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From Plastic Waste to Green Hydrogen and Valuable Chemicals Using Sunlight and Water
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Researchers demonstrated that plastic waste can be photoreformed using sunlight and water to simultaneously produce green hydrogen and valuable organic chemicals, achieving plastic valorization and energy generation without the high temperatures required by conventional thermochemical recycling.
Over 79 % of 6.3 billion tonnes of plastics produced from 1950 to 2015 have been disposed in landfills or found their way to the oceans, where they will reside for up to hundreds of years before being decomposed bringing upon significant dangers to our health and ecosystems. Plastic photoreforming offers an appealing alternative by using solar energy and water to transform plastic waste into value-added chemical commodities, while simultaneously producing green hydrogen via the hydrogen evolution reaction. This review aims to provide an overview of the underlying principles of emerging plastic photoreforming technologies, highlight the challenges associated with experimental protocols and performance assessments, discuss recent global breakthroughs on the photoreforming of plastics, and propose perspectives for future research. A critical assessment of current plastic photoreforming studies shows a lack of standardised conditions, hindering comparison amongst photocatalyst performance. Guidelines to establish a more accurate evaluation of materials and systems are proposed, with the aim to facilitate the translation of promising fundamental discovery in photocatalysts design.
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From Plastic Waste to Green Hydrogen and Valuable Chemicals Using Sunlight and Water
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This review examines how solar-powered photoreforming technology can convert plastic waste into valuable chemicals and green hydrogen using sunlight and water. Researchers found that while the approach shows significant promise as an alternative to landfilling, there is currently no standardized way to compare results across different studies. The study proposes guidelines for more consistent evaluation of photocatalyst performance to help advance this technology toward practical application.
Comprehensive Insights into Photoreforming of Waste Plastics for Hydrogen Production
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Researchers reviewed photocatalytic plastic photoreforming, a process that uses solar energy to simultaneously break down non-recyclable plastics and generate hydrogen fuel, highlighting its dual promise for addressing plastic waste and renewable energy production under mild, low-cost conditions.
Comprehensive Insights into Photoreforming of Waste Plastics for Hydrogen Production
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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.
Photocatalytic Upcycling of Plastic Waste Into Value‐Added Chemicals
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This review examines photocatalytic conversion of plastic waste into value-added chemicals using solar energy, comparing it to traditional methods like landfill, incineration, and thermocatalysis. Researchers analyzed how pretreatment procedures and photocatalyst selection affect solar-to-chemical conversion efficiency, proposing it as a sustainable strategy for addressing plastic waste under mild conditions.
Plastic Waste Conversion by Leveraging Renewable Photo/Electro‐Catalytic Technologies
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Researchers review how renewable energy-driven technologies — photocatalysis, electrocatalysis, and their combination — can convert waste plastics into valuable chemicals and fuels, offering a pathway to transform the plastic economy from a linear to a circular model.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.