Figure 5: Methanol oxidation reaction (MOR) and formic acid oxidation reaction (FOR) on PtNWs. | Nature Communications

Figure 5: Methanol oxidation reaction (MOR) and formic acid oxidation reaction (FOR) on PtNWs.

From: An on-chip electrical transport spectroscopy approach for in situ monitoring electrochemical interfaces

Figure 5

(a,b) IG–VG (a) and normalized GSD–VG (b) characteristics of a typical PtNW device during electro-oxidation of methanol (red curve) and formic acid (blue curve), as compared with the baseline process in HClO4 (black curve). Insets in a illustrate the reaction scheme of the ‘dual-pathway’ mechanism for the electro-oxidation of methanol and formic acid on Pt catalyst. (c) IG–VG (dashed curve) and corresponding GSD–VG (solid curve) characteristics of PtNWs for CO striping (purple curve) and baseline measurements (black curve). (d) Differentiated ETS (DETS) curves of PtNWs during MOR (red), FOR (blue) and CO stripping (purple). Solid arrows in all figures indicate the potential sweeping direction.

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