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A novel hierarchically-porous diamondized polyacrylonitrile sponge-like electrodes for acetaminophen electrochemical detection

Abstrakt

A novel composite electrode material consisting of tangled fibrous polyacrylonitrile-based hierarchically-struc- tured nanocomposites has been produced by wet-spinning, carbonized and decorated with a carbon nano- architecture by microwave plasma-enhanced chemical vapor deposition and investigated as a metal-free electrode for the enhanced electrochemical detection of acetaminophen. Surprisingly, the hierarchical fiber ar- chitecture is the result of the synergistic action between surface etching, by the H2 plasma, and nanostructure formation, by the C- and CH- radicals, which significantly affect the porosity and electrochemical performance. Moreover, by simultaneously conducting fiber carbonization and surface functionalization, it is possible to dramatically reduce the manufacturing time and to confer an 18-fold increase of the acetaminophen detection sensitivity, due to the sp2-C defect-rich overgrown nanostructure, which represents a preferable site for the drug adsorption, as supported by the molecular dynamics simulation results. Because of the excellent performance, and the simple and scalable production method, the prepared composite is a promising candidate as a metal-free electrochemical sensor

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Accepted albo Published Version
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.electacta.2022.141083
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Creative Commons: CC-BY-NC-ND otwiera się w nowej karcie

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
ELECTROCHIMICA ACTA nr 430,
ISSN: 0013-4686
Język:
angielski
Rok wydania:
2022
Opis bibliograficzny:
Pierpaoli M., Giosuè C., Czerwińska N., Lewkowicz A., Ruello M. L., Bogdanowicz R., Dec B., Jakóbczyk P.: A novel hierarchically-porous diamondized polyacrylonitrile sponge-like electrodes for acetaminophen electrochemical detection// ELECTROCHIMICA ACTA -Vol. 430, (2022), s.141083-
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.electacta.2022.141083
Źródła finansowania:
  • Ulam program, Agreement No. PPN/ULM/2019/1/00061/DEC/1
  • IDUB Argentum Triggering Research Grants (DEC-32/2020/IDUB/I.3.3
Weryfikacja:
Politechnika Gdańska

wyświetlono 206 razy

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