articleAdvanced MaterialsJan 5, 2025Closed access

Transforming Plastics to Single Atom Catalysts for Peroxymonosulfate Activation: Axial Chloride Coordination Intensified Electron Transfer Pathway

SRShiying RenYWYantao WangLSLei ShiXXXin XuSZShuang Zhong

The University of Adelaide · Nanjing Forestry University · +3 more institutions

PubMed
Indexed incrossrefpubmed

Abstract

Abstract Transforming plastics into single‐atom catalysts is a promising strategy for upcycling waste plastics into value‐added functional materials. Herein, a graphene‐based single‐atom catalyst with atomically dispersed FeN 4 Cl sites (Fe─N/Cl─C) is produced from high‐density polyethylene wastes via one‐pot catalytic pyrolysis. The Fe─N/Cl─C catalyst exhibited much higher turnover frequency and surface area normalized activity ( K ac ) compared with the Fe─N─C catalyst without axial Cl modulation. Both experiments and density functional theory (DFT) computations demonstrated that the axial incorporation of chloride fine‐tuned the coordination environment of FeN 4 sites and enhanced peroxymonosulfate (PMS)…

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15

Topics & keywords

Topics
Keywords
  • Catalysis
  • Materials science
  • Density functional theory
  • Graphene
  • Selectivity
  • Electron transfer
  • Chloride
  • Vinyl chloride
UN Sustainable Development Goals
  • Clean water and sanitation
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