Intrinsically microporous polymer (PIM-1) enhanced degradation of heptadecafluoro-1-nonanol at graphitic carbon nitride (g-C3N4)

Fernanda C. O. L. Martins; Wanessa R. Melchert; Akalya Karunakaran; Chris R. Bowen; Nicholas Garrod; Philip J. Fletcher; Mariolino Carta; Dominic Taylor; Neil B. McKeown; Frank Marken

doi:10.1039/D5RA07284K

Intrinsically microporous polymer (PIM-1) enhanced degradation of heptadecafluoro-1-nonanol at graphitic carbon nitride (g-C₃N₄)

Fernanda C. O. L. Martins,^ab Wanessa R. Melchert,

^c Akalya Karunakaran,^ad Chris R. Bowen,

^d Nicholas Garrod,^a Philip J. Fletcher,^e Mariolino Carta,

^f Dominic Taylor,^g Neil B. McKeown

^g and Frank Marken

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, University of Bath, Claverton Down, Bath, UK
E-mail: f.marken@bath.ac.uk

^b Center for Nuclear Energy in Agriculture, University of São Paulo, P. O. Box 96, Piracicaba, SP 13400-970, Brazil

^c College of Agriculture Luiz de Queiroz, University of São Paulo, P. O. Box 9, Piracicaba, SP 13418-970, Brazil

^d Department of Mechanical Engineering, University of Bath, Bath, UK

^e University of Bath, Imaging Facility, Bath BA2 7AY, UK

^f Department of Chemistry, Swansea University, College of Science, Grove Building, Singleton Park, Swansea SA2 8PP, UK

^g EaStCHEM, School of Chemistry, University of Edinburgh, Joseph Black Building, David Brewster Road, Edinburgh, Scotland EH9 3JF, UK

Abstract

The photochemical transformation of polyfluorinated alkyl substances (PFAS) leads to structural unzipping to give rise to fluoride and further degradation products depending on (i) the type of photocatalyst as well as on (ii) microporous coatings or reaction environments. Here, a substantial increase in photocatalyst performance is observed by coating graphitic carbon nitride (g-C₃N₄) with an intrinsically microporous polymer (PIM-1) to enhance interaction with heptadecafluoro-1-nonanol (as a PFAS model).

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Intrinsically microporous polymer (PIM-1) enhanced degradation of heptadecafluoro-1-nonanol at graphitic carbon nitride (g-C₃N₄)

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Intrinsically microporous polymer (PIM-1) enhanced degradation of heptadecafluoro-1-nonanol at graphitic carbon nitride (g-C₃N₄)

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