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<p>Plastic waste faces a serious environmental challenge due to its persistent nature and resource inefficiency in traditional disposal methods. Photo-driven catalytic upcycling technology has emerged as a promising strategy for converting plastic waste into high-value-added products while utilizing renewable energy sources. This work comprehensively reviews recent advances in photo-driven upcycling of plastics, focusing on photocatalytic and photothermal catalytic plastics upcycling. Based on the distinct mechanisms of photo-oxidation degradation utilizing photo-generated carriers and photothermal depolymerization of plastics, advancements in photo-driven upcycling of diverse plastics are evaluated. Optimized reactor designs to enhance solar thermal conversion efficiency and achieve industrial feasibility for plastics utilization are also summarized and prospected. Guidelines for more accurate evaluation of materials and systems have been proposed to address the limitations and challenges in current plastic photo-driven upcycling research, aiming to provide a reference basis for the plastics recycling economy.</p>

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Photo-driven upcycling of plastics: pathways to value-added products

  • 期刊论文

  • 发表日期：

    2026年2月10日

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  • Yachuan Wang,
  • Qixuan Wu,
  • Lin Ma,
  • Runan Lei,
  • Jialin Wang,
  • Kai Du,
  • Dachao Yuan,
  • Yuan Tang,
  • Yaguang Li,
  • Jinhua Ye

摘要

Plastic waste faces a serious environmental challenge due to its persistent nature and resource inefficiency in traditional disposal methods. Photo-driven catalytic upcycling technology has emerged as a promising strategy for converting plastic waste into high-value-added products while utilizing renewable energy sources. This work comprehensively reviews recent advances in photo-driven upcycling of plastics, focusing on photocatalytic and photothermal catalytic plastics upcycling. Based on the distinct mechanisms of photo-oxidation degradation utilizing photo-generated carriers and photothermal depolymerization of plastics, advancements in photo-driven upcycling of diverse plastics are evaluated. Optimized reactor designs to enhance solar thermal conversion efficiency and achieve industrial feasibility for plastics utilization are also summarized and prospected. Guidelines for more accurate evaluation of materials and systems have been proposed to address the limitations and challenges in current plastic photo-driven upcycling research, aiming to provide a reference basis for the plastics recycling economy.