Fabricating high-purity graphite disk electrodes as a cost-effective alternative in fundamental electrochemistry research.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
21 Feb 2024
21 Feb 2024
Historique:
received:
26
10
2023
accepted:
15
02
2024
medline:
22
2
2024
pubmed:
22
2
2024
entrez:
21
2
2024
Statut:
epublish
Résumé
Graphite electrodes offer remarkable electrochemical properties, emerging as a viable alternative to glassy carbon (GCE) and other carbon-based electrodes for fundamental electrochemistry research. We report the fabrication and characterization of high-purity graphite disk electrodes (GDEs), made from cost-effective materials and a solvent-free methodology employing readily available laboratory equipment. Analysis of their physical properties via SEM, EDX and XPS reveals no metallic interferences and a notably high porosity, emphasizing their potential. The electrochemical performances of GDEs were found to be comparable to those of GCE. Immobilization of peptides and enzymes, both via covalent coupling and surface adsorption, was used to explore potential applications of GDEs in bioelectrochemistry. Enzyme activity could be addressed both via direct electron transfer and mediated electron transfer mechanism. These results highlight the interesting properties of our GDEs and make them a low-cost alternative to other carbon-based electrodes, with potential for future real-world applications.
Identifiants
pubmed: 38383697
doi: 10.1038/s41598-024-54654-0
pii: 10.1038/s41598-024-54654-0
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
4258Subventions
Organisme : Energimyndigheten
ID : 50529-1
Organisme : Stiftelsen Åforsk
ID : 21-384
Organisme : Stiftelsen Åforsk
ID : 22-452
Informations de copyright
© 2024. The Author(s).
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