas, effectively converting plastic pollution into a clean fuel. Overall degradation rates remain low and practical barriers (particle settling, light penetration) are significant, but the study maps the thermodynamic and chemical conditions that favor reactivity. This dual-purpose approach—pollution remediation plus energy recovery—is an intriguing direction for future research if efficiency can be improved.
Systemically Understanding Aqueous Photocatalytic Upgrading of Microplastic to Fuels
This review examined photocatalytic methods for converting microplastics into valuable fuels in water, summarizing advances in reactants, pretreatments, catalysts, and reactor design while highlighting the need for improved pretreatment processes to enhance efficiency and selectivity.
Role of the Controlled Periodic Illumination (CPI) for Enhancing the Photonic Efficiency of a Photocatalytic System
Not relevant to microplastics — this is a photochemistry study investigating how periodically pulsed (rather than continuous) light irradiation can improve the efficiency of photocatalytic reactions at semiconductor surfaces for pollutant degradation and hydrogen production.
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.
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.
The current status of hydrogen energy: an overview
This review covers the current state of hydrogen energy as a clean fuel alternative, including production methods, storage, and transportation. While not directly related to microplastics, the shift away from fossil fuels to hydrogen energy could reduce the production of petroleum-based plastics, which are the primary source of 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.
Photocatalytic Removal of Polyester Polyurethane, and Polyethylene Microplastics via ZnO-Fe-Mg-C Nanocomposite to H2
Scientists created a zinc oxide-based nanocomposite catalyst that can break down polyester, polyurethane, and polyethylene microplastics under light, and simultaneously convert them into hydrogen gas. This dual function — destroying plastic pollution while generating a clean fuel — represents a potentially valuable approach to turning a major environmental problem into a usable energy resource.
Building a bridge from solid wastes to solar fuels and chemicals via artificial photosynthesis
This review examined photoreforming (PR) as a process that converts solid plastic and other waste materials into hydrogen fuel and value-added chemicals using solar energy, combining waste remediation with clean fuel production. The authors assessed photocatalyst design strategies that enable efficient PR of diverse waste streams including polyethylene and polypropylene.
Photoreforming of Microplastics: Challenges and Opportunities for Sustainable Environmental Remediation
This review explores photoreforming, a technology that uses sunlight to break down microplastics and convert them into useful chemicals like hydrogen fuel. The process could offer a sustainable way to clean up microplastic pollution while producing valuable products, though it is still in the early research stage. If scaled up, this approach could help reduce the environmental and health risks of microplastics by actually eliminating them rather than just filtering them out of water.
In-situ formation of Ag2O in metal-organic framework for light-driven upcycling of microplastics coupled with hydrogen production
Researchers developed a light-activated catalyst that can break down microplastics while simultaneously producing hydrogen gas as a clean energy byproduct, using a novel metal-organic framework material that converts plastic pollution into useful chemicals — offering a potential two-in-one solution for plastic waste and energy production.
A Solar to Chemical Strategy: Green Hydrogen as a Means, Not an End
This paper is not about microplastics — it reviews photocatalytic approaches for producing green hydrogen and commodity chemicals (ammonia, hydrogen peroxide, methanol) from sunlight and water as part of decarbonizing the chemical industry.
New Progress in Plastic Degradation and Conversion by Photocatalysis
This review examines advances in photocatalytic plastic degradation and conversion, covering both the plastic pollution crisis driven by microplastic formation and innovative recycling approaches including primary, secondary, tertiary, and quaternary methods.
Mini-review on remediation of plastic pollution through photoreforming: progress, possibilities, and challenges.
This mini-review examines photoreforming — a solar-powered process that converts plastic waste into valuable chemicals and hydrogen fuel — as a promising approach to reducing plastic pollution while generating clean energy. The authors review progress in the technology, assess remaining challenges such as efficiency and scalability, and place it in the context of other plastic waste remediation strategies.
Assessing the Sustainability of Photodegradation and Photocatalysis for Wastewater Reuse in an Agricultural Resilience Context
Not directly relevant to microplastics — this review evaluates photodegradation and photocatalysis technologies for purifying wastewater for agricultural reuse, without a focus on microplastic removal.
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.