Top-down synthesis of S-doped graphene nanosheets by electrochemical exfoliation of graphite: Metal-free bifunctional catalysts for oxygen reduction and evolution reactions

In this study, top-down synthesis of sulfur-doped graphene nanosheets (SDGNs) by simple electrochemical exfoliation was explored as a means of producing metal-free electrocatalysts for oxygen reduction and oxygen evolution reactions (ORR and OER, respectively). In a typical procedure, graphite foils...

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Veröffentlicht in:	Electrochimica acta 2019-08, Vol.313, p.1-9
Hauptverfasser:	Lee, Jinheui, Noh, Sunguk, Pham, Nhan Duy, Shim, Jun Ho
Format:	Artikel
Sprache:	eng
Schlagworte:	Catalysis Catalysts Electrocatalysts Electrochemical exfoliation Electrodes Exfoliation Foils Graphene Graphite Nanosheets Oxygen evolution reaction Oxygen evolution reactions Oxygen reduction reaction Photoelectrons Platinum Raman spectroscopy Reduction S-doped graphene Sodium thiosulfate Spectrum analysis Sulfur Sulfuric acid Thiosulfates Top-down synthesis Transmission electron microscopy X-ray diffraction
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