Hierarchical Porous Recycled PET Nanofibers for High-Efficiency Aerosols and Virus Capturing

Jun Song, Qi Zhao, Chen Meng, Jinmin Meng, Zhongda Chen, Jiashen Li (Corresponding)

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Plastic crisis, especially for poly(ethylene terephthalate) (PET) bottles, has been one of the greatest challenges for the earth and human beings. Processing recycled PET (rPET) into functional materials has the dual significance of both sustainable development and economy. Providing more possibilities for the engineered application of rPET, porous PET fibers can further enhance the high specific surface area of electrospun membranes. Here, we use a two-step strategy of electrospinning and postprocessing to successfully control the surface morphology of rPET fibers. Through a series of optical and thermal characterizations, the porous morphology formation mechanism and crystallinity induced by solvents of rPET fibers were discussed. Then, this work further investigated both PM2.5 air pollutants and protein filtration performance of rPET fibrous membrane. The high capture capability of rPET membrane demonstrated its potential application as an integrated high-efficiency aerosol filtering solution.
Original languageEnglish
Pages (from-to)49380-49389
Number of pages10
JournalACS Applied Materials and Interfaces
Issue number41
Early online date6 Oct 2021
Publication statusPublished - 20 Oct 2021


  • air filtration
  • electrospinning
  • poly(ethylene terephthalate) (PET)
  • porous fiber
  • waste bottle


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