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Photocatalytic Upcycling of Different Types of Plastic Wastes: A Mini Review
Summary
This mini-review covers recent advances in photocatalytic upcycling of diverse plastic types—including polyolefins, polyesters, and other common polymers—using light-driven chemical reactions that convert plastic waste into value-added chemicals or fuels. The authors summarize the fundamental principles of photocatalytic plastic deconstruction and identify key challenges in achieving scalable, efficient, and selective plastic conversion processes.
With the escalating demand and utilization of plastics, considerable attention has been given to controlling plastic pollution. Among these methodologies, photocatalytic upcycling of plastic has emerged as a promising method for plastic management due to its energy-saving and eco-friendly properties. In the past several years, great efforts have been devoted to the photocatalytic conversion of a variety of commercial plastic types. These encouraging endeavors foreshadow the continued progression and application in this field. In this review, recent advancements in the photocatalytic upcycling of plastics are reviewed. The fundamentals and principles of photocatalytic deconstruction of plastics are first introduced. Then, we summarize the works on the reforming of different types of plastic, including polyolefins, polyesters, and other types. Finally, some challenges and possible solutions are provided for the development of photocatalytic upcycling of plastics.