Electrocatalysis of the hydrogen oxidation reaction on a platinum-decorated nanoporous gold surface studied by scanning electrochemical microscopy

Kinetic information suggests the Pt-NPG surface significantly enhances the electrocatalytic activity toward the Hydrogen Oxidation Reaction (HOR) compared to the NPG (Nanoporous Gold) film and unveils the potentiality of this platform to be applied in the pursuit of sustainable technologies. [Displa...

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Veröffentlicht in:	Journal of electroanalytical chemistry (Lausanne, Switzerland) Switzerland), 2023-04, Vol.934, p.117294, Article 117294
Hauptverfasser:	Selva, Jéssica S.G., Sukeri, Anandhakumar, Bacil, Raphael P., Serrano, Silvia H.P., Bertotti, Mauro
Format:	Artikel
Sprache:	eng
Schlagworte:	Electrocatalysis Feedback mode Hydrogen oxidation Platinum-nanoporous gold SECM
Online-Zugang:	Volltext
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Zusammenfassung:	Kinetic information suggests the Pt-NPG surface significantly enhances the electrocatalytic activity toward the Hydrogen Oxidation Reaction (HOR) compared to the NPG (Nanoporous Gold) film and unveils the potentiality of this platform to be applied in the pursuit of sustainable technologies. [Display omitted] •A highsurface areaPt-NPG electrode wasfabricated via a facile one-step green electrochemicalapproach.•H2 oxidation electrocatalysis at the Pt-NPG surface was explored using the feedback mode of SECM.•The positive feedback current was observed at the Pt-NPG surface even using a small quantity of Pt (
ISSN:	1572-6657 1873-2569
DOI:	10.1016/j.jelechem.2023.117294