Localized electrochemistry for the investigation and the modification of 2D materials

Kevin Jaouen 1 Olivier Henrotte 1 Stéphane Campidelli 1 Bruno Jousselme 1 Vincent Derycke 1 Renaud Cornut 1, *
* Corresponding author
1 LICSEN - Laboratoire Innovation en Chimie des Surfaces et NanoSciences
NIMBE UMR 3685 - Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Energie (ex SIS2M)
Abstract : In this review, we present the state-of-the-art interplay between two emerging fields, namely localized electrochemistry and 2D materials. Electrochemistry involves oxidations and reductions taking place at an electrode immersed in a solution. When the substrate is composed of 2D materials or layered materials, electrochemistry can be used to investigate or modify these layers. It is thus an essential link between 2D materials and their applications, in particular those related to sustainable energy conversion and storage. In addition, the properties of 2D materials often differ along their edges, at defect sites or upon folding and stacking. Most interesting properties (such as catalytic activity, conductivity, and chemical reactivity) drastically depend on such inhomogeneity or imperfections, which can be purposely induced (by functionalization or nanostructuration) or not (intrinsic defects resulting from the material synthesis or consequences of the material handling and deposition processes). These key aspects are suitably investigated using local electrochemical strategies, which allow both the analysis and the local modification of 2D materials. This article reviews the most significant results of this rapidly growing field.
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Kevin Jaouen, Olivier Henrotte, Stéphane Campidelli, Bruno Jousselme, Vincent Derycke, et al.. Localized electrochemistry for the investigation and the modification of 2D materials. Applied Materials Today, Elsevier, 2017, 8, pp.116 - 124. ⟨10.1016/j.apmt.2017.05.001⟩. ⟨cea-01546754⟩

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